WTU Herbarium Specimen Label Data Generated from the WTU Herbarium Database September 24, 2021 at 12:38 pm http://biology.burke.washington.edu/herbarium/collections/search.php

Specimen records: 228 Images: 22

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Label Query: Genus = "Philadelphus" Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, WHATCOM COUNTY: U.S.A., WASHINGTON, ADAMS COUNTY: Ross Lake National Recreation Area. East Bank Tr., S of Lightning 2 miles north of Macall. Creek. 47.089782°, -118.01333°; WGS 84, uncertainty: 1000 m., Source: 48° 51' 36.76853" N, 121° 45.14335" W; UTM Zone 10, 645775E, GeoLocate, Georef'd by WTU Staff 5413602N; Source: Calc. from UTM, UTM from field notes. Steep west talus slope. Phenology: Flowers. Origin: Native. Rock outcrops above Ross Lake. Pseudotsuga menziesii and Holodiscus discolor, mossy with shallow soil. Occasional along trail, R. G. Jeffrey s.n. 4 Jun 1946 growing with Amelanchier. In full flower and early fruit. Flowers white and very fragrant. Phenology: Flowers & Fruits. Origin: Native. WTU-117652 Kimiora Ward 14 12 Jul 2002 Hydrangeaceae Herbarium: WTU, NPS accession 632, catalog 23661 Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, BENTON COUNTY: Road to Bennett Springs, Hanford Reservation. Philadelphus inodorus L. Elev. 1800 ft. 46° 30' N, 119° 43' W; T11N R24E S11 U.S.A., COLORADO, BOULDER COUNTY: Scootney Stony Silt Loam. Growing in rocky creek outwash. University of Colorado campus. Phenology: Flowers. Origin: Native. Phenology: Flowers. Joan T. O?Farrell 71-125 6 Jun 1971 Richard G. Olmstead s.n. 16 May 1992 with Thomas P. O’Farrell Herbarium: WTU WTU-260231

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., OREGON, WALLOWA COUNTY: U.S.A., WASHINGTON, CLALLAM COUNTY: Hell's Canyon National Recreation Area. Near Hell's Canyon Elwha River. overlook, Road NFD 3945. Elev. 500-1000 ft. Elev. 5367 ft. 48.060047°, -123.581458°; WGS 84, uncertainty: 10000 m., 45° 7.716' N, 116° 50.052' W Source: GeoLocate, Georef'd by WTU Staff Gentle slope, mixed conifer forest (Abies grandis, Pseudotsuga In open woods. Phenology: Flowers. Origin: Native. menziesii) with openings. Somewhat rocky soil with old logging debris. Collected on steep rock face. Phenology: Flowers & Fruits. George Neville Jones 3396 Jul 1931 Origin: Native. WTU-21371 Don Knoke 178 19 Jul 2002 with Sara Tjessem, Shahid Naeem, Cindy Spurgeon, Dick Olmstead Hydrangeaceae Herbarium: WTU Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, CHELAN COUNTY: 2 miles up No. 2 Canyon, Wenatchee. Philadelphus lewisii Pursh Elev. 1100 ft. 47.42361°, -120.30917°; WGS84, uncertainty: 10000 m., Source: U.S.A., WASHINGTON, ASOTIN COUNTY: GeoLocate, Georef'd by WTU Staff Mouth of Cottonwood Creek, along Grande Ronde River southwest Soil very sandy loam. With Artemisia tridentata, Prunus sp., and of Anatone. Sambucus melanocarpa. Phenology: Flowers. Origin: Native. Elev. 1300 ft. T7N R44E S33; WGS 84, uncertainty: 6000 m., Source: R. Gibbons 46-56 9 Jul 1956 Georeferenced, Georef'd by WTU Staff Open rocky hillsides. Shrub 2-3 meters tall. Flowers white. WTU-324018 Phenology: Flowers. Origin: Native. Arthur Cronquist 5812 29 May 1949 Hydrangeaceae WTU-169134 Philadelphus lewisii Pursh U.S.A., WASHINGTON, CLARK COUNTY: Columbia River near Vancouver. 