WTU Herbarium Specimen Label Data Generated from the WTU Herbarium Database September 26, 2021 at 7:11 am http://biology.burke.washington.edu/herbarium/collections/search.php

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Label Query: Genus = "Betula" Betulaceae Betulaceae Betula ×utahensis Britton Betula middendorffi Trautv. & Mey. U.S.A., WASHINGTON, WHATCOM COUNTY: RUSSIAN FEDERATION, SAKHALIN REGION: Ross Lake National Recreation Area: Mountain Powerplant Overlook Sakhalin Island, northern part; circa 60 kilometers north of Nogliki off of State Route 20. and 4 kilometers west of Val, on shore of Lake Rybnoye. Elev. 984-1640 ft. Elev. 49 ft. 48° 42' 58.69646" N, 121° 4' 32.46619" W; UTM Zone 10, 52° 21' 16.98" N, 143° 29.52" E 641548E, 5397487N; Source: Calc. from UTM, UTM from field Mix of open boreal Larix forest and extensive sphagnum bogs, with notes. old non-forested burns on drier sandy uplands. Shrub to 2 meters tall South side of highway 20 above milepost 133; dried moss-encrusted in burn. Phenology: Fruits. Origin: Native. ledges overhanging highway, talus slope, and rocky outcrop with Douglas fir and Acer circinatum. Growing on talus slope near road; Ben Legler 1138 4 Aug 2003 about 20 feet tall; multiple trunks; uncommon. Elevation estimated from map. Phenology: Flowers. Origin: Native. WTU-358299 Robert Goff 02-20 16 Jun 2002 Betulaceae WTU-360266 Betula glandulosa Michx. Betulaceae U.S.A., OREGON, WALLOWA COUNTY: Betula platyphylla Sukaczev Wallowa-Whitman National Forest. Hurricane Creek Canyon, along trail. RUSSIAN FEDERATION, SAKHALIN REGION: Elev. 5441 ft. Sakhalin Island, central part; along the upper Tym River 18 km due 45° 17.583' N, 117° 18.495' W east of Yasnoye and 6 km SW of summit of Mt. Khodovaya. Open meadow bordered by mixed conifer forest with openings. Also Elev. 754 ft. forested with openings (with Equisetum arvense). In fruit; 50° 36' 53.94" N, 142° 55' 16.2" E scrup/shrub wetland. Phenology: Flowers. Origin: Native. Mixed forest of Larix, Abies, Betula, Alnus, and Populus; understory of Rosa, Cornus canadensis, grasses. Tree on edge of road, ca 15 Richard G. Olmstead 02-85 21 Jul 2002 meters tall. Phenology: Fruits. Origin: Native. with Peter Zika Ben Legler 923 27 Jul 2003 WTU-361163 Herbarium: WTU Betulaceae Betulaceae Betula glandulosa Michx. Betula lanata (Regel) V.Vassil. U.S.A., WASHINGTON, OKANOGAN COUNTY: Okanogan National Forest. Beaver Meadows area. RUSSIAN FEDERATION, SAKHALIN REGION: Elev. 5725 ft. Sakhalin Island, on the Schmidta Peninsula at northern end of 48° 33.14' N, 119° 58.558' W island, slopes of Peak 604, 4 kilometers southwest of Tri Brata Beaver Meadow - open, wet meadow, Pinus contorta around edges; Mountain. Trollius laxus, Carex spp., Veronica wormskjoldii, Luzula sp., Salix Elev. 1968 ft. sp. Shrub to 1 m.; margins of meadow, a few smaller plants 54° 3' 40.68" N, 143° 43' 26.64" E scattered in meadow. Phenology: Flowers. Origin: Native. Windswept slopes dominated by Pinus pumila thickets, Vaccinium vitis-idaea, Empetrum, Rhododendron, mosses, and lichens; with Don Knoke 393 27 Jul 2003 scattered small rock outcrops. Gnarled trees to 10 meters tall; bark with Richard G. Olmstead, Valerie Soza, Sheila Olmstead, Katie white. Phenology: Fruits. Origin: Native. Mitchell Ben Legler 1226 12 Aug 2003 WTU-362325 Herbarium: WTU Betulaceae Betulaceae Betula glandulosa Michx. Betula nana L. ssp. exilis (Sukaczev) Hultén U.S.A., WASHINGTON, KLICKITAT COUNTY: RUSSIAN FEDERATION, SAKHALIN REGION: Falcon Valley. Sakhalin Island, northern part; circa 60 kilometers north of Nogliki 45.977122°, -121.306515°; WGS 84, uncertainty: 8021 m., and 4 kilometers west of Val, on shore of Lake Rybnoye. Source: Digital Map, Georef'd by Sara Legler Elev. 49 ft. Phenology: Flowers & Fruits. Origin: Native. 52° 21' 16.98" N, 143° 29.52" E Mix of open boreal Larix forest and extensive sphagnum bogs, with Wilhelm N. Suksdorf 10186 18 Sep 1920 old non-forested burns on drier sandy uplands. Small shrub in sphagnum bog. Phenology: Fruits. Origin: Native. WTU-268981 Ben Legler 1127 4 Aug 2003 Herbarium: WTU Betulaceae Betulaceae Betula pumila L. Betula pumila L. U.S.A., WASHINGTON, STEVENS COUNTY: U.S.A., WASHINGTON, KING COUNTY: Border of Pend Oreille Lakes. Sand Point, Lake Washington. 48.6306°, -117.53388°; WGS 84, uncertainty: 3000 m., Source: 47.68056°, -122.25028°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Wet sphagnum. Phenology: Fertile. Origin: Native. Bog. Phenology: Vegetative. Origin: Native. Harold St. John 6473 26 Jun 1924 J. P. Robertson s.n. 3 Jun 1930 WTU-112976 WTU-26620

Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., WASHINGTON, YAKIMA COUNTY: U.S.A., WASHINGTON, PIERCE COUNTY: Little Klickitat River bank. East end of McKay Marsh, Fort Lewis. Elev. 5000 ft. Elev. 213 ft. 46.044714°, -121.237172°; WGS 84, uncertainty: 10000 m., 529400E, 5216500N Source: GeoLocate, Georef'd by WTU Staff Typha latifolia dominated bog. Substrate: silt below water. Phenology: Fertile. Origin: Native. Associated species: Typha latifolia, Oenanthe sarmentosa, Spiraea douglasii, Pinus contorta, Solanum dulcamera. Plants locally J. B. Flett s.n. 20 Jun 1899 abundant; small shrubs (1-3 m) scattered over east end of marsh. Phenology: Fertile. Origin: Native. WTU-43143 David Thysell 723 11 May 1994 Betulaceae WTU-330479 Betula glandulosa Michx. Betulaceae U.S.A., WASHINGTON, FERRY COUNTY: Just E of Wauconda, at Toroda Creek turnoff of Hwy 20. Betula pumila L. 48.942723°, -118.764653°; WGS 84, uncertainty: 500 m., Source: GeoLocate, Georef'd by WTU Staff U.S.A., WASHINGTON, THURSTON COUNTY: Wet meadow. Phenology: Fruits. Origin: Native. South end of Black Lake, about 6 miles southeast of Olympia. 46.976608°, -122.809322°; WGS 84, uncertainty: 1000 m., A. R. Kruckeberg 6673 19 Jul 1984 Source: GeoLocate, Georef'd by WTU Staff Bog; Humid Transition Zone. Low shrub, about 1 meter tall. WTU-316599 Phenology: Vegetative. Origin: Native. Fred G. Meyer 967 4 Jul 1937 Betulaceae WTU-16963 Betula glandulosa Michx. U.S.A., WASHINGTON, OKANOGAN COUNTY: Betulaceae Horseshoe Pass, 0.2 miles east in large wetland in bottom of valley. Elev. 7200 ft. Betula occidentalis Hook. T40N R23E S10 NESE; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff U.S.A., WASHINGTON, CHELAN COUNTY: Aspect 0 deg. Slope 0 deg. Associates species: Eriophorum Colockum Creek about 1/2 mile from mouth. polystachion, Carex paupercula, Betula glandulosa. Phenology: 47.299574°, -120.08966°; WGS84, uncertainty: 10000 m., Source: Vegetative. Origin: Native. GeoLocate, Georef'd by WTU Staff In a narrow canyon. Phenology: Flowers. Origin: Native. George Wooten GW01469 27 Jun 1992 George H. Ward 214 9 Apr 1946 WTU-333006 WTU-139068 Betulaceae Betulaceae Betula glandulosa Michx. Betula occidentalis Hook. U.S.A., WASHINGTON, PEND OREILLE COUNTY: Bunchgrass Meadows. U.S.A., WASHINGTON, FERRY COUNTY: Elev. 5000 ft. Ravine along Columbia River 12 miles below Northport. T37N R44E S25; NAD 27, uncertainty: 805 m., Source: TRS2LL, 48.816571°, -117.946446°; WGS 84, uncertainty: 5000 m., Georef'd by Ben Legler Source: Digital Map, Georef'd by Joseph Stormer, Invalid Boggy area, spruce/fir. Phenology: Fertile. Origin: Native. coordinates (located outside county bounds). Wooded. Above 1290 ft. level. In clumps up to 20 meters high. Earle F. Layser 1103 Aug 1969 Phenology: Flowers. Origin: Native. WTU-242351 H. T. Rogers 330 25 Apr 1940 WTU-291676 Betulaceae Betulaceae Betula occidentalis Hook. Betula occidentalis Hook. U.S.A., WASHINGTON, OKANOGAN COUNTY: U.S.A., WASHINGTON, DOUGLAS COUNTY: Along Mosquito Creek. Pine Canyon. 48.839826°, -119.411527°; WGS 84, uncertainty: 10000 m., 47.663256°, -120.126182°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff Source: GeoLocate, Georef'd by WTU Staff Phenology: Fertile. Origin: Native. Along creek. Phenology: Fertile. Origin: Native. W. W. Eggleston 13029 14 Jul 1916 George Neville Jones 5669 24 Jul 1934 WTU-322209 WTU-29154

Betulaceae Betulaceae Betula occidentalis Hook. Betula ×utahensis Britton U.S.A., WASHINGTON, SPOKANE COUNTY: U.S.A., WASHINGTON, GRANT COUNTY: At a lake, Spangle. Along Deep Creek, Dry Falls Park, Grand Coulee. 47.4275°, -117.37917°; WGS 84, uncertainty: 1000 m., Source: 47.60472°, -119.34639°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Pollen sample collected 20 July, 1978. Phenology: Fertile. Origin: Phenology: Fertile. Origin: Native. Native. Xerpha M. Gaines 366 10 May 1950 Wilhelm N. Suksdorf 8529 26 Apr 1916 with T. H. Scheffer WTU-267106 WTU-180727

Betulaceae Betulaceae Betula occidentalis Hook. Betula ×utahensis Britton U.S.A., WASHINGTON, SNOHOMISH COUNTY: U.S.A., WASHINGTON, OKANOGAN COUNTY: Marysville. Between Conconully and Loomis. 48.05194°, -122.17583°; WGS 84, uncertainty: 3570 m., Source: 48.708333°, -119.677778°; NAD 27, uncertainty: 10000 m., GeoLocate, Georef'd by Maria Yousoufian Source: Georeferenced, Georef'd by WTU Staff Woods. Phenology: Flowers. Origin: Native. In open woods. Phenology: Fertile. Origin: Native. J. M. Grant s.n. May 1932 J. William Thompson 7071 28 Jun 1931 WTU-42430 WTU-17075JWT

Betulaceae Betulaceae Betula occidentalis Hook. Betula ×utahensis Britton U.S.A., WASHINGTON, SPOKANE COUNTY: U.S.A., WASHINGTON, SPOKANE COUNTY: Silver Lake, near town of Medical Lake. Along tributary to the Little Spokane River, near Dartford, 12 miles N Elev. 2360 ft. of Spokane. 47° 34' 15" N, 117° 39' 30" W; T24N R41E S17 47.830608°, -117.378073°; WGS 84, uncertainty: 1000 m., Northwest end os Silver Lake, edge of parking area for fishing near Source: GeoLocate, Georef'd by WTU Staff Freeman Drive. Phenology: Fertile. Origin: Native. Along stream. Phenology: Fertile. Origin: Native. Sarah Gage G&R 565 14 Jul 1992 Sister Mary Milburge 1243 30 Jul 1936 with Sharon Rodman WTU-9455 WTU-344426 Betulaceae Betulaceae Betula ×utahensis Britton Betula occidentalis Hook. U.S.A., WASHINGTON, WHITMAN COUNTY: U.S.A., WASHINGTON, YAKIMA COUNTY: Snake River Canyon near Almota. Cowiche Canyon railroad bed and adjacent bluffs. 46.70306°, -117.46833°; WGS 84, uncertainty: 5000 m., Source: Elev. 1400 ft. GeoLocate, Georef'd by WTU Staff 46° 37' N, 120° 38' W; T13N R18E S18 Small tree; along canyon edge. Phenology: Fertile. Origin: Native. Growing alongside old railroad bed. Phenology: Fertile. Origin: Native. W. C. Muenscher 15340 18 May 1939 Sarah Gage G&R 127 24 May 1992 WTU-78347 with Sharon Rodman WTU-342848 Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, FERRY COUNTY: U.S.A., WASHINGTON, WHATCOM COUNTY: Ravine along Columbia River 12 miles below Northport. Ross Lake Area, Hozomeen Ranger Station, ca 3.0 mi SSE. 48.816571°, -117.946446°; WGS 84, uncertainty: 5000 m., Elev. 2825 ft. Source: Digital Map, Georef'd by Joseph Stormer, Invalid T40N R14E S18; WGS 84, uncertainty: 10000 m., Source: coordinates (located outside county bounds). GeoLocate, Georef'd by WTU Staff Wooded. Above 1290 ft. level. Phenology: Fertile. Origin: Native. Bordering rather boggy area of lake (forest mostly THPL, PSME). Abundant small tree. Tree ca 6 m tall, DBH 5 cm, bark coppery, H. T. Rogers 330 25 Apr 1940 prominent white lenticels, leaves sticky. Phenology: Vegetative. Origin: Native. WTU-84580 Ralph Naas 5206 20 Aug 1968 with Dorothy Naas Betulaceae WTU-317035 Betula papyrifera Marshall U.S.A., WASHINGTON, KING COUNTY: Betulaceae North 100th St. between Corliss and Meridian Ave., Seattle. 47.66972°, -122.32917°; WGS 84, uncertainty: 10000 m., Source: Betula ×utahensis Britton GeoLocate, Georef'd by WTU Staff In a swamp. A shrub about 2.5 m high. Phenology: Fertile. Origin: U.S.A., WASHINGTON, FERRY COUNTY: Native. 13 miles west of Gerome (on "Spike" Anderson ranch). Above 1290 foot level. Walter J. Eyerdam 6416 20 Apr 1941 48.04003°, -118.54372°; WGS 84, uncertainty: 1500 m., Source: GeoLocate, Georef'd by WTU Staff WTU-122881 Along creek. Phenology: Fertile. Origin: Native. H. T. Rogers 365 29 Apr 1940 Betulaceae WTU-84577 Betula papyrifera Marshall U.S.A., WASHINGTON, PEND OREILLE COUNTY: Betulaceae Near highway about 14 miles north of Metaline Falls. Elev. 2600 ft. Betula ×utahensis Britton 48.99308°, -117.30244°; WGS 84, uncertainty: 2000 m., Source: GeoLocate, Georef'd by WTU Staff U.S.A., WASHINGTON, ASOTIN COUNTY: Open woods. Phenology: Fertile. Origin: Native. South Fork of Asotin Creek, 18 miles SW of Asotin. T9N R44E S22; WGS 84, uncertainty: 1000 m., Source: C. L. Hitchcock 2932 15 May 1936 GeoLocate, Georef'd by WTU Staff Canyon bottom. Clustered, suberect trees 10-15 m tall, more or less WTU-37725 expoliating. Phenology: Fertile. Origin: Native. Arthur Cronquist 6814 24 Sep 1950 Betulaceae with Sherman Preece Betula papyrifera Marshall WTU-144120 U.S.A., WASHINGTON, STEVENS COUNTY: Cedonia. Betulaceae 48.15389°, -118.16806°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff Betula pendula Roth Woods. Leaves ovate to orbicular, not strongly reticulate, bark grayish brown, not as papery as papyrifera in Peck. Phenology: U.S.A., WASHINGTON, KING COUNTY: Fertile. Origin: Native. Tub Lake, Burien. Elev. 328 ft. Mae E. Dennis s.n. 29 Jul 1946 T23N R4E S16 SW 1/4; NAD 27, uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler WTU-110816 Openings in bog mat, close to shore. Common weed, branches droop. With Ledum, Spiraea, Kalmia. Phenology: Fertile. Origin: Introduced. Betulaceae P. F. Zika 14593 14 Oct 1999 Betula papyrifera Marshall WTU-342043 U.S.A., WASHINGTON, SNOHOMISH COUNTY: 10 miles N of Everett. 48.123907°, -122.20083°; WGS 84, uncertainty: 1000 m., Source: GeoLocate, Georef'd by WTU Staff In a swamp. Phenology: Fertile. Origin: Native. Carl S. English 4350 25 Mar 1933 with Jones WTU-22798 Betulaceae Betulaceae Betula pendula Roth Betula occidentalis Hook. var. piperi Britt. U.S.A., WASHINGTON, SAN JUAN COUNTY: U.S.A., WASHINGTON, WHITMAN COUNTY: Central San Juan Island, along road connecting Bailer Hill and Almota. Beaverton Valley roads. 46.70306°, -117.46833°; WGS 84, 48.54667°, -123.0325°; WGS 84, uncertainty: 10000 m., Source: uncertainty: 10000 m., Source: GeoLocate, GeoLocate, Georef'd by WTU Staff Georef'd by WTU Staff Moist roadside. With Festuca. A single sapling, 10' or so tall; also Tree, 20 to 40 feet high. Remounted 2-2-31 present in Friday Harbor. Phenology: Fertile. Origin: Introduced. MRF. Phenology: Fruits. Origin: Native. Type Specimen: Isotype. Scott R. Atkinson 399 8 May 1992 C. V. Piper 1642 WTU-325052 27 May 1893 Betulaceae WTU-5868, WTU-V-000143 Betula pendula Roth U.S.A., WASHINGTON, SNOHOMISH COUNTY: Betulaceae 7 road miles N of Rt 2 on Sultan Basin Road, 1.5 miles of Kellogg Lake. Betula occidentalis Hook. var. piperi Britt. Elev. 1640 ft. T28N R8E S10 SE 1/4; NAD 27, uncertainty: 805 m., Source: U.S.A., WASHINGTON, WHITMAN COUNTY: TRS2LL, Georef'd by Ben Legler Nine miles southwest of Pullman. Along gravel fill of logging road, edge of clearcut, full sun. With 46.73139°, -117.17861°; WGS 84, Rubus spectabilis, R. discolor, R. laciniatus, Pteridium, Salix uncertainty: 10000 m., Source: GeoLocate, sitchensis, Anaphalis, Tsuga heterophylla. Phenology: Fertile. Georef'd by WTU Staff Origin: Introduced. Phenology: Fruits. Origin: Native. Type Specimen: Isotype. P. F. Zika 13673 25 Oct 1998 C. V. Piper 3527 WTU-337374 9 Jul 1901 Betulaceae WTU-20539, WTU-V-000144 Betula pendula Roth U.S.A., WASHINGTON, WHATCOM COUNTY: Junction of I-5 S and bridge for Loomis Trail Road. Betulaceae Elev. 164 ft. T40N R1E S16 SE 1/4; NAD 27, uncertainty: 805 m., Source: Betula ×utahensis Britton TRS2LL, Georef'd by Ben Legler Roadside. Common roadside weed, with Cornus, Rubus laciniatus, U.S.A., WASHINGTON, WHITMAN COUNTY: Pseudotsuga. Phenology: Fertile. Origin: Introduced. Nine miles southwest of Pullman. 46.73139°, -117.17861°; WGS 84, P. F. Zika 14411 23 Sep 1999 uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff WTU-340116 Phenology: Fruits. Origin: Native. Type Specimen: Isotype. Betulaceae C. V. Piper 3527 Betula pendula Roth 9 Jul 1901 U.S.A., WASHINGTON, SNOHOMISH COUNTY: WTU-12121JWT, WTU-V-000145 Jetty Island, mouth of Snohomish River, Puget Sound. Elev. 10 ft. T29N R5E S7; NAD 27, uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler Betulaceae Dry sand on dredge spoils, full sun with Cytissus scoparius. 10 m tree, white bark with black rough breaks at base. Phenology: Betula occidentalis Hook. Flowers & Fruits. Origin: Introduced. U.S.A., WASHINGTON, KITTITAS COUNTY: P. F. Zika 17880 18 Sep 2002 Along Hwy 821 (Yakima Canyon Road) ca. 1 mile north of mouth of with F. Weinmann Umptanum Creek. Elev. 1500 ft. WTU-352908 46° 52' N, 120° 28' 33" W; NAD 27 Open west-facing slopes above river. Tree ca. 7 meters tall along river. Phenology: Fruits. Origin: Native. Ben Legler 1600 22 May 2004 Herbarium: WTU Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., IDAHO, CUSTER COUNTY: CANADA, BRITISH COLUMBIA: Border of Stanley Lake, Challis National Forest. 12 miles north of Donald. Elev. 6500 ft. Sphagnum muskeg. Phenology: Fertile. 44.50472°, -114.23083°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff T. T. McCabe 6224 24 May 1938 Phenology: Fertile. WTU-75093 J. William Thompson 13991 28 Jul 1937 WTU-10578JWT Betulaceae Betula glandulosa Michx. Betulaceae U.S.A., MONTANA, LEWIS AND CLARK COUNTY: Betula glandulosa Michx. 1 mile east of Danaher Ranger Station; Flathead National Forest. 47.346157°, -113.025284°; WGS 84, uncertainty: 3200 m., U.S.A., MONTANA, LEWIS AND CLARK COUNTY: Source: Digital Map, Georef'd by Joseph Stormer Directly south of Gibson Lake, and ca [circa] 3 miles southwest of Along stream. Phenology: Fertile. Gibson Dam. Ca [circa] 25 miles northwest of Augusta. Lewis and Clark Nat. [National] For. [Forest]. C. L. Hitchcock 18709 22 Jul 1948 Along small stream on high limestone cliff. Plants 6-10 feet tall. Phenology: Fertile. WTU-126135 C. L. Hitchcock 18045 4 Jul 1948 Betulaceae WTU-124469 Betula glandulosa Michx. Betulaceae U.S.A., IDAHO, FREMONT COUNTY: Along the Buffalo River at Pond's Lodge, Targhee National Forest, Betula nana L. ssp. exilis (Sukaczev) Hultén Island Park. T13N R43E S27; WGS 84, uncertainty: 10000 m., Source: U.S.A., ALASKA COUNTY: GeoLocate, Georef'd by WTU Staff Cold Bay, Alaska Peninsula. About 1 miles from airstrip toward Riverbanks. [Left and middle branches: Betula glandulosa. Branch Mount Frosty. on right: Betula pumila. Filed under Betula glandulosa.] Phenology: On Empetrum hummocks. Abundant, creeping. Phenology: Fertile. Fertile. Maxcine Williams 2972 26 Jul 1971 William H. Baker 9905 25 Aug 1952 WTU-255338 WTU-155852A

Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. CANADA, BRITISH COLUMBIA: CANADA, BRITISH COLUMBIA: Carson Mountain, Marble Mountains. 6 miles north of Quesnel. Elev. 7000 ft. Bog. Phenology: Fertile. 50.964012°, -121.72395°; WGS 84, uncertainty: 1000 m., Source: Digital map, Georef'd by Maria Yousoufian James Hatter 54 3 Jun 1948 Young twigs. Phenology: Fertile. WTU-143035 J. William Thompson 320 30 Jun 1938 with Emily M. Thompson Betulaceae WTU-17178JWT Betula glandulosa Michx. var. glandulosa × Betula glandulosa Michx. var. hallii (Howell) Hitchc. Betulaceae U.S.A., OREGON, CLACKAMAS COUNTY: Betula glandulosa Michx. Clackamas Lake. 45.096119°, -121.742896°; WGS 84, uncertainty: 450 m., Source: U.S.A., ALASKA, BRISTOL BAY COUNTY: Digital Map, Georef'd by Joseph Stormer Bristol Bay; Kvichak River. Swampy border of lake. Phenology: Fertile. 58.927378°, -156.972699°; WGS 84, uncertainty: 17552 m., Source: Digital Map, Georef'd by Joseph Stormer Morton E. Peck 15835 23 Jul 1927 Tundra. Phenology: Cones. WTU-17137JWT George Neville Jones 9260 Aug 1936 WTU-12178JWT Betulaceae Betulaceae Betula pumila L. Betula glandulosa Michx. U.S.A., WASHINGTON, PEND OREILLE COUNTY: U.S.A., OREGON COUNTY: South end of Diamond Lake. Near Rock Creek bridge, west side of Upper Klamath Lake. 48.12889°, -117.19444°; WGS 84, uncertainty: 10000 m., Source: Stream bank. Phenology: Fertile. GeoLocate, Georef'd by WTU Staff In the remnants of a bog along the lake margin. Phenology: Fertile. Morton E. Peck 9468 13 Jul 1920 E. F. Layser 1747 Aug 1971 WTU-17136JWT WTU-266107 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., IDAHO, BLAINE COUNTY: 15 miles south of Hailey. U.S.A., WASHINGTON, OKANOGAN COUNTY: 43.304943°, -114.158891°; WGS 84, uncertainty: 1000 m., Wauconda, 7 miles west of summit on Tonasket-Republic Highway. Source: GeoLocate, Georef'd by WTU Staff Elev. 3500 ft. Open bog and field. Phenology: Fertile. 48.72583°, -119.0125°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff J. William Thompson 13481 26 Jul 1936 Swamps. Phenology: Fertile. WTU-4995JWT A. R. Kruckeberg 3281 2 Aug 1953 WTU-191978 Betulaceae Betula glandulosa Michx. Betulaceae U.S.A., ALASKA, BRISTOL BAY COUNTY: Betula pumila L. Bristol Bay; Kvichak River. 58.927378°, -156.972699°; WGS 84, uncertainty: 17552 m., U.S.A., WASHINGTON, KLICKITAT COUNTY: Source: Digital Map, Georef'd by Joseph Stormer Falcon Valley. Sand hills. Phenology: Cones. 45.977122°, -121.306515°; WGS 84, uncertainty: 8021 m., Source: Digital Map, Georef'd by Sara Legler George Neville Jones 9259 Aug 1936 Phenology: Fertile. WTU-37075 Wilhelm N. Suksdorf 10186 25 Apr 1919 WTU-268984 Betulaceae Betula glandulosa Michx. Betulaceae U.S.A., IDAHO, VALLEY COUNTY: Betula glandulosa Michx. Along Warm Lake Creek at headwaters, Warm Lake, 26 miles east of Cascade. U.S.A., IDAHO, BLAINE COUNTY: 44.638053°, -115.591658°; WGS 84, uncertainty: 1000 m., Brushy Banks, Altunas Lake, Stanley Basin, Sawtooth Range. Source: GeoLocate, Georef'd by WTU Staff Phenology: Fertile. Phenology: Fertile. William H. Baker 10679 25 Jul 1953 William H. Baker 11730 10 Jul 1954 WTU-398083 WTU-397896

Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., MONTANA, MISSOULA COUNTY: U.S.A., IDAHO, VALLEY COUNTY: One mile southeast of Lolo Pass, near the Idaho-Montana boundary. Upper Payette Lake, 17 miles north of McCall. Woodland at the ege of an alpine bog. Phenology: Fertile. 45.157295°, -116.09778°; WGS 84, uncertainty: 1000 m., Source: GeoLocate, Georef'd by WTU Staff Fred A. Barkley 1862 25 Sep 1937 Shoreline. Phenology: Fertile. WTU-41627 William H. Baker 10329 9 Jul 1953 WTU-297993 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., IDAHO, CUSTER COUNTY: U.S.A., IDAHO, BUTTE COUNTY: Along Redfish Lake Creek, near outlet, Stanley Basin, Sawtooth Along Bear Creek, 14 miles north of Leslie in Lost River Mountains. Mountains. Elev. 7300 ft. 44.169015°, -114.899128°; WGS 84, uncertainty: 10000 m., 43.891954°, -113.37056°; WGS 84, uncertainty: 5000 m., Source: Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Grassy banks. Phenology: Fertile. Swampy places. Shrubs about 3 feet tall, supposedly the above species, but young twigs very densely though minutely puberulent. William H. Baker 10544 21 Jul 1953 Phenology: Fertile. WTU-297998 C. L. Hitchcock 8821 12 Jun 1944 with C. V. Muhlick Betulaceae WTU-91003 Betula glandulosa Michx. Betulaceae U.S.A., IDAHO, BLAINE COUNTY: Along Wood River at Easley Forest Camp, Sawtooth National forest. Betula glandulosa Michx. Elev. 6500 ft. 43.780421°, -114.536923°; uncertainty: 1600 m. U.S.A., ALASKA, BRISTOL BAY COUNTY: Phenology: Fertile. Bristol Bay; Kvichak River. 58.927378°, -156.972699°; WGS 84, uncertainty: 17552 m., J. William Thompson 14150 7 Aug 1937 Source: Digital Map, Georef'd by Joseph Stormer Sand hills. Phenology: Cones. WTU-10522JWT George Neville Jones 9259 Aug 1936 Betulaceae WTU-12180JWT Betula glandulosa Michx. Betulaceae U.S.A., ALASKA COUNTY: Central Brooks Range, Arrigetch Creek. Betula pumila L. Willow shrub community with herbaceous understory. Phenology: Fertile. U.S.A., MONTANA, MADISON COUNTY: Toward northwest base of Gravelly Range. gustafson s.n. 1 Jul 1979 Elev. 7000 ft. Along stream. Shrubs 4 feet tall; twigs densely pubescent, otherwise WTU-282529 typical b. glandulosa. Phenology: Cones. Origin: Native. C. L. Hitchcock 12540 19 Jul 1945 Betulaceae with C. V. Muhlick Betula glandulosa Michx. WTU-98440 U.S.A., OREGON, LAKE COUNTY: Forest camp on Dairy Creek, 35 miles northwest of Lakeview. Betulaceae 42.467012°, -120.641011°; WGS 84, uncertainty: 1000 m., Source: Digital Map, Georef'd by Joseph Stormer Betula glandulosa Michx. Stream bank. Phenology: Fertile. CANADA, BRITISH COLUMBIA: Morton E. Peck 15455 4 Jul 1927 Six miles north of Takla Landing. Willow and waterbirch bog in spruce woods. Phenology: Fertile. WTU-17138JWT T. T. McCabe 7856 17 Jul 1940 Betulaceae WTU-87153 Betula sp. Betulaceae U.S.A., ALASKA, KODIAK ISLAND COUNTY: Port Vita, Raspberry Strait, Raspberry Island, Kodiak Group. Betula glandulosa Michx. var. rotundifolia Regel. 58.065079°, -153.074603°; WGS 84, uncertainty: 500 m., Source: Digital Map, Georef'd by Joseph Stormer U.S.A., OREGON COUNTY: Salix swamp. A small tree. Phenology: Cones. On the Imnaha, Wallowa Mountains. Elev. 7000 ft. W. J. Eyerdam 4071 15 Sep 1945 Dry stony soil. A shrub a meter high or less. Phenology: Cones. WTU-103172 Wm. C. Cusick 3396 1909 WTU-139135 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., IDAHO, VALLEY COUNTY: U.S.A., IDAHO, CUSTER COUNTY: 1 mile south of Landmark. Near Stanley Lake, Challis National Forest, Sawtooth Mountains. 44.641908°, -115.54417°; WGS 84, uncertainty: 1000 m., Source: Elev. 6500 ft. GeoLocate, Georef'd by WTU Staff 44.21139°, -114.945°; WGS 84, uncertainty: 5000 m., Source: Moist soil along stream. Plants 2 feet tall, twigs densely puberulent. GeoLocate, Georef'd by WTU Staff Phenology: Fertile. Border of lake. Phenology: Fertile. C. L. Hitchcock 14076 27 Jun 1946 J. William Thompson 13991 28 Jul 1937 with C. V. Muhlick WTU-38387 WTU-107562 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., IDAHO, CUSTER COUNTY: U.S.A., IDAHO, CARIBOU COUNTY: 10 miles northeast of Leslie, at Bear Creek campground. Along the Blackfoot River, Caribou National Forest, 1 mile south of Elev. 6600 ft. Trail Ranger Station. 43.984421°, -113.447053°; WGS 84, uncertainty: 1000 m., T7S R44E S18; NAD 27, uncertainty: 805 m., Source: TRS2LL, Source: GeoLocate, Georef'd by WTU Staff Georef'd by Ben Legler In damp areas. Plentiful. Phenology: Fertile. Riverbanks. Phenology: Fertile. H. B. Mulligan s.n. 18 Jul 1968 William H. Baker 9551 27 Jul 1952 with B. O. Mulligan WTU-297996 WTU-256535

Betulaceae Betulaceae Betula glandulosa Michx. Betula pumila L. U.S.A., MONTANA, MADISON COUNTY: CANADA, BRITISH COLUMBIA: Beaver Creek. Head of Dease Lake. 44.879797°, -112.0506°; uncertainty: 5000 m. Common both on low boggy ground and on the higher dry brulees; Phenology: Fertile. but have as yet seen no solid stands on muskegs. Phenology: Cones. C. L. Hitchcock 15127 30 Jul 1946 with C. V. Muhlick T. T. McCabe 8791 3 Aug 1941 WTU-105367 WTU-73145 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., IDAHO, CUSTER COUNTY: U.S.A., OREGON, WASCO COUNTY: West Fork with East Fork Pahsimeroi River. Mount Hood National Forest; Fifteen Mile Meadow. Elev. 8000 ft. Elev. 4500 ft. 44.157148°, -113.703752°; WGS 84, uncertainty: 10000 m., Phenology: Fertile. Source: GeoLocate, Georef'd by WTU Staff Boggy meadowland at junction. Young branches densely though G. N. Jones 4126 19 Jul 1933 minutely puberulent. Phenology: Fertile. WTU-28223 C. L. Hitchcock 11129 14 Aug 1944 with C. V. Muhlick Betulaceae WTU-90837 Betula glandulosa Michx. Betulaceae U.S.A., IDAHO, VALLEY COUNTY: Along the north fork of the Payette River, 12 miles north of McCall. Betula glandulosa Michx. 44.986438°, -115.20245°; WGS 84, uncertainty: 1000 m., Source: GeoLocate, Georef'd by WTU Staff CANADA, BRITISH COLUMBIA: Riverbanks. Thickets. Phenology: Fertile. Upper Hat Creek, Marble Mountains. Elev. 3000 ft. W. H. Baker 10323 9 Jul 1953 50.817329°, -121.577703°; uncertainty: 16000 m. Arid slopes. Phenology: Fertile. WTU-298006 J. William Thompson 522 18 Jul 1938 with Emily M. Thompson WTU-17783JWT Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. CANADA, BRITISH COLUMBIA: U.S.A., IDAHO, IDAHO COUNTY: Along Guichon Creek, 13 miles south of Savona. Packer Meadows, 1 mile east of Lolo Pass. Elev. 3500 ft. Elev. 5200 ft. 50° 32' N, 120° 52' W 46.63778°, -114.55222°; WGS 84, uncertainty: 10000 m., Source: Creek banks. Shrub about 2 meters tall. Phenology: Fertile. GeoLocate, Georef'd by WTU Staff In bog with Vaccinium sp. 4-5 feet tall. Phenology: Fertile. C. L. Hitchcock 7394 20 Jun 1941 with J. S. Martin Brian O. Mulligan s.n. 19 Jun 1980 WTU-68260 WTU-280808

Betulaceae Betulaceae Betula glandulosa Michx. Betula nana L. ssp. exilis (Sukaczev) Hultén probable hybrid U.S.A., MONTANA, GRANITE COUNTY: Along Skalkaho Pass Road 32 miles east of Hamilton. U.S.A., ALASKA, DILLINGHAM COUNTY: Plants 4 feet tall. Phenology: Fertile. Dillingham. 59.053227°, -158.49665°; WGS 84, uncertainty: 4500 m., Source: C. L. Hitchcock 23945 10 Jul 1965 Digital Map, Georef'd by Joseph Stormer Low ridge. Phenology: Fertile. WTU-223923 D. Martel 45 9 Jun 1935 Betulaceae WTU-101472 Betula glandulosa Michx. Betulaceae CANADA, BRITISH COLUMBIA: Mountains 15 miles southwest of Telegraph Creek. Betula glandulosa Michx. 57.746414°, -131.455077°; WGS 84, uncertainty: 15000 m., Source: GeoLocate, Georef'd by Joseph Stormer : Great abundance at all levels but at this latitude much commoner as Col. Breckenridge. a dryground scurb above timberline; not especially characteristic of Phenology: Fertile. lower muskegs or bogs; covers, with Salix, vast areas of lower alpine zone. 3-5 feets. Phenology: Cones. J. M. Grant s.n. 27 Aug 1896 T. T. McCabe 9021 15 Aug 1941 WTU-5796 WTU-73146 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., ALASKA COUNTY: Peters Lake, eastern Brooks Range. U.S.A., IDAHO, BLAINE COUNTY: Elev. 2900 ft. Along Wood River at Easley Forest Camp, Sawtooth National forest. Heath shrub community west of lake on gentle slope. Phenology: Elev. 6500 ft. Fertile. 43.780421°, -114.536923°; uncertainty: 1600 m. Phenology: Fertile. Karen Gustafson s.n. 19 Jun 1979 J. William Thompson 14150 7 Aug 1937 WTU-283373 WTU-38706 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., MONTANA COUNTY: Along Beavertail Creek. U.S.A., OHIO, DEFIANCE COUNTY: Flats. Phenology: Cones. 15 miles south of Little Cultus Lake. Elev. 4500 ft. J. E. Kirkwood 1077 26 Aug 1921 Head of small creek. Phenology: Fertile. WTU-13047JWT C. L. Hitchcock 4932 25 Jun 1939 with J. S. Martin WTU-53900 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. CANADA, BRITISH COLUMBIA: U.S.A., ALASKA COUNTY: Kicking Horse. Firth River at Alaska-Yukon boundary. 70 miles south of Gordon and Field, silt and gravel floot flats. Shrub 4 feet high. Phenology: Fertile. Arctic Ocean. Elev. 1700 ft. T. T. McCabe 6331 26 May 1938 68° 39' N, 141° W Shrub tundra north of tree line. Shrub height 2-3 feet; common WTU-75094 forming clumps. Phenology: Flowers. Elbert L. Little Jr. 18456 16 Jun 1961 Betulaceae WTU-252282 Betula glandulosa Michx. CANADA, BRITISH COLUMBIA: Betulaceae West end of Horsefly Lake about 4 1/2 miles northeast of Horsefly. Elev. 2800 ft. Betula glandulosa Michx. Common in marsh near edge of lake. Up to 10 inches high. Phenology: Fertile. CANADA, BRITISH COLUMBIA: Haines Road (kilometer 149), Blanhard River. J. A. Calder 17058 6 Jun 1956 Elev. 2919 ft. with J. A. Parmelee, R. L. Taylor 60° N, 136° 51' W In Picea glauca/ Salix glauca forest. Phenology: Cones. WTU-233904 G. W. Douglas 11232 12 Jul 1979 with M. J. Ratcliffe Betulaceae WTU-282015 Betula glandulosa Michx. U.S.A., OREGON, KLAMATH COUNTY: Betulaceae Between Crescent Lake and Bend-Eugene highway, Cascade Range. Betula glandulosa Michx. Elev. 4700 ft. Wet soil with Carex, Equisetum, Polygonum, Habenaria, Pedicularis, U.S.A., OREGON COUNTY: Baceinium and Salix; small sphagnum bog. Shrub to 2 meters tall, Black Butte, Jefferson and Deschutes Counties northwest of Sisters. twigs a little viscid; leaves shining above. Phenology: Cones. Elev. 3350 ft. At edge of marsh area with Pinus ponderosa and Pinus contorta; Lincoln Constance 3685 8 Jul 1960 southwest exposure. Dark barked shrub; 15 feet high. Phenology: Fertile. WTU-207523 J. Morris Johnson 310 28 May 1960 Betulaceae WTU-209219 Betula glandulosa Michx. U.S.A., MONTANA, MISSOULA COUNTY: Betulaceae Lolo Hot Springs. Phenology: Fertile. Betula glandulosa Michx. Fred A. Barkley 2402 22 May 1938 CANADA, BRITISH COLUMBIA: Summit Lake. WTU-51421 54.290548°, -122.684145°; WGS 84, uncertainty: 10000 m., Source: Digital Map, Georef'd by Joseph Stormer Open sphagnum muskeg. To four feet. Phenology: Cones. Betulaceae T. T. McCabe 8281 13 Aug 1940 Betula glandulosa Michx. WTU-78152 U.S.A., MONTANA, DEER LODGE COUNTY: Along creek draining Storm Lake, 4 miles north of lake. 46.127269°, -113.248098°; WGS 84, uncertainty: 3219 m., Betulaceae Source: Digital Map, Georef'd by Joseph Stormer Shrubs to 6 feet tall, branches densely puberulent. Phenology: Betula glandulosa Michx. Fertile. CANADA, BRITISH COLUMBIA: C. L. Hitchcock 14878 22 Jul 1946 Beaver Creek at Mile 207. with C. V. Muhlick Elev. 2400 ft. 57° 48' N, 122° 53' W WTU-107560 Common everywhere on flats by creek. Shrub to 6 inches. Phenology: Flowers & Fruits. J. A. Calder 24631 26 May 1960 with J. M. Gillett WTU-233903 Betulaceae Betulaceae Betula glandulosa Michx. Betula ×utahensis Britton U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: Lake Louise south end, 35 miles northwest of Glenallen. Mentasta Pass, Mentasta Mountain, Clenn Highway near mile 80. Elev. 2400 ft. Elev. 2400 ft. 62° 20' N, 146° 30' W Open forest of Picea mariana, Betula, Populus; boggy. Shrub 15-20 Upland forest of Picea glauca, P. mariana. Abundant; Shrub 3-4 feet feet high; DBH 2-3 inches; clump forming; bark reddish black, high. Phenology: Fertile. slightly peeling and papery. Phenology: Fertile. Elbert L. Little Jr. 18367 7 Jun 1961 Elbert L. Little Jr. 18255 28 May 1961 WTU-252177 WTU-250180

Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: Ridge near mile 33 on Elliot Highway, northwest of Fairbanks. 20 miles south of Delta Junction, mile 247 on Richardson Highway. Elev. 2000 ft. Shrubs of Betula and Alnus above timberline; gravelly soil; 65° 15' N, 148° W windswept. Low shrub forming mats; to 2 feet. Phenology: Fertile. Mats of Betula at timberline of Picea mariana on rocky ridge. Low shrub forming clumps 1 feet high above timberline. Phenology: Elbert L. Little Jr. 18301 2 Jun 1961 Fertile. WTU-252430 Elbert L. Little Jr. 18292 31 May 1961 WTU-252190 Betulaceae Betulaceae Betula nana L. ssp. exilis (Sukaczev) Hultén Betula glandulosa Michx. U.S.A., ALASKA COUNTY: Port Vista, Raspberry Strait, Raspberry Island, Kodiak group. U.S.A., ALASKA COUNTY: 58.073032°, -153.102293°; uncertainty: 15000 m., Georef'd by Lake Louise south end, 35 miles northwest of Glenallen. Joseph Stormer Elev. 2400 ft. Small tree in swamp. Phenology: Fertile. 62° 20' N, 146° 30' W Upland forest of Picea glauca, P. mariana. Phenology: Fertile. W. J. Eyerdam 4071 1945 Elbert L. Little Jr. 18368 7 Jun 1961 WTU-293715A WTU-249872 Betulaceae Betulaceae Betula ×utahensis Britton Betula glandulosa Michx. U.S.A., ALASKA COUNTY: 16 miles north of Tetlin Junction. U.S.A., ALASKA COUNTY: Wet boggy forest of Picea mariana on flat ridge. Shrub to 10 feet; 20 miles south of Delta Junction, mile 247 on Richardson Highway. bark reddish black, smooth, not peeling. Phenology: Fertile. Shrubs of Betula and Alnus abover timberline; gravelly and windswept. Shrub 3 feet high. Phenology: Fertile. Elbert L. Little Jr. 18237 28 May 1961 Elbert L. Little Jr. 18302 2 Jun 1961 WTU-250136 WTU-252429 Betulaceae Betulaceae Betula occidentalis Hook. Betula glandulosa Michx. U.S.A., WASHINGTON, GRANT COUNTY: Wanapum Reservoir of Columbia River. Quilomeme Island. At U.S.A., ALASKA COUNTY: southern end of island. 40 miles southeast of Fairbanks, near mile 315, Alaska Highway, Elev. 570 ft. near Harding Lake. T18N R22E S2 NE; NAD 27, uncertainty: 805 m., Source: Elev. 900 ft. TRS2LL, Georef'd by Ben Legler Wet lowland forest along stream with Salix. Shrub to 3 feet. Riparian fringe of reservoir, in sand with embedded cobbies. Bark Phenology: Fertile. beautiful glossy copper color, tree about 30 feet tall. Association: Alnus incana, Amelanchier alnifolia, Rhus glabra, Rosa woodsii, Elbert L. Little Jr. 18197 23 May 1961 Salix exigua, Ulmus pumila. Phenology: Fertile. Origin: Native. WTU-252203 Joy Mastrogiuseppe 8012 16 Apr 1993 WTU-358025 Betulaceae Betulaceae Betula ×utahensis Britton Betula ×utahensis Britton U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: 16 miles north of Tetlin Junction. Ridge near mile 39 on Elliot Highway, northwest of Fairbanks. Wet boggy forest of Picea mariana on flat ridge. Shrub to 8 feet; bark Elev. 2000 ft. reddish black, not peeling. Phenology: Fertile. 65° 15' N, 148° W Mats of Betula at timberline of Picea mariana, Betula paprifera, B. Elbert L. Little Jr. 18240 28 May 1961 nana; rocky ridge. Shrub 10 feet tall; DBH 1 inch; bark blackish; smooth. Phenology: Fertile. WTU-250178 Elbert L. Little Jr. 18291 31 May 1961 Betulaceae WTU-252191 Betula kenaica Evans. × Betula nana L. probable hybrid Betulaceae U.S.A., ALASKA COUNTY: Port Vista, Raspberry Strait, Raspberry Island, Kodiak group. Betula nana L. ssp. exilis (Sukaczev) Hultén 58.073032°, -153.102293°; uncertainty: 15000 m., Georef'd by Joseph Stormer U.S.A., ALASKA COUNTY: Phenology: Fertile. Port Vista, Raspberry Strait, Raspberry Island, Kodiak group. 58.073032°, -153.102293°; uncertainty: 15000 m., Georef'd by W. J. Eyerdam 4017 1945 Joseph Stormer On mountain side. Small creeping shrub. Phenology: Fertile. WTU-293715B W. J. Eyerdam 3902 1945 WTU-293714 Betulaceae Betula ×utahensis Britton Betulaceae U.S.A., ALASKA, FAIRBANKS NORTH STAR COUNTY: Betula ×utahensis Britton Fairbanks. Elev. 480 ft. U.S.A., ALASKA COUNTY: Cutover forest of Picea mariana, Populus in vacant lots; with Betula. Devils Elbow, Tsina River, East of Valdez, mile 37 on Richardson Shrub to 12 feet; forming clumps of many stems; bark dark reddish Highway. black, smooth. Phenology: Cones. Elev. 1800 ft. Picea glauca forest. Shrub 6 feet tall. Phenology: Fertile. Elbert L. Little Jr. 18510 19 Jun 1961 Elbert L. Little Jr. 18350 5 Jun 1961 WTU-252284 WTU-252189 Betulaceae Betulaceae Betula ×utahensis Britton Betula kenaica W.H. Evans U.S.A., ALASKA COUNTY: Vacant lots, Fairbanks. U.S.A., ALASKA COUNTY: Elev. 480 ft. Kanakanak (5 miles south of Dillingham), close to native hospital. Cutover forest of Picea glauca, Populus, Betula. Shrub to 10 feet; On beach and in rim spahgnum bog. Groves near beach 20-30 feet Bark smooth, reddish black, at base becoming pink, papery, and high. Phenology: Fertile. peeling. Phenology: Cones. Jeannette Stewart 171 25 Jun 1946 Elbert L. Little Jr. 18275 30 May 1961 WTU-169455 WTU-250185 Betulaceae Betulaceae Betula occidentalis Hook. Betula ×utahensis Britton U.S.A., OREGON, BAKER COUNTY: U.S.A., ALASKA COUNTY: Along State Highway 86, about 14 miles west of Richland, along Mentasta Pass, Mentasta Mountain, Clenn Highway near mile 80. Powder River. Elev. 2400 ft. Elev. 2686 ft. Boggy; open forest of Picea mariana, Betula, Populus tremulodies. 44° 48' 38" N, 117° 21' 51" W Shrub 14 feet tall; clump forming; bark reddish black, smooth, not Tree 6.1 meters tall; herbage viscid. Associated Genera: Clematis, peeling. Phenology: Fertile. Rosa, Arrhenatherum, Dipsacus, Bromus, Verbascum. Phenology: Fertile. Origin: Native. Elbert L. Little Jr. 18256 28 May 1961 Richard R. Halse 6400 19 Jun 2003 WTU-250184 WTU-356056 Betulaceae Betulaceae Betula nana L. ssp. exilis (Sukaczev) Hultén ? Betula nana L. ssp. exilis (Sukaczev) Hultén U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: King Salmon. Port Vista, Raspberry Strait, Raspberry Island, Kodiak group. 58.688333°, -156.661389°; WGS 84, uncertainty: 10000 m., 58.073032°, -153.102293°; uncertainty: 15000 m., Georef'd by Source: GeoLocate, Georef'd by Joseph Stormer Joseph Stormer Shrub to 1.5 feet in tundra. Phenology: Fertile. A bush in older thicket, flowers very scarce. Phenology: Fertile. W. B. Schofield 2059 7 Jul 1952 W. J. Eyerdam 3713 1945 WTU-233916 WTU-103162