45.63889°, -122.66028°; WGS 84, uncertainty: 5000 m., Source: GeoLocate, Georef'd by WTU Staff On rocky banks of the river. Phenology: Flowers. Origin: Native. J. William Thompson 917 1 Jun 1926 WTU-22659JWT Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, FERRY COUNTY: U.S.A., WASHINGTON, KLICKITAT COUNTY: 2 miles west of Kettle Falls. 2 miles north of junction of Highway 14 and Rock Creek Road, north 48.62578°, -118.16365°; WGS 84, uncertainty: 1000 m., Source: of Columbia River. GeoLocate, Georef'd by WTU Staff Elev. 394 ft. Basaltic cliffs. Shrubs 6 ft. tall. Phenology: Flowers. Origin: Native. 45.751446°, -120.439936°; WGS 84, uncertainty: 5000 m., Source: GeoLocate, Georef'd by WTU Staff C. L. Hitchcock 17596 23 Jun 1948 Arid transition, riverine. Phenology: Fruits. Origin: Native. WTU-125790 E. Hunn 91 14 Oct 1976 WTU-27119 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, GRANT COUNTY: Philadelphus lewisii Pursh 6 miles north of Coulee City. 47.69669°, -119.26409°; WGS 84, uncertainty: 500 m., Source: U.S.A., WASHINGTON, KING COUNTY: GeoLocate, Georef'd by WTU Staff Windermere, Lake Washington north of Seattle. Growing in sand. Shrubs to 8 ft. tall. Phenology: Flowers. Origin: 47.60639°, -122.33083°; WGS 84, uncertainty: 10000 m., Source: Native. GeoLocate, Georef'd by WTU Staff Growing on border of woods. Phenology: Flowers. Origin: Native. C. L. Hitchcock 17529 20 Jun 1948 Walter J. Eyerdam 6545 3 Jun 1949 WTU-125789 WTU-290906 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, COLUMBIA COUNTY: Umatilla National Forest, Tucannon Campground. U.S.A., WASHINGTON, KITSAP COUNTY: Elev. 2621 ft. Seabeck. T9N R41E S21; WGS 84, uncertainty: 670 m., Source: Digital 47.63972°, -122.82722°; WGS 84, uncertainty: 10000 m., Source: Map, Georef'd by Richard Olmstead GeoLocate, Georef'd by WTU Staff Ponderosa pine - Douglas fir woodland. White flowers. Abundant in In moist open places. Phenology: Flowers. Origin: Native. openings. Phenology: Flowers. Origin: Native. F. S. Hall s.n. 8 Jul 1923 Richard G. Olmstead 97-20 26 Jun 1997 WTU-44461 WTU-338995 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, MASON COUNTY: U.S.A., WASHINGTON, ISLAND COUNTY: Schafer Park. Bluff near San de Fuca, Whidbey Island. 47.09815°, -123.46516°; WGS 84, uncertainty: 1000 m., Source: 48.23528°, -122.72194°; WGS 84, uncertainty: 5000 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff In open woods, gravelly soil. Phenology: Flowers. Origin: Native. Phenology: Vegetative. Origin: Native. Phillips B. Freer 299 9 Jul 1950 George Neville Jones 4869 19 May 1934 WTU-135046 WTU-25256 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, OKANOGAN COUNTY: U.S.A., WASHINGTON, KITTITAS COUNTY: Omak. 3 miles west of Cle Elum. 48.41111°, -119.52639°; WGS 84, uncertainty: 10000 m., Source: 47.199444°, -121°; NAD 27, uncertainty: 2000 m., Source: GeoLocate, Georef'd by WTU Staff Georeferenced, Georef'd by WTU Staff Common along creek bottoms. 