Betulaceae Betulaceae Betula kenaica W.H. Evans Betula occidentalis Hook. CANADA, YUKON TERRITORY: U.S.A., WASHINGTON, SPOKANE COUNTY: Canol Road: mile 222, Ross River vally near north end of Sheldon Spangle. Lake. 47.4275°, -117.37917°; WGS 84, uncertainty: 1000 m., Source: Elev. 3000 ft. GeoLocate, Georef'd by WTU Staff Small tree 5" in diameter and 30 feet high; bark dark, reddish-brown; Phenology: Fertile. Origin: Native. seeds very broadwinged. Phenology: Cones. Wilhelm N. Suksdorf s.n. 29 Sep 1916 A. E. Porsild 11549 4 Aug 1944 with A. J. Breitung WTU-272671 WTU-128643 Betulaceae Betulaceae Betula occidentalis Hook. Betula occidentalis Hook. U.S.A., WASHINGTON, CHELAN COUNTY: Tip Top Lookout, Wenatchee Mountains. U.S.A., WASHINGTON, YAKIMA COUNTY: Elev. 4000 ft. (YIN) Junction Poisel Butte, Road and Highway 97 at 12 miles 47.44032°, -120.60854°; WGS84, uncertainty: 700 m., Source: southwest Toppenish. Georeferenced, Georef'd by WTU Staff Elev. 1000 ft. Wet alpine meadows. Phenology: Fertile. Origin: Native. 46.254514°, -120.485565°; WGS 84, uncertainty: 500 m., Source: GeoLocate, Georef'd by WTU Staff J. William Thompson 6819 19 Jun 1931 Upper sonoran riverine flat. Phenology: Fertile. Origin: Native. WTU-17073JWT E. Hunn 173 12 Apr 1977 WTU-270897 Betulaceae Betula kenaica W.H. Evans Betulaceae CANADA, YUKON TERRITORY: Betula kenaica W.H. Evans Canol Road: mile 222, Ross River vally near north end of Sheldon Lake. CANADA, YUKON TERRITORY: Elev. 3000 ft. Canol Road: Mile 222, Ross River valley near north end of Sheldon 25 foot tree, 3-4" diameter with No. 11.549 (WTU ACC# 128643). Lake. Phenology: Fertile. Elev. 3000 ft. Phenology: Cones. A. E. Porsild 11547 4 Aug 1944 with A. J. Breitung A. E. Porsild 11544 6 Aug 1944 with A. J. Breitung WTU-128642 WTU-128641 Betulaceae Betulaceae Betula nana L. ssp. exilis (Sukaczev) Hultén Betula occidentalis Hook. U.S.A., ALASKA COUNTY: Arctic slope district, 70 air miles south of point Barrow, near Eskimo U.S.A., WASHINGTON, FERRY COUNTY: village of Atkasook, 1.9 kilometers southeast of Meade River camp, 13 miles west of Gerome (on "Spike" Anderson ranch). Above 1290 15 msm. foot level. 70.481641°, -157.416014°; uncertainty: 10000 m., Georef'd by 48.04003°, -118.54372°; WGS 84, uncertainty: 1500 m., Source: Joseph Stormer GeoLocate, Georef'd by WTU Staff Phenology: Fertile. Along creek. Phenology: Fertile. Origin: Native. Vera Komarkova 102 7 Jul 1975 H. T. Rogers 365 29 Apr 1940 with Mary Duffy WTU-291675 WTU-271684 Betulaceae Betulaceae Betula occidentalis Hook. Betula papyrifera Marshall U.S.A., WASHINGTON, CHELAN COUNTY: U.S.A., ALASKA COUNTY: Wenatchee. Uganik Bay. 47.42346°, -120.310349°; WGS 84, uncertainty: 5000 m., Source: Elev. 200 ft. GeoLocate, Georef'd by Dan Post Lower mountain slope. Phenology: Fertile. Origin: Native. Phenology: Vegetative. Origin: Native. Ethel H. Looff 1192 14 May 1940 K. Whited 1002? 30 Jun 1899 with Henry B. Looff WTU-115894 WTU-179779

Betulaceae Betulaceae Betula ×utahensis Britton Betula neoalaskana Sarg. CANADA, BRITISH COLUMBIA: U.S.A., ALASKA COUNTY: Lytton-Boston Bar. Galena (at airstrip), terrace of Yukon River. Phenology: Fertile. Elev. 130 ft. 64° 45' N, 158° 57' W V. J. Krajina s.n. 29 Aug 1950 Thickets of Alnus, Salix. Uncommon, local. Phenology: Flowers & Fruits. WTU-214671 Elbert L. Little Jr. 18495 18 Jun 1961 Betulaceae WTU-252283 Betula papyrifera Marshall Betulaceae CANADA, BRITISH COLUMBIA: Trail (14.6 miles north). Columbia River. Betula papyrifera Marshall Low burnt benches; open. Height 20 feet and 6 inches in butt. Phenology: Cones. CANADA, BRITISH COLUMBIA: Liard Hotsprings. Alaska Highway mile 497. T. T. McCabe 4698 1 Sep 1937 Forest near swamp. U.B.C. Survey Party Jun-Jul 1956. Phenology: Cones. WTU-78245 T. M. C. Taylor 328 14 Jun 1956 with A. F. Szczawinski, M. Bell Betulaceae WTU-172439 Betula papyrifera Marshall U.S.A., WASHINGTON, KING COUNTY: Betulaceae Near north shore of Lake Sammamish, east of Sammamish River, Marymoor Park. Betula occidentalis Hook. Elev. 32 ft. T25N R5E S13 NE 1/4; NAD 27, uncertainty: 805 m., Source: U.S.A., WASHINGTON, YAKIMA COUNTY: TRS2LL, Georef'd by Ben Legler (YIN) Satus Creek and US 97 bridge at 12 miles south of Toppenish. Seed from ornamental plantings elsewhere in park. Brownish-white Elev. 1000 ft. bark, 8 meters tall, self-sown in open woods. Phenology: Fertile. 46.261509°, -120.323484°; WGS 84, uncertainty: 500 m., Source: Origin: Native. GeoLocate, Georef'd by WTU Staff Upper sonoran riverine. Phenology: Vegetative. Origin: Native. P. F. Zika 14568 7 Oct 1999 with A. L. Jacobson E. Hunn 69 7 Oct 1976 WTU-340034 WTU-271188

Betulaceae Betulaceae Betula occidentalis Hook. Betula papyrifera Marshall U.S.A., WASHINGTON, KING COUNTY: : 8 miles north of Seattle. 47.714616°, -122.332071°; WGS 84, uncertainty: 8454 m., Elev. 0-0 Source: Digital Map, Georef'd by Joseph Stormer Rich moist woods. Trees with trunk 5 inches in diameter. Phenology: In a swamp. Phenology: Fertile. Origin: Native. Fertile. Origin: Native. W. J. Eyerdam s.n. 1 Apr 1933 C. L. Hitchcock 24019a 11 Jul 1965 WTU-292487 WTU-223980 Betulaceae Betulaceae Betula occidentalis Hook. Betula papyrifera Marshall U.S.A., WASHINGTON, SPOKANE COUNTY: CANADA, BRITISH COLUMBIA: Silver Lake, near town of Medical Lake. Yale District: 7 miles west of Little Fort on road to Bridge Lake. Elev. 2360 ft. Deep woods, moist soil. Bark brownish until trees up to 3" in 47° 34' 15" N, 117° 39' 30" W; T24N R41E S17 diameter, then white. Phenology: Fertile. In moist area. Phenology: Fertile. Origin: Native. C. L. Hitchcock 22071 1 Jul 1961 Sarah Gage G&R 554 14 Jul 1992 with C. V. Muhlick with Sharon Rodman WTU-209312 WTU-344444 Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., ALASKA COUNTY: U.S.A., MONTANA, LAKE COUNTY: Six miles south of Nenana FAA station. On east shore of Flathead Lake, 1 mile south of Yellow Bay. Roadside. Tree. Phenology: Flowers & Fruits. Origin: Native. Edge of woods. Phenology: Fertile. Origin: Native. Maxcine Williams 2499 14 Jun 1970 C. L. Hitchcock 17724 27 Jun 1948 WTU-253066 WTU-126130 Betulaceae Betulaceae Betula papyrifera Marshall Betula occidentalis Hook. U.S.A., ALASKA COUNTY: U.S.A., IDAHO, KOOTENAI COUNTY: North Tongass National Forest, 1 mile east of Skagway. Mouth of Beauty Bay Creek, Beauty Bay, Lake Coeur D'Alene. Elev. 500 ft. 47.61667°, -116.68278°; WGS 84, uncertainty: 10000 m., Source: Mountains; mixed forest, Picea sitchensis, Pinus contorta; on ridge GeoLocate, Georef'd by WTU Staff with Betula with whitish bark. 50 foot tall tree; DBH 6 inches; bark Rocky bank at the mouth of Beauty Bay. Phenology: Fertile. Origin: dark slaty, gray brown, smooth, not peeling, with lenticels horizontal Native. light gray lines. Phenology: Fertile. Origin: Native. William H. Baker 14873 15 Jun 1957 Elbert L. Little Jr. 18102 14 May 1961 WTU-298001 WTU-252300

Betulaceae Betulaceae Betula papyrifera Marshall Betula occidentalis Hook. U.S.A., IDAHO, IDAHO COUNTY: CANADA, BRITISH COLUMBIA: Along Selway River, 1 mile above Selway Falls. Yale District: 9 miles northwest of Merritt. 46.053515°, -115.309684°; WGS 84, uncertainty: 1000 m., Plants growing along small ravines. Many-stemmed, up to 20 feet Source: GeoLocate, Georef'd by WTU Staff tall; bark not readily exfoliating, not splitting around stem, never Moist slope. Tree to about 10 meters; bark grayish brown. exfoliating and becoming white. Phenology: Fertile. Phenology: Cones. Origin: Native. C. L. Hitchcock 22053 29 Jun 1961 Marion Ownbey 3128 3 Aug 1947 with C. V. Muhlick with George H. Ward WTU-209514 WTU-132720 Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., ALASKA COUNTY: U.S.A., IDAHO, IDAHO COUNTY: North Tongass National Forest, 1 mile east of Juneau, Basin Road. Van Camp Lookout above the canyon of the Lochsa River. Elev. 500 ft. 46.230707°, -115.490928°; WGS 84, uncertainty: 10000 m., 58.308074°, -134.389992°; WGS 84, uncertainty: 1309 m., Source: GeoLocate, Georef'd by WTU Staff Source: Digital Map, Georef'd by Joseph Stormer Phenology: Fertile. Origin: Native. Cutover forest. Rare and local. Phenology: Flowers & Fruits. Origin: Native. William H. Baker 14531 8 Aug 1956 Elbert L. Little Jr. 18515 21 Jun 1961 WTU-298002 WTU-252277 Betulaceae Betulaceae Betula neoalaskana Sarg. Betula papyrifera Marshall U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: 12 miles north of Tetlin Junction. North Tongass National Forest; Basin Road, 1 mile east of Juneau. Forest of Picea glauca, P. mariana on slope. Rare. Phenology: Elev. 500 ft. Fruits. Cutover forest; exposed ridge with Alnus sitchensis. Tree; 15-20 feet tall; DBH 4-5 inches; rare and local; bark copper brown, turning Elbert L. Little Jr. 18242 28 May 1961 whitish. Phenology: Fertile. Origin: Native. WTU-250181 Elbert L. Little Jr. 18095 13 May 1961 Betulaceae WTU-252298 Betula papyrifera Marshall Betulaceae U.S.A., ALASKA, HAINES COUNTY: Haines; North Tongass National Forest. Betula papyrifera Marshall Elev. 10 ft. River flat, wet soil; thicket of Alnus, Populus, Salix. Tree to 20 feet; U.S.A., OREGON, WALLOWA COUNTY: DBH 5 inches; bark light brown to pinkish on one side. Phenology: Near Minam. Fertile. Origin: Native. Phenology: Cones. Origin: Native. Elbert L. Little Jr. 18128 15 May 1961 Oliver V. Matthews s.n. Sep 1932 WTU-252204 WTU-8859JWT

Betulaceae Betulaceae Betula occidentalis Hook. Betula neoalaskana Sarg. CANADA, BRITISH COLUMBIA: U.S.A., ALASKA COUNTY: Trap Lake. Mentasta Pass, Mentasta Mountain, Clenn Highway near mile 80. Phenology: Fertile. Elev. 2400 ft. Open forest of Picea mariana, Betula, Populus; boggy. Phenology: V. J. Krajina s.n. 27 Aug 1950 Flowers & Fruits. WTU-215813 Elbert L. Little Jr. 18254 28 May 1961 WTU-250134 Betulaceae Betula papyrifera Marshall Betulaceae U.S.A., ALASKA COUNTY: Betula papyrifera Marshall North Tongass National Forest, 1 mile east of Juneau, Basin Road. Elev. 500 ft. U.S.A., ALASKA COUNTY: 58.308074°, -134.389992°; WGS 84, uncertainty: 1309 m., North Tongass National Forest, 1 mile east of Skagway. Source: Digital Map, Georef'd by Joseph Stormer Elev. 500 ft. Cutover forest. Rare and local; tree to 15 feet; DBH 2 inches; bark Mixed forest, Picea sitchensis, Pinus contorta; mountains. Tree to 30 black, msooth. Thiss tree with truncate leaves. Phenology: Fertile. feet; DBH 6 inches; bark dark brown to about 3 inches diameter, Origin: Native. then becomes pinkish brown. Phenology: Fertile. Origin: Native. Elbert L. Little Jr. 18516 21 Jun 1961 Elbert L. Little Jr. 18101 14 May 1961 WTU-252281 WTU-252299

Betulaceae Betulaceae Betula occidentalis Hook. var. vicid Betula neoalaskana Sarg. U.S.A., MONTANA, MISSOULA COUNTY: U.S.A., ALASKA COUNTY: 6 miles northeast of Missoula on Rattlesnake Creek. 80 miles southeast of Tetlin Junction, Alaska Highway, mile 1222. Phenology: Fertile. Wet slope. Phenology: Fruits. S. Seidensticker 10 16 May 1938 Elbert L. Little Jr. 18220 27 May 1961 with P. Krause WTU-250133 WTU-51426 Betulaceae Betulaceae Betula occidentalis Hook. Betula papyrifera Marshall U.S.A., MONTANA, PARK COUNTY: CANADA, BRITISH COLUMBIA: 5 miles north of Gardener. Along Bull River, 6 miles northeast of Wardner. Shrubs about 8 feet tall. Phenology: Vegetative. Origin: Native. Riverbanks. Phenology: Cones. C. L. Hitchcock 13583 13 Aug 1945 W. A. Weber 2246 2 Jul 1941 with C. V. Muhlick WTU-74569 WTU-98441 Betulaceae Betulaceae Betula neoalaskana Sarg. Betula neoalaskana Sarg. U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: About 25 miles northeast of Anchroage, near Eklutna, near northeast McKinely Park Station, Mount McKinely National Park. end of Knik Arm. Elev. 1700 ft. Elev. 50 ft. Cutover forest of Picea glauca. Rare. Phenology: Fruits. Wet soil, in valley. Phenology: Flowers & Fruits. Elbert L. Little Jr. 18325 4 Jun 1961 Elbert L. Little Jr. 18184 21 May 1961 WTU-250155 WTU-250190

Betulaceae Betulaceae Betula occidentalis Hook. Betula occidentalis Hook. U.S.A., MONTANA, FERGUS COUNTY: U.S.A., MONTANA, CARBON COUNTY: Half Mood Canyon, Big Snowy Mountains. [circa] 4 miles southwest of Red Lodge near highway to Cooke City. Canyon floor in mouth of canyon. Shrubs about 8 feet tall. Elev. 5200 ft. Phenology: Fertile. Origin: Native. 45.138025°, -109.282274°; WGS 84, uncertainty: 3000 m., Source: Digital Map, Georef'd by Joseph Stormer C. L. Hitchcock 12015 5 Jul 1945 Meadow. Straggley shrub 10 feet tall. Phenology: Vegetative. Origin: with C. V. Muhlick Native. WTU-98482 C. L. Hitchcock 13488 11 Aug 1945 WTU-98483 Betulaceae Betula neoalaskana Sarg. Betulaceae U.S.A., ALASKA COUNTY: Betula papyrifera Marshall Bird Point, 15 miles northwest of Portage; Near Chugach National Forest. CANADA, BRITISH COLUMBIA: Elev. 60 ft. Cloverdale. Picea-Betula forest. Common. Phenology: Flowers & Fruits. Glacial hills. Second growth. Phenology: Fertile. Elbert L. Little Jr. 18176 20 May 1961 Lyman Benson 1513 1 Jun 1929 WTU-250191 WTU-43499

Betulaceae Betulaceae Betula occidentalis Hook. Betula neoalaskana Sarg. U.S.A., MONTANA, SWEET GRASS COUNTY: U.S.A., ALASKA COUNTY: Foothills of Crazy Mountains. 40 miles southeast of Fairbanks, near mile 315, Alaska Highway, In partial shade of cottonwoods. Shrubs [circa] 12 feet tall. near Harding Lake. Phenology: Vegetative. Origin: Native. Elev. 900 ft. Upland forest of Populus tremuloides. Old fruit. Phenology: Fruits. C. L. Hitchcock 13328 6 Aug 1945 Elbert L. Little Jr. 18204 23 May 1961 WTU-98442 WTU-250193 Betulaceae Betulaceae Betula papyrifera Marshall Betula occidentalis Hook. CANADA, BRITISH COLUMBIA: U.S.A., OREGON, MALHEUR COUNTY: Alexandra Bridge, Fraser River Canyon. Lower Owyhee River Creek between Birch & Jackson Creeks, east Rock slide in open; 300-500 feet above river on east wall. Shrubby bank. tree; bark dark brown with white horizonatal lines. Phenology: Elev. 2750 ft. Fertile. T27S R42E S25; NAD 27, uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler T. T. McCabe 749 18 Apr 1934 Dominant tree species, Carex-Juncus-Eleocharis comm. Phenology: Fertile. Origin: Native. WTU-37064 Elaine Joyal 1124 18 May 1986 Betulaceae WTU-313736 Betula papyrifera Marshall U.S.A., ALASKA COUNTY: Betulaceae Southeastern Alaska; Lynn Canal, Dayebas Creek. Elev. 800 ft. Betula papyrifera Marshall T30S R60E S5 On large moss and lichen covered boulders in large boulder field. U.S.A., IDAHO, LATAH COUNTY: Common; trees about 15 feet tall. Phenology: Flowers & Fruits. Along Gnat Creek at the base of Moscow Mountain, 5 miles Origin: Native. northeast of Moscow. 46.784584°, -116.925634°; WGS 84, uncertainty: 500 m., Source: K. L. Labounty s.n. 23 Jul 1987 GeoLocate, Georef'd by WTU Staff Edge of creek. Phenology: Fertile. Origin: Native. WTU-325729 William H. Baker 5743 4 May 1949 Betulaceae WTU-129401 Betula occidentalis Hook. Betulaceae U.S.A., MONTANA, PARK COUNTY: Chico Hot Springs. Betula papyrifera Marshall 45.338378°, -110.691555°; WGS 84, uncertainty: 400 m., Source: Digital Map, Georef'd by Joseph Stormer CANADA, BRITISH COLUMBIA: Phenology: Vegetative. Origin: Native. Two miles south of Summit Lake, 30 miles north of Prince George. Open clearing in spruce forest, rocky glacial till. Tree 35 feet high. Wilhelm N. Suksdorf 458 15 Jul 1921 Phenology: Fertile. WTU-268999 T. T. McCabe 6960 17 May 1939 WTU-75089 Betulaceae Betula kenaica W.H. Evans Betulaceae U.S.A., ALASKA COUNTY: Betula neoalaskana Sarg. 19 miles east of Valdez, on Richardson Highway. Elev. 500 ft. U.S.A., ALASKA COUNTY: Cutover forest of Picea sitchensis and Alnus. Scattered. Phenology: Southeastern Alaska; Skagway. About 1/2 mile east of downtown. Fruits. Origin: Native. East side of railroad tracks near base of Dewey Lakes Trail. Growing at the edge of the forest. Locally common. Phenology: Elbert L. Little Jr. 18344 5 Jun 1961 Fertile. WTU-252427 Mary Clay Stensvold 5742 10 Jun 1993 WTU-332822 Betulaceae Betula papyrifera Marshall Betulaceae CANADA, BRITISH COLUMBIA: Betula papyrifera Marshall About two miles abovve Lytton (Thompson River). From eight-inch birch stump. Phenology: Fertile. CANADA, BRITISH COLUMBIA: Yale District: along Similkameen River at Coalmont, 13 miles T. T. McCabe 814 19 Apr 1934 northwest of Princeton. Sandy riverbank. Multistemmed plants (mostly) to 30 feet high; WTU-37068 stems brown-barked until about 2" in diameter, then the white bark showing as the juvenile (brown) bark exfoliates. Phenology: Fertile. C. L. Hitchcock 22035 29 Jun 1961 with C. V. Muhlick WTU-209664 Betulaceae Betulaceae Betula occidentalis Hook. Betula papyrifera Marshall U.S.A., IDAHO, BEAR LAKE COUNTY: CANADA, BRITISH COLUMBIA: Along the banks of St. Charles Creek, 3.5 miles west of St. Charles. Lytton-Stein River Valley. T15S R43E S20; NAD 27, uncertainty: 805 m., Source: TRS2LL, Elev. 820-2624 ft. Georef'd by Ben Legler 50° 12' N, 121° 45' W Along the banks of creek. Phenology: Fertile. Origin: Native. Phenology: Fertile. William H. Baker 9427 22 Jul 1952 V. J. Krajina 1401 19 Aug 1949 WTU-155855 WTU-214332

Betulaceae Betulaceae Betula kenaica W.H. Evans Betula papyrifera Marshall U.S.A., ALASKA COUNTY: CANADA, BRITISH COLUMBIA: 12 miles southeast of Homer, Ismailof Island at Halibut Cove on Saint Mary's Lake. south shore of Kachemak Bay. Edge of open rock slide, lake shore. Tree 40 feet high, 15 inche butt. Elev. 20 ft. Phenology: Fertile. Cutover forest of Picea sitchensis. Phenology: Fruits. Origin: Native. T. T. McCabe 6860 17 May 1938 Elbert L. Little Jr. 18409 10 Jun 1961 WTU-75088 WTU-252455 Betulaceae Betulaceae Betula kenaica W.H. Evans ? Betula papyrifera Marshall U.S.A., ALASKA COUNTY: U.S.A., MONTANA COUNTY: Tsina River, northeast of Valdez, mile 48 on Richardson Highway. Arlee, about 3 miles up Jocko, .25 miles east of road, old camp. Elev. 1400 ft. Phenology: Cones. Origin: Native. River bank. Smooth not peeling; specimen from sterile plant 8 feet. Phenology: Fruits. Origin: Native. J. E. Kirkwood 1080 12 Aug 1922 Elbert L. Little Jr. 18352 5 Jun 1961 WTU-12958JWT WTU-249874 Betulaceae Betulaceae Betula papyrifera Marshall Betula occidentalis Hook. CANADA, BRITISH COLUMBIA: 33 miles north of Kamloops. U.S.A., IDAHO, BONNER COUNTY: Phenology: Fertile. Priest River Exptl. Forest. 48.349577°, -116.807015°; WGS 84, uncertainty: 4000 m., T. T. McCabe 1056 12 May 1934 Source: Digital Map, Georef'd by Melissa Bowers Dense scrub; burn. Phenology: Fertile. Origin: Native. WTU-37065 R. F. Daubenmire 44257 7 Jun 1944 Betulaceae WTU-239108 Betula kenaica W.H. Evans Betulaceae U.S.A., ALASKA COUNTY: 3 miles east of Homer. Betula kenaica W.H. Evans ? Elev. 300 ft. Thickets in cleared forest of Picea sitchensis. Forming clumps. U.S.A., ALASKA COUNTY: Phenology: Fruits. Origin: Native. 19 miles east of Valdez, on Richardson Highway. Elev. 500 ft. Elbert L. Little Jr. 18414 11 Jun 1961 Cutover forest of Picea sitchensis and Alnus. Phenology: Fruits. Origin: Native. WTU-252456 Elbert L. Little Jr. 18342 5 Jun 1961 Betulaceae WTU-249936 Betula papyrifera Marshall U.S.A., ALASKA COUNTY: Mount Roberts. Phenology: Fertile. Origin: Native. Lucille Stonehouse s.n. 27 May 1942 WTU-110982 Betulaceae Betulaceae Betula occidentalis Hook. Betula microphylla Bunge U.S.A., IDAHO, LEMHI COUNTY: U.S.A., IDAHO, IDAHO COUNTY: Along Wimpey Creek at lower end of canyon in Beaverhead Snake River Canyon. Mountains, 3.5 miles northeast from Baker. 45.5825°, -116.48056°; WGS 84, uncertainty: 10000 m., Source: Elev. 5100 ft. GeoLocate, Georef'd by WTU Staff 45.130059°, -113.680126°; WGS 84, uncertainty: 1000 m., Collection date: 9&10 Apr, 1932. Phenology: Fertile. Source: GeoLocate, Georef'd by WTU Staff Phenology: Cones. Origin: Native. Martha R. Flahaut 2623 9 Apr 1932 H. R. Bennett 7615 22 Jul 1961 WTU-316090 WTU-213238 Betulaceae Betulaceae Betula papyrifera Marshall Betula kenaica W.H. Evans CANADA, BRITISH COLUMBIA: Mount Begbie, near Clinton. U.S.A., ALASKA COUNTY: 51.476694°, -121.366797°; WGS 84, uncertainty: 800 m., Source: 12 miles east of Valdez, Twelve Mile Picnic Site on Richardson Digital Map, Georef'd by Joseph Stormer Highway. Phenology: Cones. Elev. 50 ft. Cutover forest of Picea glauca and thicket of Alnus on slope. T. T. McCabe 387 16 Aug 1933 Phenology: Fertile. Origin: Native. WTU-37066 Elbert L. Little Jr. 18340 5 Jun 1961 WTU-249935 Betulaceae Betula kenaica W.H. Evans Betulaceae U.S.A., ALASKA COUNTY: Betula papyrifera Marshall Kenai (edge of town). Elev. 150 ft. U.S.A., MONTANA, LAKE COUNTY: Forest of Picea glauca, Populus tremuloides. Scattered. Phenology: Near Saint Mary's Lake. Fruits. Origin: Native. Phenology: Cones. Origin: Native. Elbert L. Little Jr. 18390 9 Jun 1961 G. N. Jones 5635 23 Jul 1934 WTU-252290 WTU-29156 Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall CANADA, BRITISH COLUMBIA: U.S.A., OREGON COUNTY: About 1 mile northeast of Falkland. South of Wallowa-Union County line, Oregon Highway, # 82, west Elev. 2000 ft. bank Mianam River. Along stream. Tree 6 meters tall. Phenology: Cones. Largest tree, circ. 2'3". Raretree. O.V.M. Photo # 3-172. 9/11/38. Phenology: Fertile. Origin: Native. C. L. Hitchcock 7457 27 Jun 1941 with C. V. Muhlick Oliver V. Matthews s.n. 28 Sep 1950 WTU-68152 WTU-148040 Betulaceae Betulaceae Betula kenaica W.H. Evans Betula kenaica W.H. Evans U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: Near Salamatof, 5 miles northwest of Kenai. Homer (at airport). Elev. 100 ft. Elev. 30 ft. Forest of Picea glauca and Betula. Common. Phenology: Fruits. Forest of Picea sitchensis and Betula. Phenology: Fruits. Origin: Origin: Native. Native. Elbert L. Little Jr. 18392 9 Jun 1961 Elbert L. Little Jr. 18419 11 Jun 1961 WTU-252291 WTU-252288 Betulaceae Betulaceae Betula occidentalis Hook. Betula neoalaskana Sarg. U.S.A., IDAHO, BINGHAM COUNTY: U.S.A., ALASKA COUNTY: Blackfoot Mountains, Wolverine Creek Canyon, 5.3 miles above Eagle. canyon entrance, 23 airline miles east northeast of Blackfoot. Woods around town. Common; tree. Phenology: Flowers & Fruits. Elev. 6100 ft. T1S R39E S32; WGS 84, uncertainty: 10000 m., Source: Maxcine Williams 2161 19 Jun 1968 GeoLocate, Georef'd by WTU Staff Along stream. Common, large shrub or small tree. Phenology: WTU-242803 Fertile. Origin: Native. Noel H. Holmgren 4996 3 Jun 1971 Betulaceae with Patricia K. Holmgren Betula papyrifera Marshall WTU-277196 CANADA, BRITISH COLUMBIA: Kicking Horse Valley, Canadian Rockies. Betulaceae Elev. 4000 ft. Phenology: Cones. Betula papyrifera Marshall Stewardson Brown 808 25 Jul 1906 U.S.A., IDAHO, LATAH COUNTY: South slope of Moscow Mountain, five miles notheast of Moscow. WTU-29352 46.7325°, -116.99917°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff Woods. Phenology: Cones. Origin: Native. Betulaceae William H. Baker 8936 27 May 1952 Betula occidentalis Hook. WTU-155853 U.S.A., OREGON, GILLIAM COUNTY: 9 miles south of Condon. T5S R21E Betulaceae Along bank of small stream. Several stemmed, erect-ascending plants 10 meters tall, the large stems 1.5 decimeters thick. Bark dull Betula papyrifera Marshall gray to coppery. Phenology: Fertile. Origin: Native. CANADA, BRITISH COLUMBIA: Arthur Cronquist 6246 5 May 1950 Seven miles east of New Hazelton. At forest edge. Tree, 20 feet high. Phenology: Fertile. WTU-144824 T. T. McCabe 6992 23 May 1939 Betulaceae WTU-75090 Betula papyrifera Marshall Betulaceae U.S.A., MONTANA, FLATHEAD COUNTY: Near Flathead River, 5 miles east of Kalispell. Betula kenaica W.H. Evans Bank, with b. occidentalis. Tree to 10 meters; leaves pale green; bark white, pelling with age. Phenology: Fertile. Origin: Native. U.S.A., ALASKA COUNTY: 3 miles east of Homer. Marion Ownbey 3232 1 Sep 1949 Elev. 300 ft. Thickets in cleared forest of Picea sitchensis. Forming clumps. WTU-146487 Phenology: Fruits. Origin: Native. Elbert L. Little Jr. 18415 11 Jun 1961 Betulaceae WTU-252285 Betula neoalaskana Sarg. U.S.A., ALASKA COUNTY: Betulaceae Skwenta (at airstrip) 70 miles northwest of Anchorage. Elev. 240 ft. Betula papyrifera Marshall 61° 57' N, 151° 10' W Betula forest. Common. Phenology: Fruits. CANADA, BRITISH COLUMBIA: Hayfork Falls. Elbert L. Little Jr. 18436 15 Jun 1961 Phenology: Cones. WTU-252278 A. A. Heller s.n. 8 Jul 1929 WTU-87458 Betulaceae Betulaceae Betula papyrifera Marshall Betula occidentalis Hook. U.S.A., ALASKA, HAINES COUNTY: CANADA, BRITISH COLUMBIA: Haines, North Tongass National Forest. Paul Lake, Kamloops. Elev. 50 ft. Phenology: Vegetative. Upland cutover Pinus-Picea forest; rocky soil. Shrub to 40 feet; DBH 6 inches; bark dark copper brow, smooth with gray line lenticels, V. J. Krajina s.n. 28 Aug 1950 slightly papery and peeling at base. Phenology: Fertile. Origin: Native. WTU-21558 Elbert L. Little Jr. 18135 15 May 1961 Betulaceae WTU-250192 Betula occidentalis Hook. Betulaceae U.S.A., IDAHO, BONNER COUNTY: Betula occidentalis Hook. Hager Lake, Bismark Mountain Trail, West of Kalispel Ridge, Priest Lake. CANADA, BRITISH COLUMBIA: 48.59528°, -116.99611°; WGS 84, uncertainty: 10000 m., Source: Alkali Lake, (east bank of Fraser River). GeoLocate, Georef'd by WTU Staff Phenology: Fertile. Wet margin. Phenology: Fruits. Origin: Native. T. T. McCabe 923 7 May 1934 William H. Baker 15528 5 Jun 1959 WTU-37067 WTU-298005

Betulaceae Betulaceae Betula papyrifera Marshall Betula occidentalis Hook. U.S.A., IDAHO, BONNER COUNTY: CANADA, BRITISH COLUMBIA: Bismark Mountain Trail. Fairview Pass, between Oliver and Keremeos. 48.59528°, -116.99611°; WGS 84, uncertainty: 10000 m., Source: West slope in gully at break between sage and forest. Abundant in GeoLocate, Georef'd by WTU Staff similar gullies, tree about 30 feet. Phenology: Vegetative. Wet sphagnum bog. Phenology: Fertile. Origin: Native. T. T. McCabe 5917 6 May 1938 W. H. Baker 13675 31 Jul 1956 WTU-75091 WTU-297979 Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, WHATCOM COUNTY: U.S.A., ALASKA COUNTY: Northwood. North Tongass National Forest, 1 mile east of Juneau, Basin Road. 48.96444°, -122.40611°; WGS 84, uncertainty: 10000 m., Source: Elev. 500 ft. GeoLocate, Georef'd by WTU Staff 58.308074°, -134.389992°; WGS 84, uncertainty: 1309 m., Cutover woodland. Phenology: Fertile. Origin: Native. Source: Digital Map, Georef'd by Joseph Stormer Cutover forest. Tree, 15-30 feet tall; DBH 2-6 inches; rare and local; W. C. Muenscher 9683 21 Apr 1939 bark clak to pinkish, smooth, not peeling. This tree 15 feet with cordate leaves. Phenology: Fertile. Origin: Native. WTU-55418 Elbert L. Little Jr. 18517 21 Jun 1961 Betulaceae WTU-252278 Betula ×utahensis Britton Betulaceae CANADA, BRITISH COLUMBIA: Mabel Lake. Betula occidentalis Hook. 50.569379°, -118.725281°; uncertainty: 20000 m. Phenology: Fruits. U.S.A., IDAHO, BONNER COUNTY: Along the Clark Fork at Cabinet Dam. V. J. Krajina s.n. 23 Aug 1950 48.08444°, -116.0725°; WGS 84, uncertainty: 5000 m., Source: GeoLocate, Georef'd by WTU Staff WTU-304305 Woods. Phenology: Flowers & Fruits. Origin: Native. William H. Baker 13599 21 Jul 1955 WTU-297978 Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, WHATCOM COUNTY: U.S.A., WASHINGTON, WHATCOM COUNTY: 4 miles north of Bellingham. Everson. 48.817607°, -122.48694°; WGS 84, uncertainty: 500 m., Source: 48.92048°, -122.34296°; WGS 84, uncertainty: 500 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff In wet places. Phenology: Fertile. Origin: Native. Phenology: Fertile. Origin: Native. T. C. Frye s.n. 10 Aug 1909 C. V. Piper 1128 Sep 1892 WTU-6000 WTU-5867

Betulaceae Betulaceae Betula neoalaskana Sarg. Betula neoalaskana Sarg. U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: McGrath. Big Delta. Elev. 400 ft. Elev. 1200 ft. Uplands. Phenology: Fruits. Forest of Picea glauca, Populus tremuloides. Phenology: Fruits. Elbert L. Little Jr. 18447 15 Jun 1961 Elbert L. Little Jr. 18298 1 Jun 1961 WTU-252280 WTU-252186

Betulaceae Betulaceae Betula ×utahensis Britton Betula papyrifera Marshall U.S.A., OREGON, WASCO COUNTY: U.S.A., WASHINGTON, SNOHOMISH COUNTY: Trout Creek, about 20 miles south of Maupin. Marysville. Along the dry bed of creek, arid sagebrush covered hills. Much 48.05194°, -122.17583°; WGS 84, uncertainty: 3570 m., Source: branched from a thick base ( 4 feet at the ground). Perhaps B. GeoLocate, Georef'd by Maria Yousoufian Guthrieei Sudw. Phenology: Fertile. Origin: Native. Phenology: Fertile. Origin: Native. Elmer I. Applegate 8248 13 Aug 1932 Geo. Neville Jones 4347 19 Apr 1933 WTU-43062 WTU-22802

Betulaceae Betulaceae Betula papyrifera Marshall Betula occidentalis Hook. U.S.A., WASHINGTON, FERRY COUNTY: U.S.A., OREGON COUNTY: 13 miles west of Gerome (on "spike" Anderson ranch). Cow Canyon, 20 miles northeast of Madras. Elev. 1290 ft. Moist canyon floor. 18 inches in diamter. Phenology: Fertile. Origin: 48.03822°, -118.54221°; WGS 84, uncertainty: 1000 m., Source: Native. GeoLocate, Georef'd by WTU Staff Along creek. Phenology: Fertile. Origin: Native. Morton E. Peck 15768 21 Jul 1927 H. T. Rogers 366 29 Apr 1940 WTU-17139JWT WTU-84578 Betulaceae Betulaceae Betula neoalaskana Sarg. Betula neoalaskana Sarg. U.S.A., ALASKA COUNTY: Chickaloon River near Glenn Highway, 25 miles northeast of Palmer. U.S.A., ALASKA COUNTY: Elev. 1000 ft. Copper Center (at airstrip). Mixed forest of Populus and Picea forest. Phenology: Flowers & Gravel terrace. Uncommon. Phenology: Fertile. Fruits. Elbert L. Little Jr. 18386 8 Jun 1961 Elbert L. Little Jr. 18192 21 May 1961 WTU-252289 WTU-252351 Betulaceae Betulaceae Betula papyrifera Marshall Betula neoalaskana Sarg. U.S.A., WASHINGTON, WHATCOM COUNTY: U.S.A., ALASKA COUNTY: 4 miles north of Bellingham. McCarthy (at airstrip). 48.817607°, -122.48694°; WGS 84, uncertainty: 500 m., Source: Gravel terrace. Phenology: Fertile. GeoLocate, Georef'd by WTU Staff Phenology: Fertile. Origin: Native. Elbert L. Little Jr. 18376 8 Jun 1961 T. C. Frye s.n. 10 Aug 1909 WTU-249871 WTU-24081 Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, KING COUNTY: Lake Washington, Union Bay, University of Washington crew house. U.S.A., WASHINGTON, KING COUNTY: 47.64944°, -122.28667°; WGS 84, uncertainty: 10000 m., Source: Lake Washington at the Univerisity, Seattle. GeoLocate, Georef'd by WTU Staff 47.60639°, -122.33083°; WGS 84, uncertainty: 10000 m., Source: In the willows at the edge of Union Bay. Phenology: Fertile. Origin: GeoLocate, Georef'd by WTU Staff Native. Boarder of lake. Phenology: Fertile. Origin: Native. Lyman Benson 1464 24 May 1929 Lyman Benson 1127 8 Apr 1929 WTU-43534 WTU-43503 Betulaceae Betulaceae Betula occidentalis Hook. Betula neoalaskana Sarg. U.S.A., WASHINGTON, OKANOGAN COUNTY: U.S.A., ALASKA COUNTY: Valley of Myers Creek, Chesaw. 15 miles east of Chickaloon, Glenn Highway, near mile 104. Elev. 3000-4500 ft. Forest of Picea glauca, Populus tremuloides. Uncommon. 48.946236°, -119.049966°; WGS 84, uncertainty: 10000 m., Phenology: Fruits. Source: GeoLocate, Georef'd by WTU Staff Wet meadow. Phenology: Fertile. Origin: Native. Elbert L. Little Jr. 18359 6 Jun 1961 Harold St. John 5199 2 Jul 1921 WTU-249873 with W. D. Courtney, Charles S. Parker WTU-112910 Betulaceae Betula occidentalis Hook. Betulaceae U.S.A., OREGON, WHEELER COUNTY: Betula neoalaskana Sarg. Along John Day River, near Kimberly. Sagebrush slopes. Phenology: Fertile. Origin: Native. U.S.A., ALASKA COUNTY: Vacant lots, Fairbanks. J. William Thompson 11955 7 Jul 1935 Elev. 480 ft. Phenology: Fruits. WTU-33156 Elbert L. Little Jr. 18276 30 May 1961 Betulaceae WTU-250186 Betula papyrifera Marshall Betulaceae U.S.A., WASHINGTON, KING COUNTY: Near Union Bay, Lake Washington, State University, Seattle. Betula papyrifera Marshall 47.64944°, -122.28667°; WGS 84, uncertainty: 5000 m., Source: GeoLocate, Georef'd by WTU Staff U.S.A., WASHINGTON, PEND OREILLE COUNTY: Alluvial soil. Phenology: Fertile. Origin: Native. 14 miles north of Metaline Falls. Elev. 2600 ft. Lyman Benson 1484 29 May 1929 48.988889°, -117.3025°; NAD 27, uncertainty: 10000 m., Source: Georeferenced, Georef'd by WTU Staff WTU-43500 Open woods near highway. Phenology: Fertile. Origin: Native. C. Leo Hitchcock 2932 15 May 1936 WTU-5342JWT Betulaceae Betulaceae Betula neoalaskana Sarg. Betula ×utahensis Britton U.S.A., ALASKA COUNTY: U.S.A., IDAHO, NEZ PERCE COUNTY: 40 miles southeast of Fairbanks, near mile 315, Alaska Highway, Along Hatorai Creek. near Harding Lake. Phenology: Fertile. Elev. 900 ft. Upland forest of Populus tremuloides, Betula, Picea glauca. J. H. Sandberg 33 24 Apr 1892 Phenology: Fruits. with D. T. Macdougal, J. B. Leiberg Elbert L. Little Jr. 18203 23 May 1961 WTU-76567 WTU-250110 Betulaceae Betulaceae Betula occidentalis Hook. Betula neoalaskana Sarg. U.S.A., OREGON, GRANT COUNTY: Along the South Fork of the John Day River, 8 miles south of U.S.A., ALASKA COUNTY: Dayville. 40 miles southeast of Fairbanks, near mile 315, Alaska Highway, Elev. 2700 ft. near Harding Lake. T14S R26E S12; NAD 27, uncertainty: 805 m., Source: TRS2LL, Elev. 900 ft. Georef'd by Ben Legler Upland forest of Populus tremuloides, Betula, Picea glauca. Tall shrub (up to 6 meters) with several ascending eret stems. Phenology: Fertile. Phenology: Fertile. Origin: Native. Elbert L. Little Jr. 18199 23 May 1961 Arthur Cronquist 6997 24 May 1953 WTU-250111 WTU-154976 Betulaceae Betulaceae Betula neoalaskana Sarg. Betula neoalaskana Sarg. U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: McKinley National Park; Trail Fairbanks to College of Agriculture. Central. Elev. 150 m. Elev. 930 ft. Open birch & spruce woods. In groves, especially on hillslopes. Poorly drained slope. Phenology: Fruits. Tree, erect, up to 18 meters, in seed, diameter 1 meter, bark white and papery. Phenology: Fertile. Elbert L. Little Jr. 18263 29 May 1961 Ynes Mexia 2291 30 Aug 1928 WTU-250138 WTU-30046 Betulaceae Betulaceae Betula occidentalis Hook. Betula ×utahensis Britton U.S.A., WASHINGTON, YAKIMA COUNTY: Near Hiway [Highway] 97, along Logy Creek. U.S.A., IDAHO, IDAHO COUNTY: 46.205596°, -120.476744°; WGS 84, uncertainty: 10000 m., River above Selway Falls. Source: GeoLocate, Georef'd by WTU Staff T31N R9E; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Upper sonoran life zone. Phenology: Fertile. Origin: Native. Georef'd by WTU Staff Moist shaded banks of the river; Canadian Zone. Phenology: Cones. C. L. Hitchcock 3388 8 May 1938 with J. S. Martin L. Constance 1667 31 May 1936 with R. C. Rollins WTU-45298 WTU-9638JWT Betulaceae Betulaceae Betula papyrifera Marshall var. alaskana Rigg. Betula occidentalis Hook. U.S.A., ALASKA COUNTY: Several miles south of Central Ranger Station, Steese Highway. U.S.A., IDAHO, ELMORE COUNTY: Mixed birch-spruce forest. Phenology: Fertile. Jackass Creek, 2 miles east of Arrow Rock Reservoir. 43.551799°, -115.682897°; WGS 84, uncertainty: 10000 m., Jean H. Langenheim 4311 23 Aug 1956 Source: GeoLocate, Georef'd by WTU Staff Along creek. Plants 20 feet tall. Phenology: Fertile. Origin: Native. WTU-177174 C. L. Hitchcock 15468 18 Jun 1947 WTU-115299 Betulaceae Betulaceae Betula pendula Roth Betula pendula Roth U.S.A., WASHINGTON, KING COUNTY: U.S.A., WASHINGTON, KING COUNTY: Near north shore of Lake Sammamish, east of Sammamish River, Between gas station and Route 520 ramp; 0.2 kilometers east of Marymoor Park. Portage Bay, Montlake, Seattle. Elev. 32 ft. Elev. 49 ft. T25N R5E S13 NE 1/4; NAD 27, uncertainty: 805 m., Source: T25N R4E S21 NE 1/4 of NE 1/4; NAD 27, uncertainty: 805 m., TRS2LL, Georef'd by Ben Legler Source: TRS2LL, Georef'd by Ben Legler Weed naturalized in open wet woods. Phenology: Flowers & Fruits. In hedgerow, disturbed ground, with Rubus discolor, Acer Origin: Introduced. macrophyllum. Weed. Phenology: Fruits. Origin: Introduced. P. F. Zika s.n. 7 Oct 1999 P. F. Zika 13675 25 Oct 1998 with A. L. Jacobson WTU-337373 WTU-14566 Betulaceae Betulaceae Betula ×utahensis Britton Betula ×utahensis Britton CANADA, BRITISH COLUMBIA: CANADA, BRITISH COLUMBIA: Kinbasket Lake, south of upper Columbia Valley. Mabel Lake. Whenever there is a forest edge of much second growth, from cold 50.569379°, -118.725281°; uncertainty: 20000 m. cedar-hemlock far into dry south of upper Columbia valley. Common; Phenology: Fertile. tree 30 feet high, 6 inches in diameter 4 feet above ground. Phenology: Cones. V. J. Krajina s.n. 23 Aug 1950 T. T. McCabe 5338 25 Sep 1937 WTU-215611 WTU-78244 Betulaceae Betulaceae Betula occidentalis Hook. Betula occidentalis Hook. CANADA, BRITISH COLUMBIA: Lulu Island. U.S.A., OREGON COUNTY: Elev. 16-32 ft. Eastern Oregon. 49° 10' N, 123° 5' W 44.04152°, -118.799933°; WGS 84, uncertainty: 273093 m., Peat bog. Phenology: Fertile. Source: Digital Map, Georef'd by Joseph Stormer Along streams. Collection day not recorded. Phenology: Fertile. V. J. Krajina 966 14 Aug 1949 Origin: Native. WTU-215898 Thomas J. Howell s.n. Jul 1881 WTU-17140JWT Betulaceae Betula ×utahensis Britton Betulaceae U.S.A., WASHINGTON COUNTY: Betula pendula Roth Viola. Phenology: Fertile. Origin: Native. U.S.A., WASHINGTON, KING COUNTY: Marsh Island, Union Bay, Seattle. H. T. Darlington s.n. 18 May 1912 Elev. 13 ft. T25N R4E S21 NE 1/4; NAD 27, uncertainty: 805 m., Source: WTU-32215 TRS2LL, Georef'd by Ben Legler In wetlands, with Populus, Salix lucida, S. sitchensis, Spiraea douglasii, Lythrum salicaria. Naturalized trees, to 4 meters tall, Betulaceae common. Phenology: Fruits. Origin: Introduced. Betula pendula Roth P. F. Zika 13649 9 Oct 1998 U.S.A., WASHINGTON, KING COUNTY: WTU-337365 Panther Lake, 2.5 miles west of Lake Youngs, 4 miles south of Renton. Elev. 443 ft. Betulaceae T22N R5E S5 SE 1/4; NAD 27, uncertainty: 200 m., Source: Georeferenced, Georef'd by WTU Staff Betula occidentalis Hook. Naturalized in bog mat, with Carex arcta, Sphagnum. Leaves yellow, weedy shrubs. Phenology: Fruits. Origin: Introduced. U.S.A., IDAHO, LEMHI COUNTY: Along Panther Creek 8 miles above Cabin Creek. P. F. Zika 14609 15 Oct 1999 44.88008°, -113.979338°; WGS 84, uncertainty: 1000 m., Source: with F. Weinmann GeoLocate, Georef'd by WTU Staff Plants 10 feet tall. Phenology: Vegetative. Origin: Native. WTU-339454 C. L. Hitchcock 14273 1 Jul 1946 with C. V. Muhlick WTU-107561 Betulaceae Betulaceae Betula pendula Roth Betula occidentalis Hook. U.S.A., WASHINGTON, KING COUNTY: CANADA, BRITISH COLUMBIA: Marsh Island, Union Bay, Seattle. Banks of the Kootenary River, 17 miles northeast of Kimberley. Elev. 13 ft. In sandy soil, brushy west bank. Bark gray, not flaking off like paper. T25N R4E S21 NE 1/4; NAD 27, uncertainty: 805 m., Source: Phenology: Fertile. TRS2LL, Georef'd by Ben Legler In wetlands, with Populus, Salix lucida, S. sitchensis, Spiraea W. A. Weber 2399 9 Jul 1941 douglasii, Lythrum salicaria. Common naturalized tree 4 meters tall. Phenology: Flowers & Fruits. Origin: Introduced. WTU-76635 P. F. Zika 13649 9 Oct 1998 Betulaceae WTU-336840 Betula pendula Roth Betulaceae U.S.A., OREGON, MULTNOMAH COUNTY: Troutdale; west side of Sandy River near its confluence with the Betula occidentalis Hook. Columbia River. Elev. 29 ft. CANADA, BRITISH COLUMBIA: T1N R3E SDLC60 Between Salmon Arm and Notch Hill. Associated species: Populus, Salix, Rubus, Agrostis, Pseudotsuga. Phenology: Fertile. Tree to 6.1 meters tall, naturalized. Phenology: Flowers & Fruits. Origin: Introduced. V. J. Krajina s.n. 26 Aug 1950 Richard R. Halse 5188 17 Sep 1996 WTU-215612 WTU-337537 Betulaceae Betulaceae Betula pendula Roth Betula occidentalis Hook. U.S.A., WASHINGTON, KING COUNTY: North half of Mercer Slough, Bellevue. CANADA, BRITISH COLUMBIA: Elev. 16 ft. Vaseaux Lake, south of Okanagan Valley.. T24N R5E S5 E 1/2; NAD 27, uncertainty: 805 m., Source: Lake shore, open, rocky. Tree 15 feet high. Phenology: Fertile. TRS2LL, Georef'd by Ben Legler Damp ground, thickets. Naturalized weed, twigs pendant, bark white T. T. McCabe 5879 5 May 1938 with rough black zones at base of trunk. Phenology: Flowers & Fruits. Origin: Introduced. WTU-75092 P. F. Zika 14549 6 Oct 1999 Betulaceae WTU-342076 Betula pendula Roth Betulaceae CANADA, BRITISH COLUMBIA: South end of 72nd Street, city of Delta, South of Fraser River. Betula occidentalis Hook. Elev. 6 ft. In cranberry fields and in adjacent undisturbed peatlands, with Viola U.S.A., IDAHO, LEMHI COUNTY: lanceolata, Rumex acetosella. White bark, drooping branches, About 20 miles north of Challis, east of Salmon River. common weed. Phenology: Flowers & Fruits. 45.408409°, -114.021275°; WGS 84, uncertainty: 5000 m., Source: GeoLocate, Georef'd by WTU Staff P. F. Zika 14391 23 Sep 1999 Along bank. Trees 20 feet tall, samara wings at least as broad as long, bracts and samaras puberulent. Phenology: Fertile. Origin: WTU-340612 Native. C. L. Hitchcock 9029 16 Jun 1944 Betulaceae with C. V. Muhlick Betula pubescens Ehrh. WTU-90835 U.S.A., OREGON, MULTNOMAH COUNTY: Campus of Reed College, near southeast Woodstock Boulevard, Betulaceae Portland. Elev. 98 ft. Betula ×utahensis Britton T1S R2E On dirt banks, disturbed ground & hedgerows. Seedlings, wind-sown U.S.A., IDAHO, IDAHO COUNTY: weeds; a cultivated fruiting tree, white-barked. Sheet 1 of 2. Lowell-Kooskia Road, 3 miles west of Lowell. Phenology: Flowers & Fruits. T32N R6E S12; WGS 84, uncertainty: 1000 m., Source: GeoLocate, Georef'd by WTU Staff P. F. Zika 15129 26 Jul 2000 On river's edge in sandy-silt. Tree to 8 meters tall. Phenology: Cones. WTU-342761 Quentin Jones 58 17 Jun 1950 WTU-143703 Betulaceae Betulaceae Betula ×utahensis Britton Betula pubescens Ehrh. ssp. pubescens U.S.A., WASHINGTON, WHITMAN COUNTY: U.S.A., WASHINGTON, GRAYS HARBOR COUNTY: East wall of Almota Canyon, above Almota. Cranberry Road, ca. 0.5 miles north of county line. 46.70306°, -117.46833°; WGS 84, uncertainty: 10000 m., Source: Elev. 16 ft. GeoLocate, Georef'd by WTU Staff T15N R11W S7; NAD 27, uncertainty: 805 m., Source: TRS2LL, Moist shady cliff base. Small tree, 20-30 feet, bark bronze. Georef'd by Ben Legler (TOPOTYPE, Betula piperi Britton ?). Phenology: Fertile. Origin: Adventive in cultivated cranberry fields abandoned ca. 5 years ago, Native. with Triglochin, Rumex acetosella. Scattered weed to 2 meters tall. Phenology: Fruits. L. Constance 1043 27 Apr 1935 with L. Machlis, B. Rogers, R. C. Rollins P. F. Zika 13809 15 Jun 1999 WTU-31774 WTU-342018