2 collections on this sheet. Yellow pine forest. In open gravelly places. Plants to 4 ft. in height; Phenology: Flowers. Origin: Native. leaves sparsely pubescent above, glabrous below except along nerves. Phenology: Fertile. Origin: Native. Charles B. Fiker 789 5 Jun 1932 C. L. Hitchcock 8117 21 May 1944 WTU-22663 with C. V. Muhlick WTU-90383 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., WASHINGTON, WHITMAN COUNTY: Tacoma. Snake River Canyon, Wawawai. 47.25306°, -122.44306°; WGS 84, uncertainty: 10000 m., Source: 46.63139°, -118.05194°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Phenology: Flowers. Origin: Native. Rock slides. In thickets. Phenology: Flowers. Origin: Native. J. B. Flett s.n. 5 Jul 1894 William H. Baker 7506 23 May 1951 WTU-37554 WTU-302796

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, STEVENS COUNTY: U.S.A., WASHINGTON, YAKIMA COUNTY: Flagstaff Mountain. Cowiche Canyon railroad bed and adjacent bluffs. Elev. 4200 ft. Elev. 1400 ft. T39N R39E S5; NAD 27, uncertainty: 805 m., Source: TRS2LL, 46° 37' N, 120° 38' W; T13N R18E S18 Georef'd by Ben Legler Growing with Betula, Rhus, and Clematis. Phenology: Flowers. Areas of open brush. Phenology: Flowers. Origin: Native. Origin: Native. Monita Engvall 147 25 Jun 1958 Sarah Gage G&R 140 24 May 1992 with Sharon Rodman WTU-195453 WTU-344558 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, SPOKANE COUNTY: Spokane. U.S.A., WASHINGTON, GARFIELD COUNTY: 47.65889°, -117.425°; WGS 84, uncertainty: 1000 m., Source: Blue Mountains; Umatilla National Forest - jeep trail #1072 parallel to GeoLocate, Georef'd by WTU Staff the Tucannon River. Road to right crosses Cummings Bridge On hillsides. Phenology: Flowers. Origin: Native. towards town. 46.384606°, -117.695529°; WGS 84, uncertainty: 10000 m., Sister Mary Milburge s.n. Jun 1931 Source: GeoLocate, Georef'd by WTU Staff Uphill where road forks - following deer trails to top - looks like heavy WTU-22661 deer traffic. Phenology: Flowers. Origin: Native. John Myers 214 28 Jun 1997 Hydrangeaceae WTU-349120 Philadelphus lewisii Pursh U.S.A., WASHINGTON, SAN JUAN COUNTY: Hydrangeaceae Stuart Island. 48.674722°, -123.210556°; WGS 84, uncertainty: 3700 m., Philadelphus lewisii Pursh Source: Georeferenced, Georef'd by WTU Staff In crevices of ledge of rock overhanging the bay. Phenology: U.S.A., WASHINGTON, FERRY COUNTY: Flowers. Origin: Native. Colville National Forest: 14.2 mi. from jct. FH 360. Elev. 2624 ft. W. H. Lawrence 186 26 Jun 1904 T37N R36 E S28; WGS 84, Source: Digital Map, Georef'd by Richard Olmstead WTU-96198 Near stream. Phenology: Flowers. Origin: Native. Richard G. Olmstead 99-174 11 Jul 1999 Hydrangeaceae WTU-349581 Philadelphus lewisii Pursh U.S.A., WASHINGTON, THURSTON COUNTY: Hydrangeaceae 15 miles north of Olympia. 