Betulaceae Betulaceae Betula ×utahensis Britton Betula pubescens Ehrh. ssp. pubescens U.S.A., WASHINGTON, WHITMAN COUNTY: U.S.A., WASHINGTON, PACIFIC COUNTY: Union Flat Creek, west of Colfax. Jim Street, 2 km northeast of Seaview. 46.798523°, -117.410059°; WGS 84, uncertainty: 10000 m., Elev. 16 ft. Source: GeoLocate, Georef'd by WTU Staff T10N R11W S22 NW 1/4; NAD 27, uncertainty: 805 m., Source: Thickets. Phenology: Fertile. Origin: Native. TRS2LL, Georef'd by Ben Legler In damp ground, with Ledum, Spiraea, Myrica gale, old trail through H. ST. John 6198 23 May 1923 peatland. Brown to white peeling bark, self-sown and naturalized. with F. L. Pickett Phenology: Flowers & Fruits. WTU-89206 P. F. Zika 14191 31 Aug 1999 WTU-340096 Betulaceae Betula pubescens Ehrh. Betulaceae U.S.A., OREGON, MULTNOMAH COUNTY: Betula ×utahensis Britton Campus of Reed College, near southeast Woodstock Boulevard, Portland. U.S.A., OREGON, WALLOWA COUNTY: Elev. 98 ft. Upper Imnaha River between Imnaha and College Creek Ranger T1S R2E Station. On dirt banks, disturbed ground & hedgerows. Seedlings, wind-sown On roadbanks. Phenology: Fertile. weeds; a cultivated fruiting tree, white-barked. Sheet 2 of 2. Phenology: Flowers & Fruits. A. R. Kruckeberg 2327 18 Jul 1950 P. F. Zika 15129 26 Jul 2000 WTU-138063 WTU-342762 Betulaceae Betulaceae Betula pubescens Ehrh. ssp. pubescens Betula ×utahensis Britton U.S.A., WASHINGTON, PACIFIC COUNTY: Jim Street, 2 km northeast of Seaview. CANADA, BRITISH COLUMBIA: Elev. 16 ft. 5 miles east of Osoyoos, Victoria. T10N R11W S22 NW 1/4; NAD 27, uncertainty: 805 m., Source: Elev. 2200 ft. TRS2LL, Georef'd by Ben Legler 49° 1' N, 119° 24' W In damp ground, with Ledum, Spiraea, Myrica gale, old trail through Phenology: Fertile. peatland. Brown to white peeling bark, self-sown and naturalized. Phenology: Flowers & Fruits. T. C. Brayshaw s.n. 24 Jun 1972 P. F. Zika 14190 31 Aug 1999 WTU-261015 WTU-340095 Betulaceae Betula pumila L. U.S.A., WASHINGTON, KING COUNTY: North half of Mercer Slough, Bellevue. Elev. 16 ft. T24N R5E S5 E 1/2; NAD 27, uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler Damp ground, thickets. Naturalized weed, gray bark, twigs not pendant. Phenology: Flowers & Fruits. P. F. Zika 14551 6 Oct 1999 WTU-342073 Betulaceae Betulaceae Betula pubescens Ehrh. Betula occidentalis Hook. CANADA, BRITISH COLUMBIA: U.S.A., OREGON, DESCHUTES COUNTY: 0.5 miles south of Westminster Road on Sidaway Road, southeast 1.5 miles east of Sisters, along Highway 28 and Indian Ford Creek. Lulu Island, city of Richmond. Elev. 3100 ft. Elev. 16 ft. T15S R10E S10 N1/2; NAD 27, uncertainty: 805 m., Source: In wet peaty soil, full sun, with Vaccinium macrocarpon, Juncus TRS2LL, Georef'd by Ben Legler effusus, Spiraea douglasii, ditches among cranberry fields, and On brushy stream bank, with Salix, Alnus, sandy soil. Shrub or tree, forest edges (also commonly cultivated in vicinity). Abundant weedy 2-4 meters high. staminates catkins brown, pistillate spikes green. shrub or small tree, fully naturalized. [Two specimens on this page: Phenology: Fertile. Origin: Native. also Betula pendula]. Phenology: Fruits. Albert N. Steward 6714 22 May 1954 P. F. Zika 13679 27 Oct 1998 WTU-186624 WTU-337357A Betulaceae Betulaceae Betula occidentalis Hook. Betula occidentalis Hook. U.S.A., OREGON, WHEELER COUNTY: U.S.A., WASHINGTON, CHELAN COUNTY: Along John Day River, near Kimberly. Bank of Entiat River. Sagebrush slopes. Phenology: Fertile. Origin: Native. Elev. 900 ft. 47.663398°, -120.236567°; WGS84, uncertainty: 10000 m., J. William Thompson 11955 7 Jul 1935 Source: GeoLocate, Georef'd by WTU Staff Phenology: Vegetative. Origin: Native. WTU-5341 G. E. Morrill 239 6 Aug 1933 Betulaceae WTU-26619 Betula occidentalis Hook. Betulaceae U.S.A., IDAHO, CASSIA COUNTY: One Mile Creek at Stanrod. Betula pendula Roth Along edge of creek. Abundant. Phenology: Fertile. Origin: Native. CANADA, BRITISH COLUMBIA: William H. Baker 8811 30 Aug 1951 0.5 miles south of Westminster Road on Sidaway Road, southeast Lulu Island, city of Richmond. WTU-155854 Elev. 16 ft. In wet peaty soil, full sun, with Vaccinium macrocarpon, Juncus effusus, Spiraea douglasii, ditches among cranberry fields, and Betulaceae forest edges (also commonly cultivated in vicinity). Abundant weedy shrub or small tree, fully naturalized. [Two specimens on this page: Betula occidentalis Hook. Betula pubescens]. Phenology: Flowers & Fruits. U.S.A., WASHINGTON, OKANOGAN COUNTY: P. F. Zika 13679 27 Oct 1998 Along Chilliwist Creek. 48.264004°, -119.730197°; WGS 84, uncertainty: 10000 m., WTU-337357B Source: GeoLocate, Georef'd by WTU Staff Phenology: Fertile. Origin: Native. Betulaceae Chas. B. Fiker 578 24 Apr 1932 Betula occidentalis Hook. WTU-17077JWT U.S.A., OREGON, KLAMATH COUNTY: Denny Creek west of Klamath Lake. Betulaceae Trees up to 8 inches in diamter, 40 feet high. Phenology: Vegetative. Origin: Native. Betula occidentalis Hook. Elmer I. Applegate 5159 26 Jul 1927 U.S.A., WASHINGTON, OKANOGAN COUNTY: Epsom Lake, Kruger Mountain, Oroville. WTU-8860JWT Elev. 2000 ft. 48.98806°, -119.49306°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff Phenology: Fertile. Origin: Native. Harold St. John 5476 14 Jul 1921 WTU-89180 Betulaceae Betulaceae Betula occidentalis Hook. Betula nana L. U.S.A., WASHINGTON, OKANOGAN COUNTY: U.S.A., ALASKA, BRISTOL BAY COUNTY: Near Tonasket. Bristol Bay; Kvichak River. Elev. 2000 ft. 58.927378°, -156.972699°; WGS 84, uncertainty: 17552 m., 48.705556°, -119.440556°; NAD 27, uncertainty: 10000 m., Source: Digital Map, Georef'd by Joseph Stormer Source: Georeferenced, Georef'd by WTU Staff Tundra. Phenology: Fertile. Origin: Native. Boggy Soil. Phenology: Fertile. Origin: Native. George Neville Jones s.n. Aug 1936 J. William Thompson 8675 2 Jul 1932 WTU-37074 WTU-17079JWT Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., MONTANA, GRANITE COUNTY: U.S.A., ALASKA COUNTY: Anaconda Mountains; Clark Fork River drainage, south of Big 16 miles north of Tetlin Junction. Johnson Lake, about 25 miles southwest of Philipsburg off of Wet, boggy; flat ridge; forest of Picea mariana. Shrub height 10 Highway 38. feets; D.B.H. 1 inches; bark reddish black, smooth, not peeling. Elev. 8000 ft. Phenology: Flowers. In a boulder filled area on the north side of the continental divide. Shrubs 1-1.5 meters tall. Phenology: Cones. Elbert L. Little Jr. 18234 28 May 1961 Patrick Elvander 514 28 Jul 1974 WTU-250132 WTU-263513 Betulaceae Betulaceae Betula nana L. ssp. exilis (Sukaczev) Hultén Betula nana L. U.S.A., ALASKA, NORTH SLOPE COUNTY: Northeast Alaska; Okpilak Valley, 1 kilometer west of West Okpilak U.S.A., ALASKA COUNTY: Lake. Mount McKinely National Park, near Wonder Lake Ranger Station, Elev. 1902 ft. about 60 miles southwest of McKinely Park Station. 69° N, 144° W; Misleading coordinates given only to nearest Alnus-Betula tundra, above timberline. Shrub, height 1 to 2 feet, degree. abundant, shrub firming mats, 1 to 2 feet high. Phenology: Fruits. Upland tundra. Moist shrub-tundra. Phenology: Fertile. Origin: Native. N. E. Grulke 7 Aug 1984 Elbert L. Little Jr. 18310 3 Jun 1961 with D. J. Marrett WTU-252428 WTU-305172 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., MONTANA, DEER LODGE COUNTY: CANADA, BRITISH COLUMBIA: Anaconda-Pintlar Range; along outlet of Storm Lake. Hart highway. Elev. 7600 ft. In many muskegs especially in "Groundbirch" district. Abundant, 46.079898°, -113.269384°; WGS 84, uncertainty: 900 m., Source: shrub 3-4 inches. Phenology: Cones. Digital Map, Georef'd by Joseph Stormer With Salix spp. in swampy creek bottom. Phenology: Cones. D. H. Calverley s.n. 1958 Klaus H. Lackschewitz 3626 20 Jun 1972 WTU-234857 WTU-258277 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., ALASKA COUNTY: Antler Creek on new road south of Clear. U.S.A., ALASKA COUNTY: Dry hillside, tundra-like. Low bushes. Phenology: Cones. Denali Hiway[Highway] mile 70. Gravel bench by roadside. Phenology: Cones. Maxcine Williams 2486 13 Jun 1970 Maxcine Williams 2367 7 Aug 1968 WTU-253060 WTU-254766 Betulaceae Betulaceae Betula nana L. Betula nana L. U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: Homer (at airport). [No locality given on label] Elev. 30 ft. Tundra. Very common all over tundra. Phenology: Fertile. Origin: Level slope, Picea mariana bog, bog soil. Shrub, height 1 to 2 feet, Native. common, associated with Ledum, other ericads, sphagnum. Phenology: Fertile. Origin: Native. J. B. Flett 1630 20 Jul 1900 Elbert L. Little Jr. 18418 11 Jun 1961 WTU-37074 WTU-252286 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., ALASKA COUNTY: Southcentral; seward area; 2 Lakes Trail, just west of town. CANADA, BRITISH COLUMBIA: Elev. 50 ft. Stum Lake. Collected at edge of bog between the lakes. Low shrub growing at Elev. 3900 ft. the bog/ hemlock-spruce forest ecotone; common in this habitat. 52° 16' N, 123° W Phenology: Cones. Dominating wet area. Phenology: Cones. Mary Stensvold 6592-2 11 Jun 1995 T. C. Brayshaw V64599 29 Jun 1971 with D. Barrett WTU-332943 WTU-261011 Betulaceae Betulaceae Betula nana L. Betula glandulosa Michx. U.S.A., ALASKA, KODIAK ISLAND COUNTY: Port Vita, Raspberry Strait, Raspberry Island, Kodiak Group. U.S.A., ALASKA COUNTY: 58.065079°, -153.074603°; WGS 84, uncertainty: 500 m., Source: 16 miles north of Tetlin Junction. Digital Map, Georef'd by Joseph Stormer Wet, boggy; forest on flat ridge; associated with Picea mariana. In Carex, Salix swamp. Phenology: Fertile. Origin: Native. Shrub height 6 feets; browsed by moose; bark reddish black. Phenology: Fertile. W. J. Eyerdam 3902 15 Aug 1945 Elbert L. Little Jr. 18241 28 May 1961 WTU-103173 WTU-250179 Betulaceae Betulaceae Betula glandulosa Michx. Betula nana L. U.S.A., ALASKA COUNTY: Chelatna Lake, south end; 100 miles northwest of Anochorage. U.S.A., ALASKA COUNTY: Elev. 1400 ft. Mount McKinley National Park, bogs near McKinley Park Railroad 62° 26' N, 151° 22' W station. Slope level; poorly drained, swampy; forest of Picea glauca. Shrub Phenology: Fruits. Origin: Native. height 3-5 feets; forming clumps. Phenology: Fertile. Aven Nelson 3674 4 Jul 1939 Elbert L. Little Jr. 18426 14 Jun 1961 with Ruth A. Nelson WTU-252287 WTU-74157 Betulaceae Betulaceae Betula nana L. Betula glandulosa Michx. U.S.A., ALASKA, NOME COUNTY: U.S.A., IDAHO, CUSTER COUNTY: Seward Peninsula: Nome; along Dry Creek. Along Iron Creek, north of Stanley, off of Route 21. 64.522564°, -165.351569°; WGS 84, uncertainty: 4149 m., Elev. 6900 ft. Source: Digital Map, Georef'd by Joseph Stormer 44° 12.057' N, 114° 59.66' W; T10N R13E S18 NW Tundra. Phenology: Fertile. Origin: Native. Streamside with Pinus contorta. Tree to 2 meters. Phenology: Cones. George Neville Jones 9047 Jul 1936 J. F. Smith 3766 24 Jul 1998 WTU-37070 WTU-341031 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., ALASKA COUNTY: CANADA, BRITISH COLUMBIA: Farewell, at airstrip. 155 miles northwest of Anchorage. Cariboo District: about 20 miles east of Vanderhoof, south side of Elev. 1600 ft. the highway. 62° 31' N, 153° 36' W At edge of small lake. Plants to about 6 feets tall. Phenology: Cones. Slope level; shrub tundra of Betula, Salix. Shrub height 2-3 feets. Phenology: Cones. C. L. Hitchcock 22110 3 Jul 1961 with C. V. Muhlick Elbert L. Little Jr. 18437 15 Jun 1961 WTU-209533 WTU-252279 Betulaceae Betulaceae Betula nana L. Betula glandulosa Michx. U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: North slope Borough, Atkasook, Meade River, 60 miles south of 16 miles north of Tetlin Junction. Barrow. Wet, boggy; forest of Picea mariana on flat ridge. Shrub height 5-7 70.483962°, -157.403845°; WGS 84, uncertainty: 10000 m., feets; browsed by moose; bark reddish black, smooth, not peeling. Source: Digital Map, Georef'd by Joseph Stormer Phenology: Cones. Phenology: Fertile. Origin: Native. Elbert L. Little Jr. 18238 28 May 1961 Beatrice R. Vogel s.n. 21 Jun 1978 WTU-250182 WTU-336567

Betulaceae Betulaceae Betula nana L. Betula glandulosa Michx. U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: McKinley National Park. Along traverse from Wonder Lake Fairbanks. Campground toward McKinley River. Elev. 480 ft. Elev. 1800 ft. Vacant lots, level; cutover forest of Picea mariana, Populus, Betula. 63.442113°, -150.855537°; WGS 84, uncertainty: 2000 m., Shrub height 3-6 feets; common; shrubs forming clumps, 3-6 feets; Source: Digital Map, Georef'd by Joseph Stormer bark blackish, smooth. Phenology: Cones. One of dominants. Phenology: Fruits. Origin: Native. Elbert L. Little Jr. 18277 30 May 1961 Jean H. Langenheim 4198 27 Jul 1956 WTU-250139 WTU-178930 Betulaceae Betulaceae Betula glandulosa Michx. Betula glandulosa Michx. U.S.A., ALASKA COUNTY: CANADA, BRITISH COLUMBIA: 16 miles north of Tetlin Junction. Eight miles north of Kimberley. Wet, boggy; forest of Picea mariana on flat ridge. Shrub height 3-6 49.798705°, -115.98196°; WGS 84, uncertainty: 8000 m., Source: feets; common; browsed by moose; bark dark gray, smooth, Digital Map, Georef'd by Joseph Stormer becoming reddish black. Phenology: Cones. Open burnt Yellow Piine barrens. Shrubs 7 feets high. Phenology: Flowers. Elbert L. Little Jr. 18239 28 May 1961 T. T. McCabe 6812 17 May 1938 WTU-250137 WTU-74991 Betulaceae Betulaceae Betula nana L. ssp. exilis (Sukaczev) Hultén Betula nana L. U.S.A., ALASKA COUNTY: Point Lay. Along north bank of Kukpowruk River between 1 and 2 U.S.A., ALASKA, NOME COUNTY: miles from its mouth on Kasegaluk Lagoon. Seward Peninsula: Nome; along Dry Creek. 69° 36' N, 163° W 64.522564°, -165.351569°; WGS 84, uncertainty: 4149 m., Plants prostrate to about 1 foot tall, branches stiff. Phenology: Fruits. Source: Digital Map, Georef'd by Joseph Stormer Tundra. Phenology: Fruits. Origin: Native. John H. Thomas 2260 2 Sep 1950 George Neville Jones 9047 Jul 1936 WTU-152766 WTU-12177 Betulaceae Betulaceae Betula glandulosa Michx. Betula nana L. ssp. exilis (Sukaczev) Hultén U.S.A., ALASKA COUNTY: U.S.A., ALASKA COUNTY: Near Miller House. In water at edge of pond, 5 miles northwest of Umiat. 65.524167°, -145.216111°; WGS 84, uncertainty: 10000 m., 69° 22' N, 152° 8' W Source: GeoLocate, Georef'd by Joseph Stormer Phenology: Fertile. Bank of a small stream. Phenology: Flowers & Fruits. Geo. H. Ward 1504 22 Aug 1952 R. John Taylor 3192 31 Jul 1965 WTU-193911 WTU-226509 Betulaceae Betulaceae Betula pumila L. Betula pumila L. U.S.A., WASHINGTON, KING COUNTY: U.S.A., WASHINGTON, KING COUNTY: Seattle. Mud Lake, near Seattle. 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., 47.660147°, -121.742545°; WGS 84, uncertainty: 300 m., Source: Source: Digital Map, Georef'd by Joseph Stormer Digital Map, Georef'd by Ibro Polovina Phenology: Fertile. Origin: Native. Phenology: Cones. Origin: Native. E. S. Meany s.n. 1898 H. W. Bailey s.n.673 22 May 1910 WTU-37063 WTU-281527 Betulaceae Betulaceae Betula pumila L. Betula nana L. ssp. exilis (Sukaczev) Hultén U.S.A., WASHINGTON, KING COUNTY: U.S.A., ALASKA COUNTY: Seattle. Boggy area on higher ground, Umiat. 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., 69° 22' N, 152° 8' W Source: Digital Map, Georef'd by Joseph Stormer Phenology: Fertile. Phenology: Fertile. Origin: Native. Geo. H. Ward 1419 13 Aug 1952 E. S. Meany s.n. 1898 WTU-193310 WTU-37069

Betulaceae Betulaceae Betula pumila L. Betula nana L. ssp. exilis (Sukaczev) Hultén U.S.A., WASHINGTON, KING COUNTY: U.S.A., ALASKA COUNTY: Mud Lake, Seattle. McKinley National Park. Flat north of savage camp. 47.27361°, -122.30944°; WGS 84, uncertainty: 10000 m., Source: Elev. 2952 ft. GeoLocate, Georef'd by WTU Staff Open spruce woods. Forms thickets covering great areas on slopes, Phenology: Fertile. Origin: Native. associated with Cinquefoil and dwarf Salix. Shrub, 1/2 to 1 meter. In catkin. Turns yellowish red, coloring hills. Phenology: Fruits. H. C. Stevens 672 20 Nov 1907 unknown 2108 27 Jul 1928 WTU-281528 WTU-29561 Betulaceae Betulaceae Betula pumila L. Betula pumila L. U.S.A., WASHINGTON, KING COUNTY: Seattle. U.S.A., WASHINGTON, PIERCE COUNTY: 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., Segualiche [Sequalitchew] Lake. Source: Digital Map, Georef'd by Joseph Stormer 47.11196°, -122.6061°; WGS 84, uncertainty: 1000 m., Source: [Branch on left: Betula papyrifera. Branch on right: Betula pumila. GeoLocate, Georef'd by WTU Staff Filed under Betula papyrifera.] Phenology: Fruits. Origin: Native. Phenology: Cones. Origin: Native. C. V. Piper s.n. 25 May 1891 C. V. Piper 183 27 May 1888 WTU-5914B WTU-5856 Betulaceae Betulaceae Betula nana L. ssp. exilis (Sukaczev) Hultén Betula nana L. ssp. exilis (Sukaczev) Hultén U.S.A., ALASKA COUNTY: U.S.A., ALASKA, NORTH SLOPE COUNTY: Mist Harbor, Shumagin Islands, low hill. Umiat, on the Colville River. Phenology: Fertile. 69° 22' N, 152° 8' W Phenology: Fertile. D. Martel 48 25 May 1935 Ira L. Wiggins 12902 18 Jul 1952 WTU-101473 WTU-193909 Betulaceae Betulaceae Betula nana L. ssp. exilis (Sukaczev) Hultén Betula nana L. ssp. exilis (Sukaczev) Hultén U.S.A., ALASKA, ALEUTIANS EAST COUNTY: Squaw Harbor, Alaska Peninsula. U.S.A., ALASKA COUNTY: 55.240593°, -160.53857°; uncertainty: 3200 m. Port Vista, Raspberry Strait, Raspberry Island, Kodiak group. Phenology: Fruits. 58.073032°, -153.102293°; uncertainty: 15000 m., Georef'd by Joseph Stormer G. N. Jones 8880 14 Jul 1936 Salix swamp. Small tree. Phenology: Fruits. Origin: Native. WTU-101471 W. J. Eyerdam 3843 1945 WTU-103158 Betulaceae Betula nana L. Betulaceae U.S.A., ALASKA, KODIAK ISLAND COUNTY: Betula occidentalis Hook. Port Vita, Raspberry Island. 58.065556°, -153.076792°; uncertainty: 3000 m., Georef'd by U.S.A., IDAHO, CASSIA COUNTY: Joseph Stormer Along the edge of 1 mile creek at stanrod. In Salix-Carex swamp. Small tree. Phenology: Fruits. Origin: Native. Abundant. Phenology: Fertile. Origin: Native. Walter J. Eyerdam 3843 25 Jul 1945 William H. Baker 8811 30 Aug 1951 WTU-103185 WTU-297897

Betulaceae Betulaceae Betula nana L. Betula occidentalis Hook. U.S.A., ALASKA, KODIAK ISLAND COUNTY: U.S.A., IDAHO, LATAH COUNTY: Port Vita, Raspberry Strait, Raspberry Island, Kodiak Group. South slope of Moscow Mountain, five miles notheast of Moscow. 58.065079°, -153.074603°; WGS 84, uncertainty: 500 m., Source: 46.7325°, -116.99917°; WGS 84, uncertainty: 10000 m., Source: Digital Map, Georef'd by Joseph Stormer GeoLocate, Georef'd by WTU Staff In Salix-Carex swamp. Low lying creeping bush. Phenology: Fertile. Woods. Phenology: Fertile. Origin: Native. Origin: Native. William H. Baker 8936 27 May 1952 W. J. Eyerdam 3847 25 Jul 1945 WTU-297981 WTU-103184 Betulaceae Betulaceae Betula occidentalis Hook. Betula nana L. ssp. exilis (Sukaczev) Hultén U.S.A., IDAHO, BEAR LAKE COUNTY: U.S.A., ALASKA, NORTH SLOPE COUNTY: Along the banks of St. Charles Creek, Doglas fir zone, 3.5 miles 50 miles south and east of Point Barrow; 25 miles from the mouth of west of St. Charles. the Meade River. Phenology: Fertile. Origin: Native. 70.702789°, -156.865015°; WGS 84, uncertainty: 25000 m., Source: Digital Map, Georef'd by Joseph Stormer William H. Baker 9427 22 Jul 1952 Phenology: Fertile. WTU-297982 John Putnam 48 22 Jul 1973 with Eskimo student assistants WTU-261009 Betulaceae Betulaceae Betula occidentalis Hook. Betula occidentalis Hook. U.S.A., IDAHO, LATAH COUNTY: U.S.A., IDAHO, IDAHO COUNTY: Along the edge of Gnat Creek at the base of Moscow mountain, 5 Snake River Canyon, Willow Creek. miles northeast of Moscow. 45.637858°, -116.11043°; WGS 84, uncertainty: 10000 m., 46.784584°, -116.925634°; WGS 84, uncertainty: 500 m., Source: Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Phenology: Fruits. Origin: Native. Phenology: Fertile. Origin: Native. Martha R. Flahaut 2623 9 Apr 1932 William H. Baker 5743 4 May 1949 WTU-332155 WTU-297980 Betulaceae Betulaceae Betula glandulosa Michx. Betula occidentalis Hook. U.S.A., IDAHO, VALLEY COUNTY: U.S.A., IDAHO, BANNOCK COUNTY: Boise National Forest, Warm Lake, in and around outlet. Mink Creek Canyon, 5 miles south of Pocatello. Elev. 5300 ft. T8S R35E S5 & 6; WGS 84, uncertainty: 1000 m., Source: 44° 38' N, 115° 41' W; T15N R7E S10 NE GeoLocate, Georef'd by WTU Staff Tree (shrubby) to 2 meters. Phenology: Fertile. Origin: Native. Phenology: Fertile. Origin: Native. James F. Smith 3175 10 Jul 1994 R. L. Lingenfelter 622 30 Apr 1949 WTU-330989 WTU-173639 Betulaceae Betulaceae Betula occidentalis Hook. Betula occidentalis Hook. U.S.A., IDAHO, OWYHEE COUNTY: U.S.A., IDAHO, OWYHEE COUNTY: Along Williams Creek, 15 miles southeast of Jordan Valley. Jump Creek Canyon, 7 miles northwest of Marsing. 42.875586°, -116.929022°; WGS 84, uncertainty: 10000 m., Elev. 2500 ft. Source: GeoLocate, Georef'd by WTU Staff 43.596172°, -116.901914°; WGS 84, uncertainty: 1000 m., Phenology: Fruits. Origin: Native. Source: GeoLocate, Georef'd by WTU Staff Wet gravelly soil, valley exposure. Erect tree, up to 30 feet high. William H. Baker 7968 16 Jul 1951 Common on creek bank with Rosa, Rhus, Salix, and Philadelphus lewisii. Phenology: Fruits. Origin: Native. WTU-261164 J. Morris Johnson 217 25 Mar 1960 Betulaceae WTU-197861 Betula ×utahensis Britton Betulaceae U.S.A., OREGON COUNTY: Along the Umatilla River near Bingham Springs, Blue Mountains. Betula occidentalis Hook. Elev. 2512 ft. 45.740935°, -118.233709°; uncertainty: 4000 m., Georef'd by U.S.A., IDAHO, CLARK COUNTY: Joseph Stormer Along Birch Creek, 3 miles northwest of Blue Dome. A small tree, 15-20 meters; light colored bark. Phenology: Flowers & 44.195905°, -112.948697°; WGS 84, uncertainty: 1000 m., Fruits. Origin: Native. Source: GeoLocate, Georef'd by WTU Staff Shrubs to 12 feet tall. Phenology: Fertile. Origin: Native. Wm. C. Cusick 3267 26 Jun 1908 C. L. Hitchcock 23870 7 Jul 1965 WTU-359081 WTU-224092 Betulaceae Betulaceae Betula papyrifera Marshall Betula occidentalis Hook. U.S.A., OREGON COUNTY: Blue Mountains. U.S.A., IDAHO, IDAHO COUNTY: A small tree, 10-15 meters high, with brown bark; 1-12 from common Sheep creek. In narrow gavine, in agropyron-poa secunda zone. root. Phenology: Flowers & Fruits. Origin: Native. 45.34206°, -116.3489°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff Wm. C. Cusick 3616 8 Apr 1910 Phenology: Fruits. Origin: Native. WTU-359082 R. F. Daubenmire 3718 5 Apr 1937 WTU-182496 Betulaceae Betulaceae Betula pendula Roth Betula glandulosa Michx. U.S.A., WASHINGTON, KING COUNTY: U.S.A., WASHINGTON, KLICKITAT COUNTY: Northwest shore of Lake Union, north Northlake Way near Stone Big Klickitat River, Cascade Mountains. Way north. Fremont, Seattle. 45.815104°, -121.149862°; WGS 84, uncertainty: 10000 m., Elev. 19 ft. Source: GeoLocate, Georef'd by WTU Staff T25N R4E S18; NAD 27, uncertainty: 805 m., Source: TRS2LL, In and borders of swamps; Eastern & Western Washington. A bush. Georef'd by Ben Legler Two specimens on this sheet from McAllister's Lake and Big Klickitat Several self-sown sprouts, the smallest pubescent (thus juvenile River, Washington. [Mixed collection. Also on sheet: Betula pumila. shoots similar to B. pubescens). Phenology: Fruits. Origin: Filed under Betula pumila.] Phenology: Fruits. Origin: Native. Introduced. Louis F. Henderson s.n. 5 Aug 1892 P. F. Zika 15831 29 Mar 2001 with A. L. Jacobson WTU-5887B WTU-358859 Betulaceae Betulaceae Betula glandulosa Michx. Betula pendula Roth U.S.A., OREGON, LAKE COUNTY: U.S.A., WASHINGTON, SKAGIT COUNTY: Fremont-Winema National Forest. North Fork Sprague River at 1/2 mile west of the end of Rawlins Road, on south shore of North Forest Service Road 3411 crossing near Sandhill Campground. Fork Skagit River near its mouth; 2.6 miles southeast of La Conner. Elev. 6087 ft. Elev. 5 ft. 42° 35.619' N, 120° 52.626' W; NAD 27 48° 21' 26" N, 122° 28' 1" W Damp grassy bench along river. Other plants; Pinus contorta, Open grassy slightly brackish marsh bordering river. Medium-sized Artemesia arbuscula, Salix exigua, Juncus sp. Green fruit. Shrub 2 trees to 10 meters tall with strongly pendulous branches, white bark. meters tall. Phenology: Flowers & Fruits. Origin: Native. Phenology: Flowers. Origin: Introduced. Don Knoke 507 1 Jul 2004 Ben Legler 1412 28 Mar 2004 WTU-365797 WTU-361622 Betulaceae Betulaceae Betula occidentalis Hook. Betula occidentalis Hook. U.S.A., WASHINGTON, CHELAN COUNTY: U.S.A., WASHINGTON, SPOKANE COUNTY: 0.1 miles up Swakane Canyon Road from Highway Alternate 97. Silver Lake. Elev. 852 ft. 47.55972°, -117.65333°; WGS 84, uncertainty: 1000 m., Source: 47° 32.769' N, 120° 17.607' W; NAD 27, Source: GPS GeoLocate, Georef'd by WTU Staff Dry steep loose slopes around brushy seasonal creek. Small trees to Common along streams in Eastern Washington and sparingly along 8 meters tall along creek; multi-stemmed. Phenology: Flowers. the Puget [word is illegible - but my guess] Sound. Sometimes a fine Origin: Native. tree. Phenology: Fruits. Ben Legler 2644 20 May 2005 Louis F. Henderson s.n. 13 Jul 1892 WTU-374084 WTU-5876 Betulaceae Betulaceae Betula papyrifera Marshall Betula pumila L. U.S.A., WASHINGTON, SNOHOMISH COUNTY: U.S.A., WASHINGTON, THURSTON COUNTY: NW corner of Arlington Municipal Airport property on south side of McAllister's [Springs] Lake. 188th St. NE; 3.3 air miles SW of Arlington. 47.0283°, -122.72408°; WGS 84, uncertainty: 500 m., Source: Elev. 130 ft. GeoLocate, Georef'd by WTU Staff 48° 9' 57" N, 122° 10' 45" W; NAD 27, Source: Digital map In and borders of swamps; Eastern & Western Washington. A bush. Mix of open occasionally mowed fields and young forest of Two specimens on this sheet from McAllister's Lake and Big Klickitat Pseudotsuga, Betula, Prunus emarginata, Amelanchier, Gaultheria River, Washington. [Mixed collection. Also on sheet: Betula shallon, Polulus tremuloides; dry gravelly soil. Small trees to 15 glandulosa. Filed under Betula pumila.] Phenology: Fruits. Origin: meters tall, much-branched; bark white to light coppery, peeling Native. horizontally. Phenology: Flowers. Origin: Native. Louis F. Henderson s.n. 22 Jun 1892 Ben Legler 3123 25 Jan 2006 WTU-5887A Herbarium: WTU Betulaceae Betulaceae Betula occidentalis Hook. Betula pendula Roth U.S.A., WASHINGTON, KITTITAS COUNTY: U.S.A., OREGON, BENTON COUNTY: Along Hwy 821 on east side of Yakima River in river canyon ca. 1 Blueberry Drive, near junction of 53rd and Route 20/34; southwest mile north of mouth of Umptanum Creek. section of city of Corvallis. Elev. 1340 ft. Elev. 260 ft. 46° 52' N, 120° 28' 33" W; WGS 84, uncertainty: 1000 m., T12S R5W S5 SW 1/4; NAD 27, uncertainty: 805 m., Source: Source: Digital map TRS2LL, Georef'd by Ben Legler Steep rocky river bank with scattered Salix, Alnus, and Betula. Small Self-sown weed, in vicinity of cultivated ornamentals. Phenology: trees on river bank; bark dark coppery, smooth; much-branched; Vegetative. Origin: Introduced. collected from same tree as Legler 1600. Phenology: Flowers. Origin: Native. Peter F. Zika 11936 30 Sep 1992 Ben Legler 3166 10 Feb 2006 WTU-368569 Herbarium: WTU Betulaceae Betulaceae Betula papyrifera Marshall Betula pendula Roth U.S.A., WASHINGTON, SNOHOMISH COUNTY: U.S.A., WASHINGTON, KING COUNTY: West of Bryant. Montlake Fill east of University of Washington Campus, Seattle. T32N R5E S29; NAD 27, uncertainty: 805 m., Elev. 30 ft. Source: TRS2LL, Georef'd by Ben Legler 47° 39' 21" N, 122° 17' 43" W; WGS 84, uncertainty: 200 m., Mixed conifer and Alnus rubra woods. Trees Source: Digital map circa 30 feet tall. [Located in teaching Open meadow-like area with scattered thickets and seasonally wet collection]. Phenology: Flowers. Origin: Native. depressions over an old capped landfill. Small tree on edge of parking area; branches pendulous. Phenology: Flowers. Origin: M. Arnot 598 Native. 4 Jun 1993 Ben Legler 3198 2 Mar 2006 WTU-327220, WTU-V-006476 Herbarium: WTU Betulaceae Betulaceae Betula occidentalis Hook. Betula pendula Roth U.S.A., WASHINGTON, KITTITAS COUNTY: U.S.A., WASHINGTON, SAN JUAN COUNTY: Along SR 821, 0.7 miles north of Umtanum Canyon parking lot. Southwest shore of Hummel Lake, Lopez Island, Puget Sound. Elev. 1345 ft. Elev. 100 ft. 46° 51.821' N, 120° 28.718' W; T16N R19E S20 T35N R2W S23 NE 1/4; WGS 84, uncertainty: 10000 m., Source: Uncommon; steep west-facing slope, dirt over basalt. Other plants: GeoLocate, Georef'd by WTU Staff Berberis aquifolium, Prunus virginiana, Ribes aureum, Clematis Damp thickets. Bark white, adventive, cultivated trees in vicinity. lingusticifolia. Phenology: Fertile. Origin: Native. Phenology: Flowers. Origin: Introduced. Cultivated. Don Knoke 1010 17 Apr 2006 P. F. Zika 15004 21 May 2000 WTU-365586 WTU-368705

Betulaceae Betulaceae Betula occidentalis Hook. Betula papyrifera Marshall U.S.A., WASHINGTON, KITTITAS COUNTY: U.S.A., WASHINGTON, PEND OREILLE COUNTY: Quilomene Island. Columbia River. West shore of reservoir on Pend Oreille River, 14 road miles south Elev. 584 ft. of Ione. 47° 5.194' N, 120° 2.04' W; WGS 84, Source: GPS Elev. 2050 ft. North-south running island to 5 meters high above river level; 48° 33' N, 117° 19.9' W; T35N R43E S11 lithosolic soils interspersed with large basaltic cobble. One tree on Thickets by railroad tracks, with Populus tremuloides, Amelanchier south end of island along shoreline. Phenology: Flowers. Origin: alnifolia. Grey-white bark, trees, common. Phenology: Flowers. Native. Origin: Native. Julie Combs 101 25 Apr 2007 Peter F. Zika 19515 9 May 2004 with David Giblin WTU-368900 WTU-376742 Betulaceae Betulaceae Betula pendula Roth Betula pendula Roth U.S.A., WASHINGTON, GRANT COUNTY: U.S.A., OREGON, MULTNOMAH COUNTY: Babcock Bench. Along lightly forested edge of Columbia River. Mouth of Sandy River, S shore of Columbia R., NE of Troutdale Elev. 540 ft. airport. 47° 9.9864' N, 120° 0.368' W Elev. 20 ft. Riparian strip dominated by Ulmus pumila and Morus alba. 8 meters T1N R3E S25 NW1/4 of NE1/4; NAD 27, uncertainty: 805 m., tall; uncommon. Phenology: Fruits. Origin: Introduced. Source: TRS2LL, Georef'd by Ben Legler With Populus trichocarpa, Prunus avium, Rubus discolor. Joe Arnett 08-53 29 Apr 2008 Naturalized, weedy over a quarter section, forming dense monocultures in places, 8 m tall bark white and peeling, fissured at WTU-380815 base. Phenology: Fertile. Origin: Introduced. P. F. Zika 11484 21 Apr 1992 Betulaceae WTU-372304 Betula occidentalis Hook. U.S.A., WASHINGTON, GRANT COUNTY: Betulaceae West shore of Deep Lake, Lower Grand Coulee. Elev. 1148 ft. Betula occidentalis Hook. T24N R28E S8; NAD 27, uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler U.S.A., WASHINGTON, LINCOLN COUNTY: Glutinous, to 6 meters tall, bark gray or brown, common. Phenology: U.S. Bureau of Land Management land at Coffeepot Lake. Wetland Flowers & Fruits. Origin: Native. just south of Coffeepot Road where stream goes under road. Elev. 1872 ft. Peter F. Zika 15086D 4 Jun 2000 47.50818° N, 118.54329° W; WGS 84, uncertainty: 2 m. Phalaris arundinacea dominated wet meadow with vernal gullies and WTU-372238 perennial marsh habitat dominated by Schoenoplectus. Scattered along edge of Phalaris meadow. Phenology: Fruits. Origin: Native. Betulaceae David Giblin 1891 26 Jun 2008 Betula occidentalis Hook. WTU-381559 U.S.A., WASHINGTON, DOUGLAS COUNTY: United States Department of the Interior, Bureau of Land Betulaceae Management land. Douglas Canyon. Vicinity of parking area at base of Slack Canyon. Betula glandulosa Michx. Elev. 1584 ft. 47.49858° N, 119.91239° W; WGS 84, uncertainty: 4 m. U.S.A., WASHINGTON, OKANOGAN COUNTY: South-facing basalt rimrock slope dominated by Artemisia tridentata Okanogan-Wenatchee National Forest. Pasayten Wilderness. West and Pseudoroegneria spicata; Douglas Creek riparian zone at base end of Remmel Lake where stream flows into lake. of slope. Sprawling shrub to 10 meters tall; common along riparian Elev. 6986 ft. area. Phenology: Flowers. Origin: Native. 48.95644° N, 120.2105° W; WGS 84, uncertainty: 6 m., Source: GPS Megan A. Jensen 704 22 May 2008 Broad, wet meadow dominated by Salix and Carex spp. with Pinus with David Giblin contorta forest on periphery. Growing along edge of stream feeding lake; scattered. Phenology: Fruits. Origin: Native. WTU-380957 David Giblin 2141 10 Aug 2008 Betulaceae WTU-376996 Betula pendula Roth Betulaceae U.S.A., WASHINGTON, SAN JUAN COUNTY: Betula glandulosa Michx. Near Second Street, Friday Harbor, San Juan Island, Puget Sound. Elev. 80 ft. U.S.A., WASHINGTON, OKANOGAN COUNTY: T35N R3W S13 NW; WGS 84, uncertainty: 10000 m., Source: Okanogan-Wenatchee National Forest. Pasayten Wilderness. GeoLocate, Georef'd by WTU Staff Spanish Camp area. Widely scattered wind-sown adventives, crack in concrete sidewalk. Elev. 6748 ft. Phenology: Fruits. Origin: Introduced. 48.96227° N, 120.23734° W; WGS 84, uncertainty: 50 m., Source: Digital map Peter F. Zika 15044 28 May 2000 Riparean area bordered by wet meadow and dry, rocky hills. Potentilla diversifolia abundant. Common along stream edge. WTU-372830 Phenology: Fruits. Origin: Native. David Giblin 2050 8 Aug 2008 WTU-376995 Betulaceae Betulaceae Betula pendula Roth Betula populifolia Marshall U.S.A., OREGON, BENTON COUNTY: U.S.A., WASHINGTON, KING COUNTY: North Corvallis; east side of State Highway 99W, between highway Near shore of Portage Bay; Montlake; Seattle. and railroad. Elev. 16 ft. Elev. 225 ft. T25N R4E S20; NAD 27, uncertainty: 805 m., Source: TRS2LL, UTM Zone 10, 479735E, 4936426N; NAD 27 Georef'd by Ben Legler Weedy meadow. With Schedonorus arundinaceus, Calystegia Circa 150 meters from cultivated Betula plants, open woods, with atriplicifolia. Several trees ranging from 1 to 3 meters in height. Rubus armeniacus, Acer macrophyllum, Populus balsamifera, Alnus Phenology: Flowers. Origin: Introduced. rubra, Polystichum munitum. White bark, not peeling, no black blocky patches, self-sown. Phenology: Fruits. Origin: Introduced. R.E. Brainerd 308 28 Apr 2003 Peter F. Zika 15893 17 Apr 2001 WTU-378451 WTU-375180 Betulaceae Betulaceae Betula pumila L. Betula pendula Roth U.S.A., WASHINGTON, KING COUNTY: Mercer Slough, near west shore of Lake Washington, Bellevue. U.S.A., WASHINGTON, BENTON COUNTY: 47.580824°, -122.183805°; WGS 84, uncertainty: 750 m., Source: West bank of Columbia River, near Nelson Island; south of campus Digital Map, Georef'd by John Haskins of Washington State University Tri-Cities; Richland. Boggy ground, with Ledum groenlandicum. Shrub 1.5 meters tall, Elev. 344 ft. common. Phenology: Fruits. Origin: Native. 46° 17' N, 119° 16.3' W; T10N R28E S35 Rocky fill, with Ailanthus, Robinia, Morus, Populus balsamifera, Salix Fred Weinmann s.n. 4 Nov 2001 exigua, Ulmus pumila. White bark, black rough zones at base of trunk; branches droop; 6 meter tree, adventive, uncommon, WTU-375399 naturalized. Phenology: Fruits. Origin: Introduced. Peter F. Zika 18048 6 Oct 2002 Betulaceae WTU-379038 Betula pendula Roth U.S.A., WASHINGTON, KING COUNTY: Betulaceae Shore of Portage Bay, Montlake, Seattle. Elev. 16 ft. Betula pendula Roth 47° 39' N, 122° 19' W; T25N R4E S21 Thickets at edge of damp woodland. Self-sown, thick white bark U.S.A., OREGON, LANE COUNTY: breaking into rough black zones, branches drooping, 10 meters tall. North of west 11th avenue, between north Danebo Avenue and Phenology: Fruits. Origin: Introduced. Beltline Highway, West Eugene, Eugene District of Bureau of Land Management. P. F. Zika 16309 20 Jun 2001 Elev. 393 ft. with A. L. Jacobson 44° 3' N, 123° 10.4' W Naturalized tree, bark white with black blocky cracks at base; blank WTU-375395 of Amazon Slough canal, full sun, wet prairie remnant. Phenology: Vegetative. Origin: Introduced. Betulaceae Peter F. Zika 10619 23 Aug 1988 Betula populifolia Marshall WTU-379736 U.S.A., WASHINGTON, KING COUNTY: Shore of Portage Bay, Montlake, Seattle. Betulaceae Elev. 16 ft. 47° 39' N, 122° 19' W; T25N R4E S21 Betula glandulosa Michx. Thickets at edge of damp woodland. Self-sown, smooth white bark, scarcely peeling, no black rough zones, 10 meters tall. Phenology: U.S.A., MONTANA, GRANITE COUNTY: Fruits. Origin: Introduced. Deerlodge National Forest. Sand Basin. Near junction of Forest Service Roads 5070 and 5071, along Sand Creek. P. F. Zika 16310 20 Jun 2001 Elev. 6260 ft. with A. L. Jacobson 46.2° N, 113.70377° W; WGS 84, Source: GPS Sandy mesic meadow along Sand Creek bordered by Pinus contorta WTU-375396 forest. Locally common throughout meadow. Phenology: Vegetative. Origin: Native. Julia Bent 10 11 Jul 2008 WTU-394058 Betulaceae Betulaceae Betula glandulosa Michx. Betula pendula Roth U.S.A., MONTANA, GRANITE COUNTY: U.S.A., OREGON, BENTON COUNTY: Deerlodge National Forest. Forest Service Road Eastern edge of Philomath at old Willamette Industries millsite. 78574 where it ends in large, open meadow. Elev. 300 ft. Elev. 6405 ft. UTM Zone 10, 472468E, 4932270N; NAD 27 46.19355° N, 113.70819° W; WGS 84, Bottom of drained log pond at edge of Salix hookeriana/Typha uncertainty: 10 m., Source: GPS latifolia marsh. With Salix hookeriana, Typha latifolia, Salix Scattered along stream edge; shrubs to 1 meter. scouleriana, Juncus effusus, Holcus lanatus. Tree, 8 meters tall. Phenology: Fruits. Origin: Native. Phenology: Fruits. Origin: Introduced. Maria Gerace 08-24 R.E. Brainerd 878 11 Jul 2007 11 Jul 2008 WTU-382407 WTU-400692, WTU-V-007200 Betulaceae Betula ermanii Cham. Betulaceae RUSSIAN FEDERATION, SAKHALIN REGION: Betula occidentalis Hook. Southeast Moneron Island; environs of creek and drainage basin; near Poyasnoy Islands. U.S.A., MONTANA, GRANITE COUNTY: Elev. 1026 ft. Lolo National Forest, Harry's Flat campground. 46° 14.728' N, 141° 15.344' E Elev. 4153 ft. North-facing slope with Betula thicket; dense herb understory. 46.53459° N, 113.75323° W; WGS 84 Thicket of about 10 trees; 15-30 feet tall; on steep north-facing Mixed conifer forest (Pseudotsuga, Pinus, Picea) with opening, wet slope; some in fruit. [Elevation derived from comment that this site is meadow, and riparian habitats. Young fruit; streamside. Phenology: 200 meters uphill from the river bank with Petasites grove]. Fruits. Origin: Native. Phenology: Fruits. Origin: Native. Richard G. Olmstead 2008-20 11 Jul 2008 Kari Stiles 2001-395 24 Aug 2001 WTU-394700 WTU-391798

Betulaceae Betulaceae Betula occidentalis Hook. Betula platyphylla Sukaczev U.S.A., WASHINGTON, GRANT COUNTY: RUSSIAN FEDERATION, SAKHALIN REGION: Northrup Canyon. Southern part of Sakhalin Island. Approximately 25 kilometers west Elev. 1826 ft. of Yuzhno-Sakhalinsk; north side of Tiobut River. Approximately 407 47° 52' 13" N, 119° 4' 26" W; WGS 84 kilometers east of junction with Lyntoga River. Ponderosa pine woodland, sagebrush openings; granitic substrate, Elev. 656 ft. talus slope; creek flowing along bottom of slopes. Phenology: 46° 58.639' N, 142° 14.876' E Flowers. Origin: Native. Hillside of dominantly Sasa, with occasional patches of Populus and Betula. Vegetative. Common in area. Patches throughout Sasa Brianne Cohen 09-21 2 May 2009 fields. Bark white, papery, and peeling. Phenology: Vegetative. Origin: Native. WTU-398264 Suzanne Joneson 2930 26 Jul 2001 Betulaceae WTU-390626 Betula papyrifera Marshall Betulaceae U.S.A., WASHINGTON, WHATCOM COUNTY: Ross Lake National Recreation Area. South of Lightning Creek at Betula middendorffi Trautv. & Mey. top of first large bald. Elev. 1853 ft. RUSSIAN FEDERATION, SAKHALIN REGION: 48.87232° N, 121.01394° W; WGS 84, uncertainty: 10 m., Northeast part of Sakhalin Island. Sea of Okhotsk side. North part of Source: GPS Odoptu Lake, east of town of Tungor. Light, open, vernally moist soil and adjacent forest understory; Elev. 0 ft. Pesudotsuga menziesii, Pinus contorta, Pinus ponderosa dominant 53° 25.996' N, 143° 3.873' E forest tree species. Locally common on edge of small pond in forest Mixed forest of Picea, Salix and Betula. Understory of Pinus pumila, understory. Phenology: Flowers. Origin: Native. grasses and herbs. With this year's "cones." Procumbent. Very common. Phenology: Fruits. Origin: Native. Russ Holmes 10-23 12 May 2010 Suzanne Joneson 3005 3 Aug 2001 WTU-381949 WTU-390970 Betulaceae Betulaceae Betula nana L. ssp. exilis (Sukaczev) Hultén Betula middendorffi Trautv. & Mey. RUSSIAN FEDERATION, SAKHALIN REGION: RUSSIAN FEDERATION, SAKHALIN REGION: Northeast part of Sakhalin Island. Southeast of Tungor Village. Northwestern tip of Sakhalin Island. Sakhalinsky Bay. Between Along coast near northern end of Piltun Bay. capes Tat'yany and Ukhodnoy. Elev. 0 ft. Elev. 0 ft. 53° 16.299' N, 143° 13.351' E 53° 37.473' N, 142° 30.122' E Lowland bog area with pond. Empetrum hummocks, and clumps of Scrubby Pinus pumila forest, with occasional sandy openings. Green Pinus pumila. With this year's "cones." Common. Growing as aments present. Growing at edge of forest, near bogs. Small shrub, low-lying, or creeping shrub. Phenology: Fruits. Origin: Native. up to 1.5 meters tall. Phenology: Fruits. Origin: Native. Suzanne Joneson 3052 4 Aug 2001 Suzanne Joneson 3296 13 Aug 2001 WTU-390657 WTU-390992

Betulaceae Betulaceae Betula ermanii Cham. ssp. lanata (Regel) A. Skvor. Betula nana L. ssp. exilis (Sukaczev) Hultén RUSSIAN FEDERATION, SAKHALIN REGION: RUSSIAN FEDERATION, SAKHALIN REGION: Northern tip of Sakhalin Island. Severnyy Bay, northeastern section. Northeast part of island. East of Piltun Village. Near southern end of Near Muni River. Astokh Bay. Elev. 308 ft. Elev. 0 ft. 54° 21.343' N, 142° 40.143' E 52° 41.94' N, 143° 19.214' E Plateau above beach. Picea dominant forest with mostly open Marshy areas and lake. Phenology: Fruits. Origin: Native. understory. Vegetative. Sporadic throughout forest. Phenology: Vegetative. Origin: Native. Suzanne Joneson 3608 18 Aug 2001 with Slava Barkalov Suzanne Joneson 3161 8 Aug 2001 WTU-391402 WTU-391992 Betulaceae Betulaceae Betula ermanii Cham. Betula middendorffi Trautv. & Mey. RUSSIAN FEDERATION, SAKHALIN REGION: RUSSIAN FEDERATION, SAKHALIN REGION: Southern tip of Moneron Island, just north of Cape Poyasnoy. Northwestern tip of Sakhalin Island. Sakhalinsky Bay. Elev. 196-262 ft. Elev. 0 ft. 46° 13.656' N, 141° 14.191' E 53° 51.869' N, 142° 41.744' E Mid-elevational meadows, western slope above river. In fruit. White Hills above lake. Site of old forest fire. Ericaceous herbs and small peeling bark. Common in thickets on hillside. Phenology: Fruits. shrubs dominant, with soil covered by lichens and mosses. With this Origin: Native. year's "cones." Low shrub, up to 70 centimeters tall. Common. Phenology: Fruits. Origin: Native. Suzanne Joneson 3711 24 Aug 2001 Suzanne Joneson 3224 10 Aug 2001 WTU-391786 WTU-391926 Betulaceae Betulaceae Betula ermanii Cham. ssp. lanata (Regel) A. Skvor. Betula occidentalis Hook. RUSSIAN FEDERATION, SAKHALIN REGION: Sakhalin Island, on the Schmidta Peninsula at northern end of U.S.A., WASHINGTON, GRANT COUNTY: island, slopes of Peak 604, 4 kilometers southwest of Tri Brata About 2 air miles southwest of Coulee city, about 20 air miles Mountain. north-northeast of Ephrata. Riparian zone along Meadow Creek. Elev. 1968 ft. Elev. 1200 ft. 54° 3' 40.68" N, 143° 43' 26.64" E T24N R27E S7 SE of SW; WGS 84, uncertainty: 500 m., Source: Windswept slopes dominated by Pinus pumila thickets, Vaccinium Nat. Geog. TOPO!, Georef'd by John Bassett vitis-idaea, Empetrum, Rhododendron, mosses, and lichens; with Riparian. Slope: 0%. Small trees about 20 feet tall. Leaves emergent scattered small rock outcrops. Bisected by gravel road leading to with flowers. Phenology: Flowers. Origin: Native. rock quarry. Trees to 10 meters tall; bark white. Phenology: Fruits. Origin: Native. H. Brae 74 21 Apr 2010 Ben Legler 1227 12 Aug 2003 WTU-383430 Herbarium: WTU Betulaceae Betulaceae Betula occidentalis Hook. Betula occidentalis Hook. U.S.A., WASHINGTON, LINCOLN COUNTY: U.S.A., WASHINGTON, OKANOGAN COUNTY: Along Lincoln Road in Redwine Canyon, 2.4 road miles southwest of [No locality given on label] junction with Welsh Creek Road, 3.6 air miles NE of Creston. T40N R26E S6 SW of NE; NAD 27, uncertainty: 805 m., Source: Elev. 572 m. TRS2LL, Georef'd by Ben Legler 47.802589° N, 118.474052° W; WGS 84, Source: GPS Riparian. Phenology: Fruits. Origin: Native. Moist canyon bottom with Aknus incana, Betula occidentalis, Populus tremuloides; adjacent slopes with Pinus ponderosa, Purshia Lisa Healy s.n. May 1994 tridentata, Balsamorhiza sagittata. Small trees along creek; common. Phenology: Flowers. Origin: Native. WTU-386780 Ben Legler 11716 9 May 2010 Betulaceae Herbarium: WTU Betula occidentalis Hook. Betulaceae U.S.A., WASHINGTON, LINCOLN COUNTY: Reiser Falls. Betula papyrifera Marshall T21N R35E S18; NAD 27, uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler U.S.A., WASHINGTON, SKAGIT COUNTY: Phenology: Fruits. Origin: Native. Trail along southeast margin of Skagit Regional Airport ca. 1/4 mile north of junction of Higgens Airport Way and Ovenell Road. Kathleen Robson s.n. 25 Jul 1989 Elev. 68 m. 48.462103° N, 122.413817° W; WGS 84, uncertainty: 29 m., WTU-387318 Source: GPS, Georef'd by Ben Legler Deciduous forest and mown grass along trail. Small trees to ca.10 meters tall; bark gray-bronze, peeling. Phenology: Fruits. Origin: Betulaceae Native. Betula pendula Roth Ben Legler 12011 3 Jul 2011 U.S.A., OREGON, BENTON COUNTY: Herbarium: WTU West Corvallis in vacant area east of 53rd Street and north of Western Boulevard. Elev. 260 ft. Betulaceae UTM Zone 10, 475511E, 4933765N; NAD 83 Weedy opening in young Douglas-fir plantation. With Pseudotsuga Betula pubescens Ehrh. menziesii, Crataegus monogyna, Rubus armeniacus. Tree, 5 meters tall; bark smooth, gray-brown. Phenology: Flowers. Origin: U.S.A., WASHINGTON, KING COUNTY: Introduced. Shore of Lake Washington, Foster Island, Seattle. Elev. 13 ft. R.E. Brainerd 1373 20 May 2009 47° 38.7' N, 122° 17.5' W Marshy shore; with Salix hookeriana, S. scouleriana, Juncus effusus, WTU-387863 Spiraea douglasii, Sphagnum. 2 meters tall, adventive shrub; occasional; in wet thicket. Phenology: Fruits. Origin: Introduced. Betulaceae Peter F. Zika 25111 5 Jul 2010 Betula papyrifera Marshall WTU-383766 U.S.A., WASHINGTON, SKAGIT COUNTY: Along Cascade River Road ca. 1.8 road miles west of Marblemount. Betulaceae Elev. 121 m. 48.527465° N, 121.390196° W; WGS 84, Betula occidentalis Hook. uncertainty: 13 m., Source: Digital Map, Georef'd by Ben Legler U.S.A., WASHINGTON, DOUGLAS COUNTY: Steep, loose road cut on forest edge. Single tree Rock Island Creek. with several trunks, ca.15 meters tall; bark white T23N R22E S28; NAD 27, uncertainty: 805 m., Source: TRS2LL, with horizontal bands. Phenology: Vegetative. Georef'd by Ben Legler Origin: Native. Growing on moist ground. Associated with river alder, willow, and horsetail. Frequent. Phenology: Fruits. Origin: Native. Ben Legler 12351 P. Camp 197 21 Aug 1979 24 Sep 2011 WTU-386781 WTU-419022, WTU-V-041858 Betulaceae Betulaceae Betula pendula Roth Betula glandulosa Michx. U.S.A., WASHINGTON, COWLITZ COUNTY: U.S.A., OREGON, DESCHUTES COUNTY: East bank of Cowlitz River, below junction of Front Avenue Deschutes National Forest. Southwest side of Northwest and Huntington Avenue North, Castle Rock. Little Cultus Lake. Forest Road 4636. North side Elev. 49 ft. of road. 46° 16.8' N, 122° 54.5' W Elev. 1470 m. Sandy riparian forest, partial shade, with Alnus rubra, Populus 43.79788° N, 121.88457° W; WGS 84, balsamifera. White bark, broken by black blocky fissures at base, uncertainty: 100 m., Source: GPS adventive trees 1-12 meters tall, occasional. Photographed. Open wet meadow with shallow stream running Phenology: Fruits. Origin: Introduced. through it; Carex spp. and Drosera anglica dominant; Pinus contorta scattered. Shrubs to 1 Peter F. Zika 26157 21 Oct 2012 meter tall on edge of meadow. Phenology: Fruits. Origin: Native. WTU-389709 John Bassett 13-7 Betulaceae 12 Jul 2013 Betula papyrifera Marshall WTU-411820, WTU-V-026315 U.S.A., WASHINGTON, WHATCOM COUNTY: Near summit of Sehome Hill, Bellingham. 48.73624°, -122.481002°; WGS 84, uncertainty: 500 m., Source: Betulaceae Digital Map, Georef'd by Ibro Polovina On exposed rock; north side of hill. Tree circa 10 meters tall. Betula glandulosa Michx. Phenology: Flowers. Origin: Native. U.S.A., OREGON, GRANT COUNTY: Carl A. Linde Jr. s.n. 18 Apr 1957 Blue Mountains, south end of Crane Prairie, 30 air miles southeast of John Day. WTU-390368 Elev. 5250 ft. 44.15175° N, 118.46061° W; WGS 84, Source: Specimen Label Toeslope seep at edge of moist prairie. With Pinus contorta, Juncus Betulaceae balticus, Carex nebrascensis. Shrub 2 meters tall. Phenology: Fruits. Origin: Native. Betula glandulosa Michx. Nick Otting 3170 3 Jul 2011 U.S.A., WASHINGTON, PIERCE COUNTY: Fort Lewis Military Base. Mackay Marsh. North and west side of WTU-397519 marsh. Elev. 67 m. 47.10407° N, 122.61662° W; WGS 84, uncertainty: 5 m., Georef'd Betulaceae by Maria Yousoufian Seasonally fluctuating pond/marsh dominated by Salix in the interior Betula occidentalis Hook. and Phalaris arundinacea along the periphery; center area with highly intact native plant communities broken by pockets of U.S.A., WASHINGTON, OKANOGAN COUNTY: tea-colored water to 1.5 meters deep. Scattered in loose patch in 2 miles west of Aeneas Valley Road on Forest saturated soil in center of marsh. Phenology: Fruits. Origin: Native. Service Road #30. Elev. 2950 ft. David Giblin 3027 15 Jul 2009 T35N R30E S5; WGS 84, uncertainty: 1000 m., Source: GeoLocate, Georef'd by Crystal WTU-392508 Shin Near swampy roadside area with Pinus ponderosa, Larix occidentalis, Alnus sinuata, Betulaceae Picea engelmannii and Salix sp. Small tree circa 20 feet tall, bark reddish. Phenology: Flowers. Betula pendula Roth Origin: Native. U.S.A., OREGON, POLK COUNTY: M. Arnot 299 Eastern edge of Monmouth on the east side of with G. Patrick Monmouth-Independence Highway. Elev. 195 ft. 25 May 1991 UTM Zone 10, 482682E, 4966319N; WGS 84 Moist scrub-shrub community. With Quercus garryana, Crataegus WTU-321889, WTU-V-007063 suksdorfii, Malus sieboldii, Prunus avium, Rubus bifrons. Tree, 15 meters tall; many escaped and naturalized in this location. Phenology: Flowers and Fruits. Origin: Introduced. Betulaceae R.E. Brainerd 2138 30 Apr 2013 Betula occidentalis Hook. WTU-396477 U.S.A., MONTANA, FLATHEAD COUNTY: Along Cutbank Creek, Glacier National Park. Phenology: Fruits. Origin: Native. G. N. Jones 5436 15 Jul 1934 WTU-29157 Betulaceae Betulaceae Betula pumila L. Betula nana L. U.S.A., IDAHO, FREMONT COUNTY: CANADA, NEWFOUNDLAND: [locality and coordinates withheld; status in Idaho: S2 (Imperiled; Pt. Amour Lighthouse area. IDNHP)] Phenology: Vegetative. Origin: Native. Riverbanks. [Left and middle branches: Betula glandulosa. Branch on right: Betula pumila. Filed under Betula glandulosa.] Phenology: Clayton Haberman s.n. Fertile. 18 Sep 2003 William H. Baker 9905 25 Aug 1952 WTU-401105, WTU-V-8572 WTU-155852B

Betulaceae Betula papyrifera Marshall Betulaceae U.S.A., WASHINGTON, KING COUNTY: Seattle. Betula glandulosa Michx. × Betula papyrifera Marshall 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., Source: Digital Map, Georef'd by Joseph Stormer CANADA, YUKON TERRITORY: [Branch on left: Betula papyrifera. Branch on right: Betula pumila. Watson Lake. Filed under Betula papyrifera.] Phenology: Vegetative. Origin: Phenology: Fruits. Origin: Native. Native. Clayton Haberman s.n. C. V. Piper s.n. 25 May 1891 28 Jul 1990 WTU-5914A WTU-401108, WTU-V-8573 Betulaceae Betula pubescens Ehrh. U.S.A., WASHINGTON, KING COUNTY: Marsh Island, Union Bay, Lake Washington, Seattle. Elev. 5 m. Betulaceae 47.6462° N, 122.2964° W; Source: Specimen Label Betula occidentalis Hook. On flooded peaty partly shaded ground, with Salix sitchensis, near footpath in swamp. 5 U.S.A., ALASKA COUNTY: meter tall adventive tree, bark dark. Phenology: Steese Highway, mile 25. Flowers. Origin: Introduced. Roadside tailings. Phenology: Vegetative. Origin: Native. Peter F. Zika 26514 Clayton Haberman s.n. 7 Apr 2014 23 Jul 1990 WTU-400119, WTU-V-006315 WTU-401107, WTU-V-8575

Betulaceae Betula nana L. Betulaceae U.S.A., ALASKA COUNTY: Circle Hot Springs, Steele Highway. Betula glandulosa Michx. Phenology: Fruits. Origin: Native. U.S.A., ALASKA COUNTY: Clayton Haberman s.n. Whale Cove. Phenology: Fruits. Origin: Native. 23 Jul 1990 Clayton Haberman s.n. WTU-401106, WTU-V-8570 10 Jul 1988 WTU-401113, WTU-V-8576 Betulaceae Betulaceae Betula nana L. Betula pendula Roth CANADA, NEWFOUNDLAND: GERMANY, NORTH RHINE-WESTPHALIA: Shoal Cove, Northern Peninsula. Siegen. Phenology: Vegetative. Origin: Native. Landscape tree. Lower bol bark thick, dark gray, deep fissures. Phenology: Vegetative. Origin: Clayton Haberman s.n. Native. 19 Sep 2003 Clayton Haberman s.n. WTU-401109, WTU-V-8577 5 Nov 2002 WTU-401129, WTU-V-8594

Betulaceae Betulaceae Betula nana L. Betula papyrifera Marshall U.S.A., ALASKA COUNTY: U.S.A., WASHINGTON, SNOHOMISH Kotzebue. COUNTY: 66.877849°, -162.453845°; WGS 84, Happy Valley Tree Farm, Happy Valley. uncertainty: 10000 m., Source: Digital Map, 48.187751°, -122.262495°; WGS 84, Georef'd by Joseph Stormer uncertainty: 264 m., Source: Digital map, Phenology: Fruits. Origin: Native. Georef'd by Maria Yousoufian Phenology: Vegetative. Origin: Native. Clayton Haberman s.n. Clayton Haberman s.n. 8 Jul 1990 Feb 2009 WTU-401111, WTU-V-8579 WTU-401130, WTU-V-8597

Betulaceae Betulaceae Betula sp. Betula papyrifera Marshall CHILE, MAGALLANES: U.S.A., WASHINGTON, SNOHOMISH Town Square, Punta Arenas. COUNTY: Happy Valley Tree Farm, Happy Valley. Clayton Haberman s.n. 48.187751°, -122.262495°; WGS 84, uncertainty: 264 m., Source: Digital map, 21 Mar 1997 Georef'd by Maria Yousoufian Phenology: Flowers. Origin: Native. WTU-401125, WTU-V-8589 Clayton Haberman s.n. Jan 2009 WTU-401161, WTU-V-8544

Betulaceae Betulaceae Betula pendula Roth Betula kenaica W.H. Evans U.S.A., WASHINGTON, SNOHOMISH U.S.A., ALASKA, KENAI PENINSULA COUNTY: COUNTY: Warm Beach Senior Community, Stanwood. Seward. 48.181878°, -122.35046°; WGS 84, 60.104167°, -149.442222°; WGS 84, uncertainty: 360 m., Source: Digital Map, uncertainty: 10000 m., Source: GeoLocate, Georef'd by Maria Yousoufian Georef'd by Joseph Stormer Landscape tree. Phenology: Fruits. Origin: Phenology: Fruits. Origin: Native. Introduced. Cultivated. Clayton Haberman s.n. Clayton Haberman s.n. 17 Jul 1990 11 Jul 2008 WTU-401165, WTU-V-8546 WTU-401126, WTU-V-8592 Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, KING COUNTY: U.S.A., ALASKA COUNTY: Deception Falls, United States Highway 2. Steese Highway, mile 25. 47.714554°, -121.193434°; WGS 84, Roadside tailings. Phenology: Flowers. Origin: uncertainty: 1000 m., Source: GeoLocate, Native. Georef'd by Ibro Polovina Phenology: Flowers. Origin: Native. Clayton Haberman s.n. Clayton Haberman s.n. 23 Jul 1990 22 May 1989 WTU-401103, WTU-V-8568 WTU-401098, WTU-V-8563

Betulaceae Betulaceae Betula neoalaskana Sarg. Betula papyrifera Marshall CANADA, YUKON TERRITORY: U.S.A., WASHINGTON, SNOHOMISH Watson Lake. COUNTY: Phenology: Vegetative. Origin: Native. Happy Valley Tree Farm. 48.187751°, -122.262495°; WGS 84, Clayton Haberman s.n. uncertainty: 264 m., Source: Digital Map, Georef'd by Maria Yousoufian 28 Jul 1990 Phenology: Vegetative. Origin: Native. WTU-401100, WTU-V-8565 Clayton Haberman s.n. 1987 WTU-401102, WTU-V-8569

Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, SNOHOMISH U.S.A., WASHINGTON, SNOHOMISH COUNTY: COUNTY: Happy Valley Tree Farm, Happy Valley. Happy Valley Tree Farm. 48.187751°, -122.262495°; WGS 84, 48.187751°, -122.262495°; WGS 84, uncertainty: 264 m., Source: Digital map, uncertainty: 264 m., Source: Digital Map, Georef'd by Maria Yousoufian Georef'd by Maria Yousoufian Phenology: Vegetative. Origin: Native. Male. Phenology: Flowers. Origin: Native. Clayton Haberman s.n. Clayton Haberman s.n. 28 Jan 2003 Mar 1989 WTU-401099, WTU-V-8566 WTU-401104, WTU-V-8571

Betulaceae Betulaceae Betula papyrifera Marshall Betula glandulosa Michx. U.S.A., WASHINGTON, SNOHOMISH U.S.A., WASHINGTON, KITTITAS COUNTY: COUNTY: Yakima Training Center. Hanson Creek Happy Valley Tree Farm. Drainage. 48.187751°, -122.262495°; WGS 84, Elev. 485 m. uncertainty: 264 m., Source: Digital Map, 47.79897° N, 120.09587° W; WGS 84, Georef'd by Maria Yousoufian uncertainty: 50 m., Source: Digital map, Phenology: Fruits. Origin: Native. Invalid coordinates (located outside county bounds). Clayton Haberman s.n. Riparian zone with Populus trichocarpa, Ribes aureum, and sterile Epipactis gigantea in 7 Jun 1990 slow-moving stream. Small tree to 8 meters tall; several plants in wet area of seasonal WTU-401101, WTU-V-8567 streambed. Phenology: Fruits. Origin: Native. David Giblin 5185 with Lisa Weigel 28 May 2015 WTU-418260, WTU-V-039499 Betulaceae Betulaceae Betula pendula Roth Betula occidentalis Hook. U.S.A., OREGON, CLACKAMAS COUNTY: U.S.A., WASHINGTON, LINCOLN COUNTY: Marylhurst Park, West Linn. Fishtrap Lake area. West side of lake, area 45.381° N, 122.627° W; Source: Specimen south of main parking area along main access Label road; west of Ranch House. Residential/park. Naturalized. Phenology: Elev. 670 m. Flowers. Origin: Introduced. 47.3333° N, 117.8602° W; WGS 84, uncertainty: 100 m., Source: Digital map J. Lesh 102213JL1208 Pothole scablands with scattered Pinus ponderosa trees on upland and ponds in the 22 Oct 2013 potholes dominated by Schoenoplectus acutus. Scattered along pond outlet; tree to 7 meters WTU-401488, WTU-V-8657 tall. Phenology: Flowers and Fruits. Origin: Native. David Giblin 4128 Betulaceae 22 May 2012 Betula glandulosa Michx. WTU-418337, WTU-V-039346 U.S.A., MONTANA, BEAVERHEAD COUNTY: Beaverhead-Deerlodge National Forest. May Creek Campground off of Highway 43. Betulaceae Elev. 6361 ft. 45° 39.137' N, 113° 46.844' W; WGS 84, Betula glandulosa Michx. uncertainty: 200 m., Source: GPS Pinus contorta dominant with grass understory. U.S.A., WASHINGTON, DOUGLAS COUNTY: Willow grass and sedge meadows interspersed. Douglas Creek. Phenology: Vegetative. Origin: Native. Elev. 1400 ft. T23N R23E S24; NAD 27, uncertainty: 805 Jim Duemmel 2014-9 m., Source: TRS2LL, Georef'd by Ben Legler Flat stream bottom, very wet and mucky. 13 Jul 2014 Phenology: Flowers. Origin: Native. WTU-414831, WTU-V-032224 G. Horn s.n. 20 Jul 1979 Betulaceae WTU-405138, WTU-V-013561 Betula glandulosa Michx. U.S.A., WASHINGTON, SKAMANIA COUNTY: Betulaceae Southwest side of Mount Adams. Grand Meadow. 46° 9.148' N, 121° 39.373' W; Source: Field notes Betula occidentalis Hook. In thickets with Vaccinium uliginosum; perennially wet meadow. Shrubs about 1.5 meters tall. Nearly mature female catkins; seeds U.S.A., WASHINGTON, GRANT COUNTY: show broad wings. Phenology: Fruits. Origin: Native. Buckshot Recreation Area. South along shoreline for about 500 meters from parking David Biek 04-166 16 Jul 2004 area. with Susan McDougall Elev. 145 m. 46.709° N, 119.95429° W; WGS 84, Herbarium: WTU uncertainty: 200 m., Source: Digital map Cobbly shoreline with adjacent upland dominated by Salix exigua; Morus alba and Betulaceae Ulmus pumila present. Uncommon; tree to 6 meters tall growing on riverbank. Phenology: Betula pumila L. Fruits. Origin: Native. U.S.A., WASHINGTON, DOUGLAS COUNTY: David Giblin 5803 Wells Wildlife Area. East side of area accessed from Bridgeport Hill Road. Area west and south 18 Sep 2015 of pullout. Elev. 508 m. WTU-418301, WTU-V-039038 47.92051° N, 119.68511° W; WGS 84, uncertainty: 1000 m., Source: GPS Riparian valley surrounded by sagebrush-steppe upland; riparian zone dominated by Typha latifolia, Phalaris arundinacea and with Elaeagnus angustifolia; upland dominated by Artemisia tridentata with Leymus cinereus. Common throughout riparian zone; trees to 10 meters tall. Phenology: Fertile. Origin: Native. David Giblin 5419 11 Sep 2014 WTU-410319, WTU-V-024379 Betulaceae Betulaceae Betula glandulosa Michx. Betula pumila L. U.S.A., IDAHO, VALLEY COUNTY: U.S.A., WASHINGTON, PEND OREILLE Boise National Forest. Buck Mountain COUNTY: Campground, along Johnson Creek. Deer Valley, west of Newport. Elev. 2076 m. 48.18504° N, 117.296° W; Source: GPS 44.68128° N, 115.54009° W Scrub-shrub wetland. Alnus viridis dominant Streamside. In fruit; shrub to 1.5 meters. with Scirpus microcarpus and Crataegus Phenology: Flowers and Fruits. Origin: Native. douglasii. Saturated soil and channels with running water on site. Abundance: Common. Richard G. Olmstead 2015-45 Growth Habit: Fruiting shrub 2-5 meters tall. Site with Sheila Olmstead, Audrey Ragsac ID: NWCA16-4905. Visit #1. Collection #Q5 (QA Voucher). Phenology: Fruits. Origin: Native. 11 Jul 2015 Patricia Johnson NWCA16-4905-V1-Q5 WTU-415502, WTU-V-033762 17 Aug 2016 WTU-411179, WTU-V-025502 Betulaceae Betula pendula Roth Betulaceae U.S.A., WASHINGTON, KING COUNTY: Betula pendula Roth Near Issaquah adjacent to equestrian center and residential development. U.S.A., WASHINGTON, KING COUNTY: 47.58204° N, 122.0607° W; Source: GPS Along paved path through center of South Peat bog/fen. Occurs with Ledum Woods Park, Shoreline. groenlandicum, Spiraea douglasii, Pteridium. Elev. 120 m. Peat drying out saturated at 50 centimeters. 47.73858° N, 122.304826° W; WGS 84, Abundance: Dominant. Growth Habit: Erect tree, uncertainty: 13 m., Source: Digital Map, drooping branches with catkins, also grows Georef'd by Ben Legler branches out of leaning trunk. Site ID: Mature Pseudotsuga menziesii forest with NWCA16-4892. Visit #1. Collection #Q1 (QA brushy understory of Gaultheria shallon, Voucher). Phenology: Fruits. Origin: Native. Vaccinium parviflorum, and naturalized exotic shrubs. Several small, slender trees ca 5-8 Patricia Johnson NWCA16-4892-V1-Q1 meters tall in shade near path, growing wild; bark white to brownish-gray, exfoliating in 2 Aug 2016 horizontal strips; young twigs drooping; leaves rhombic, doubly serrate, acuminate, mostly with WTU-411130, WTU-V-025458 5 pairs of lateral veins; catkins pendent; fruits broadly winged. Phenology: Fruits. Ben Legler 14377 8 Sep 2016 Betulaceae Herbarium: WTU Betula glandulosa Michx. U.S.A., WASHINGTON, OKANOGAN COUNTY: Betulaceae In Okanogan National Forest outside Conconully. Betula pendula Roth Elev. 6000 ft. 48.73835° N, 119.93045° W; Source: GPS U.S.A., WASHINGTON, KING COUNTY: Beaver-impounded headwater wetland. Salix Southwest shore of Bassett Pond; 4.9 air km east of Woodinville. farriae dominant with Carex utriculata. Betula Elev. 76 m. glandulosa growing near running water of 47.748176° N, 122.098103° W; WGS 84, uncertainty: 13 m., stream channel. Abundance: Sparse. Growth Source: Digital Map, Georef'd by Ben Legler Habit: Woody shrub; fruiting. Site ID: Edge of large open pond, bordered by Spiraea douglasii and Betula NWCA16-4898. Visit #1. Collection #Q4 (QA pendula, open water with Spirodella, Wolffia. Bark white, peeling in Voucher). Phenology: Fruits. Origin: Native. horizontal strips; leaves acuminate, base broadly cuneate to truncate; large trees and saplings, abundant and naturalized around Patricia Johnson NWCA16-4898-V1-Q4 lake. Phenology: Vegetative. 10 Aug 2016 Ben Legler 14414 24 Sep 2016 WTU-411153, WTU-V-025435 Herbarium: WTU Betulaceae Betulaceae Betula nana L. Betula papyrifera Marshall U.S.A., WASHINGTON, PEND OREILLE U.S.A., WASHINGTON, STEVENS COUNTY: COUNTY: Colville National Forest. Bestrom Meadows. Colville National Forest, Sullivan Lake Ranger 48.62612°, -117.650037°; uncertainty: 893 m., District, Haliday Fen about 7 mi. N of Metaline Georef'd by Joseph Stormer Falls. Drive N from Metaline Falls about 6 mi. on Moist, open to dense woods of lowland or lower Hwy #31 to the Haliday Fen trailhead, then hike mountains. Paper birch. Phenology: Vegetative. E about 1 mi. to the fen. Origin: Native. Elev. 2950 ft. T40N R44E S31SW1/4 ; WGS 84, Ellman s.n. uncertainty: 3000 m., Source: Digital Map, Georef'd by Crystal Shin Aug 1979 Plants are growing with Parnassia palustre, Spiranthes romanzoffiana and Muhlenbergia WTU-413180, WTU-V-028610 glomerata. Phenology: Vegetative. Origin: Native. Kathy Ahlenslager 765 5 Aug 1998 Betulaceae WTU-413172, WTU-V-028618 Betula glandulosa Michx. Betulaceae U.S.A., WASHINGTON, PEND OREILLE COUNTY: Betula pendula Roth Newport Ranger District, Colville National Forest. Rufus Meadows. U.S.A., WASHINGTON, KING COUNTY: Elev. 4300 ft. 124th Avenue NE, N of Main Street, 2.6 air km 48.590046°, -117.473406°; WGS 84, WNW of Larsen Lake, Bellevue. uncertainty: 1000 m., Source: GeoLocate, Elev. 60 m. Georef'd by Sara Shiina 47.6104° N, 122.175° W; Source: Specimen Wet sedge meadows. Phenology: Flowers. Label Origin: Native. Under powerlines, partly shaded thickets, with Salix scouleriana, Pseudotsuga menziesii, T. E. Burke 266 Gaultheria shallon, Rubus ursinus, R. armeniacus, Holodiscus discolor. 6 m adventive 22 Sep 1976 trees, several seen under powerlines. Phenology: Fertile. Origin: Introduced. WTU-413175, WTU-V-028614 Peter F. Zika 27857 with E.R. Alverson Betulaceae 4 Jun 2016 Betula glandulosa Michx. WTU-412750, WTU-V-028004 U.S.A., WASHINGTON, PEND OREILLE COUNTY: Western Colville National Forest and Vicinity: Granite Meadows, circa 3.5 air miles east of Betulaceae Little Pend Oreille Lakes, off Tacoma Divide Road. Betula occidentalis Hook. Elev. 4350 ft. T36N R42E S14 SW1/4; WGS 84, U.S.A., OREGON, JACKSON COUNTY: uncertainty: 600 m., Source: Digital Map, Sterling Mine ditch trail. Georef'd by Joseph Stormer 42.165694°, -122.927152°; WGS 84, Old beaver ponds with some open water; uncertainty: 5000 m., Source: GeoLocate, extensive peat bog with multiple Carex species. Georef'd by Dan Post Phenology: Flowers. Origin: Native. Phenology: Flowers. Jean Wood 3479 Edward R. Alverson s.n. 14 Aug 1995 2013 WTU-413176, WTU-V-028616 WTU-405840, WTU-V-17375 Betulaceae Betulaceae Betula occidentalis Hook. Betula glandulosa Michx. U.S.A., WASHINGTON, FERRY COUNTY: U.S.A., OREGON, MULTNOMAH COUNTY: Colville National Forest, Republic Ranger Latourelle Prairie; Western extent of prairie/fen District, about 3 miles north of Curlew near system. White Creek. From Curlew, take the 45.555° N, 122.0205° W; Source: Specimen Boulder-Deer road (County road #602) east Label about 4 miles to County road #651. Follow it Western extent of prairie/fen system. Wet, rocky northeast about 1.5 miles to Forest Service road soils at base of outcrop. Oplopanax, Spirea #750. Travel west on Forest Service road #750 splendens, Thuja, Vaccinium membranaceum, about 1.5 miles to White Creek. Caltha leptosepela, Myrica gale. Fruits. Elev. 2800 ft. Occasional on small rises, rockier outcrops. T40N R34E S32 SE1/4; WGS 84, uncertainty: Phenology: Fruits. Origin: Native. 1000 m., Source: Calc. from TRS, Georef'd by Sara Shiina Dominic Maze 209 Plants were growing with Erigeron linearis and with W/ Angie Kimpo. Antennaria microphylla. Phenology: Vegetative. Origin: Native. 27 Jul 2016 Kathy Ahlenslager 296 1 Jul 1997 WTU-414250, WTU-V-031240 WTU-413171, WTU-V-028620 Betulaceae Betulaceae Betula papyrifera Marshall Betula occidentalis Hook. U.S.A., WASHINGTON, PEND OREILLE U.S.A., WASHINGTON, FERRY COUNTY: COUNTY: Western Colville National Forest and Vicinity: Along Pend Oreille River at Ruby Landing about Tonata Creek, circa 8 air miles west of Curlew; 18 miles North of Usk, just East of Highway 20. north of Forest road 2148 circa 1.0 miles west of Elev. 2050 ft. junction with Forest road 2149. T35N R44E S19 SW1/4 NW1/4; WGS 84, Elev. 3500-4500 ft. uncertainty: 5000 m., Source: Digital Map, T39N R32E S21 N1/2; WGS 84, uncertainty: Georef'd by Crystal Shin 4740 m., Source: Digital Map, Georef'd by Growing with Tanacetum vulgare and Vicia Isaac Afolayan americana. Phenology: Flowers. Origin: Native. Creekside. Phenology: Flowers. Origin: Native. Kathy Ahlenslager 467 Jean Wood 526 25 Jul 2000 29 May 1995 WTU-413184, WTU-V-028607 WTU-413170, WTU-V-028622 Betulaceae Betulaceae Betula pumila L. Betula papyrifera Marshall U.S.A., OREGON, KLAMATH COUNTY: Westside Road at Mares Egg Spring, Crane U.S.A., WASHINGTON, STEVENS COUNTY: Creek drainage, 6.4 air kilometers Western Colville National Forest and Vicinity: east-northeast of Gardner Peak. Iron Mountains: High Lake, circa 1.25 air miles Elev. 1270 m. east-southeast of Addy; spur road from Forest 42.6601° N, 122.0883° W; Source: Specimen Road 9535. Label Elev. 3400 ft. Marsh, full sun, forming thickets, with Carex T33N R40E S19 NE1/4; also S20 NW1/4; cusickii, C. aquatilis, Scirpus microcarpus, WGS 84, uncertainty: 1000 m., Source: Digital Comarum. Common shrubs 1.5-2.5 meters tall, Map, Georef'd by Joseph Stormer leaves shiny. Phenology: Flowers. Origin: Riparian and lakeside. Phenology: Flowers. Native. Origin: Native. Peter F. Zika 28786 Jean Wood 344 2 Jun 2017 24 May 1995 WTU-417180, WTU-V-036814 WTU-413169, WTU-V-028624 Betulaceae Betulaceae Betula pendula Roth Betula glandulosa Michx. U.S.A., OREGON, MULTNOMAH COUNTY: U.S.A., WASHINGTON, OKANOGAN COUNTY: Hoyt Arboretum. Green Lake. Public access point at southeast corner of lake. 45.5195° N, 122.7186° W; Source: Specimen Elev. 469 m. Label 48.44227° N, 119.62859° W; WGS 84, uncertainty: 20 m., Partial, mixed canopy. Acer macrophyllum, Source: GPS Pseudotsuga. One plant. Occasional in vicinity. Disturbed upland with Cirsium arvense, Verbascum thapsus, and Phenology: Vegetative. Origin: Introduced. Melilotus albus; adjacent shoreline area dominated by Typha latifolia and Schoenoplectus acutus. Multi-stemmed trees to 5 meters Dominic Maze 321 tall;scattered along shoreline. Phenology: Fruits. Origin: Native. 15 Sep 2016 David Giblin 6562 4 Oct 2018 WTU-417615, WTU-V-038096 Herbarium: WTU

Betulaceae Betulaceae Betula occidentalis Hook. Betula pumila L. U.S.A., OREGON, GILLIAM COUNTY: CANADA, ONTARIO, BRUCE: Cliffs above Highway I-84, 3 miles east of John Day River. 45.735807° N, 120.586609° W; WGS 84, Source: GPS Rocky shore. Phenology: Flowers. Origin: On ledge near top of basalt cliff. Several trees to 8m tall and 30cm Native. diam., leaves shiny. Phenology: Flowers. Origin: Native. P. Krotkov 10529 Peter Dunwiddie PWD-18-102 10 May 2018 with Peter Zika WTU-417884, WTU-V-038875 Herbarium: WTU

Betulaceae Betula papyrifera Marshall Betulaceae U.S.A., WASHINGTON, PIERCE COUNTY: Pack Forest. Road number 200, plot "Species Betula pendula Roth Trail, 14.14, 1982" Elev. 234 m. U.S.A., WASHINGTON, PACIFIC COUNTY: 46.84526° N, 122.322598° W; WGS 84, Long Beach: Birch Street, about 1.3 km N of uncertainty: 50 m., Source: GPS Cranberry Road. Circumference(Inches) = 42.5. DBH(Inches) = Elev. 6 m. 13.53. 46.40808° N, 124.03904° W; WGS 84, uncertainty: 150 m., Source: Specimen Label Micah Stanovsky B1 Thickets of Gaultheria shallon and Vaccinium with Kunlin Song, Melina Garzon. sp. at edge of lowland forest of cedar and spruce. Trees about 3 m tall, ca. 3-4 cm dbh, 2 Oct 2020 dark brown smooth bark with lenticels. Phenology: Vegetative. Origin: Introduced. WTU-424284 Gordon C. Tucker 16299 9 Jul 2014 Betulaceae WTU-419069, WTU-V-041625 Betula papyrifera Marshall U.S.A., WASHINGTON, PIERCE COUNTY: Pack Forest. Road number 200, plot "Species Betulaceae Trail, 14.14, 1982" Elev. 234 m. Betula papyrifera Marshall 46.845303° N, 122.322535° W; WGS 84, uncertainty: 50 m., Source: GPS U.S.A., WASHINGTON, SAN JUAN COUNTY: Circumference(Inches) = 42.5. DBH(Inches) = Little Patos Island. 12.25. 48.784421° N, 122.9655311° W; Source: Digital map, Georef'd by Linnea Johnson Micah Stanovsky B2 One of 2 trees on the island, along trail close to N shore. Grey with Kunlin Song, Melina Garzon. peeling bark, numerous suckers at base. Origin: Native. 2 Oct 2020 Peter Dunwiddie PWD-18-72 2 May 2018 with Peter Zika, Ted Thomas WTU-424282 Herbarium: WTU Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., WASHINGTON, PIERCE COUNTY: Pack Forest. Road number 200, plot "Species Pack Forest. Road number 200, plot "Species Trail, 14.14, 1982" Trail, 14.14, 1982" Elev. 234 m. Elev. 234 m. 46.845403° N, 122.322554° W; WGS 84, 46.845473° N, 122.322321° W; WGS 84, uncertainty: 50 m., Source: GPS uncertainty: 50 m., Source: GPS Circumference(Inches) = 33.7. DBH(Inches) = Circumference(Inches) = 34.5. DBH(Inches) = 10.73. 10.98. Micah Stanovsky B3 Micah Stanovsky B7 with Kunlin Song, Melina Garzon. with Kunlin Song, Melina Garzon. 2 Oct 2020 2 Oct 2020 WTU-424283, WTU-V-066975 WTU-424279

Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., WASHINGTON, PIERCE COUNTY: Pack Forest. Road number 200, plot "Species Pack Forest. Road number 200, plot "Species Trail, 14.14, 1982" Trail, 14.14, 1982" Elev. 234 m. Elev. 234 m. 46.845374° N, 122.32252° W; WGS 84, 46.845539° N, 122.322271° W; WGS 84, uncertainty: 50 m., Source: GPS uncertainty: 50 m., Source: GPS Circumference(Inches) = 36.7. DBH(Inches) = Circumference(Inches) = 40. DBH(Inches) = 11.68. 12.73. Micah Stanovsky B4 Micah Stanovsky B8 with Kunlin Song, Melina Garzon. with Kunlin Song, Melina Garzon. 2 Oct 2020 2 Oct 2020 WTU-424281 WTU-424278

Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., WASHINGTON, PIERCE COUNTY: Pack Forest. Road number 200, plot "Species Pack Forest. Road number 200, plot "Species Trail, 14.14, 1982" Trail, 14.14, 1982" Elev. 234 m. Elev. 234 m. 46.845616° N, 122.322451° W; WGS 84, 46.845528° N, 122.322148° W; WGS 84, uncertainty: 50 m., Source: GPS uncertainty: 50 m., Source: GPS Circumference(Inches) = 60.2. DBH(Inches) = Circumference(Inches) = 34. DBH(Inches) = 19.16. 10.82. Micah Stanovsky B6 Micah Stanovsky B9 with Kunlin Song, Melina Garzon. with Kunlin Song, Melina Garzon. 2 Oct 2020 2 Oct 2020 WTU-424280 WTU-424277 Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., WASHINGTON, PIERCE COUNTY: Pack Forest. Road number 200, plot "Species Pack Forest. Road number 200, plot "Species Trail, 14.14, 1982" Trail, 14.14, 1982" Elev. 234 m. Elev. 234 m. 46.845706° N, 122.321961° W; WGS 84, 46.845619° N, 122.321906° W; WGS 84, uncertainty: 50 m., Source: GPS uncertainty: 50 m., Source: GPS Circumference(Inches) = 37.9. DBH(Inches) = Circumference(Inches) = 35.5. DBH(Inches) 12.06. = 11.30. Micah Stanovsky B10 Micah Stanovsky B13 with Kunlin Song, Melina Garzon. with Kunlin Song, Melina Garzon. 2 Oct 2020 2 Oct 2020 WTU-424276, WTU-V-066942 WTU-424273

Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., WASHINGTON, PIERCE COUNTY: Pack Forest. Road number 200, plot "Species Pack Forest. Road number 200, plot "Species Trail, 14.14, 1982" Trail, 14.14, 1982" Elev. 234 m. Elev. 234 m. 46.845731° N, 122.32192° W; WGS 84, 46.845762° N, 122.321632° W; WGS 84, uncertainty: 50 m., Source: GPS uncertainty: 50 m., Source: GPS Circumference(Inches) = 32.5. DBH(Inches) = Circumference(Inches) = 37.1. DBH(Inches) 10.35. = 11.81. Micah Stanovsky B11 Micah Stanovsky B14 with Kunlin Song, Melina Garzon. with Kunlin Song, Melina Garzon. 2 Oct 2020 2 Oct 2020 WTU-424275 WTU-424272

Betulaceae Betulaceae Betula papyrifera Marshall Betula papyrifera Marshall U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., WASHINGTON, PIERCE COUNTY: Pack Forest. Road number 200, plot "Species Pack Forest. Road number 200, plot "Species Trail, 14.14, 1982" Trail, 14.14, 1982" Elev. 234 m. Elev. 234 m. 46.845722° N, 122.321956° W; WGS 84, 46.84572° N, 122.321641° W; WGS 84, uncertainty: 50 m., Source: GPS uncertainty: 50 m., Source: GPS Circumference(Inches) = 32. DBH(Inches) = Circumference(Inches) = 41.6. DBH(Inches) 10.19. = 13.24. Micah Stanovsky B12 Micah Stanovsky B15 with Kunlin Song, Melina Garzon. with Kunlin Song, Melina Garzon. 2 Oct 2020 2 Oct 2020 WTU-424274 WTU-424271 Betulaceae Betula occidentalis Hook. U.S.A., WASHINGTON, FERRY COUNTY: Colville National Forest. Bangs Mountain Road approximately 8 km from intersection with Highway 20. Deadman's Draw north end. Elev. 878 m. 48.55598° N, 118.25178° W; WGS 84, uncertainty: 50 m., Source: GPS Short narrow canyon with standing water at base and seeping east-facing rock face. Bark reddish brown; trees to 8 meters tall. Phenology: Vegetative. Origin: Native. David Giblin 6772 22 May 2019 Herbarium: WTU

Betulaceae Betula occidentalis Hook. U.S.A., WASHINGTON, OKANOGAN COUNTY: Similkameen-Chopaka Wildlife Unit. Oxbow pond and surrounding area accessible from parking area. Elev. 351 m. 48.95817° N, 119.7147° W; WGS 84, uncertainty: 200 m., Source: GPS Eutrophic, seasonally fluctuating pond with muck soil substrate and adjacent disturbed upland with Bassia scoparia common and abundant. Scattered along bank of pond; plants to 7 meters tall. Phenology: Fertile. Origin: Native. David Giblin 7311 18 Sep 2019 Herbarium: WTU

Betulaceae Betula glandulosa Michx. U.S.A., WASHINGTON, OKANOGAN COUNTY: Green Lake. Public access point at southeast corner of lake. Elev. 469 m. 48.44227° N, 119.62859° W; WGS 84, uncertainty: 20 m., Source: GPS Disturbed upland with Cirsium arvense, Verbascum thapsus, and Melilotus albus; adjacent shoreline area dominated by Typha latifolia and Schoenoplectus acutus. Scattered along shoreline. Multi-stemmed trees to 5 meters tall. David Giblin 6562 4 Oct 2018 WTU-424897, WTU-V-068333