47.17056°, -122.93073°; WGS 84, uncertainty: 1500 m., Source: Philadelphus lewisii Pursh GeoLocate, Georef'd by WTU Staff Along highway. Phenology: Fertile. Origin: Native. U.S.A., OREGON, WHEELER COUNTY: Ochoco National Forest: Painted Hills Units. About 3 miles north of Walter J. Eyerdam 1709 20 Jul 1937 Fossil beds on Bridge Creek Road off Highway 26. Elev. 1968 ft. WTU-292130 44° 42' 0.628" N, 120° 17' 0.678" W Artemisia tridentata/Juniper open rangeland. Heavy iron oxide in soil. Soil has high clay content. Phenology: Flowers. Origin: Native. Paul Beardsley 00-23 9 Jun 2000 WTU-349705 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., OREGON, WHEELER COUNTY: U.S.A., WASHINGTON, WHATCOM COUNTY: Ochoco National Forest: Girds Canyon, near road. Ross Lake National Recreation Area; 3/4 miles north of Lightning Elev. 2000 ft. Creek, 50 meters east of East Bank Trail. 44° 41.9' N, 120° 10' W Elev. 1800 ft. Shurb, 1-2 m. tall. Locally abundant on canyon walls and in course 48° 52' 59.87106" N, 121° 1' 43.38053" W; UTM Zone 10, scree. White corolla. Phenology: Flowers & Fruits. Origin: Native. 644522E, 5416137N; Source: Calc. from UTM, UTM from field notes. Emily Griswold 2000-02 9 Jun 2000 Dry coniferous forest and rock balds; with Pinus Ponderosa, Pseudotsuga menziesii. Large shrub 2.5 meters tall, shaded by a WTU-349749 large Douglas fir, in dry soil next to balds. Phenology: Flowers. Origin: Native. Hydrangeaceae Justin Hohn 2 12 Jul 2002 Philadelphus lewisii Pursh WTU-354063, NPS accession 632, catalog 23123 U.S.A., OREGON, WHEELER COUNTY: Hydrangeaceae Ochoco National Forest: Sutton Mountain - Black Canyon. 44° 42.442' N, 120° 10.264' W; T10S R21E S14 Philadelphus lewisii Pursh Shrub about 3-6 ft. tall, white petals, last year's fruit. Phenology: Flowers & Fruits. Origin: Native. U.S.A., WASHINGTON, WHATCOM COUNTY: Ross Lake National Recreation Area; along east side of Ross Lake Sasa Stefanovic 00-09 9 Jun 2000 near Lightning Creek. 48° 52.3' N, 121° 1' W; UTM Zone 10, 645439.116E, WTU-350004 5414867.163N; Source: Field notes, UTM calculated from Lat-Lon. West-facing slope, full sun. Phenology: Flowers & Fruits. Origin: Native. Hydrangeaceae Phil Smith 71202-22 12 Jul 2002 Philadelphus lewisii Pursh WTU-354299, NPS accession 632, catalog 23512 U.S.A., WASHINGTON, KLICKITAT COUNTY: Klickitat River Valley. Elev. 1132 ft. Hydrangeaceae 45° 58.907' N, 121° 7.502' W; T5N R13E S25 SE 1/4; NW 1/4 Deep gorge with volcanic rock cliffs, gravel/boulder riverbottom. Acer Philadelphus lewisii Pursh macrophyllum, Pseudotsuga menziesii, Acer circinnatum. Sparse cover story. White flowers. Occasional in riverbottom zone. U.S.A., WASHINGTON, KING COUNTY: Phenology: Flowers. Origin: Native. Near Issaquah. 47.53028°, -122.03139°; WGS 84, uncertainty: 5000 m., Source: Alison Colwell 01-45 17 Jun 2001 GeoLocate, Georef'd by WTU Staff Open rocky slopes. Phenology: Flowers & Fruits. Origin: Native. WTU-350101 J. William Thompson 10522 30 May 1934 Hydrangeaceae WTU-16371JWT Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, KLICKITAT COUNTY: Along Rattlesnake Rd., 4.8 mi. from Husum. Philadelphus lewisii Pursh f. gordonianus (Lindley) comb. Elev. 896 ft. nov. 45° 50.503' N, 121° 25.076' W Roadside near Rattlesnake creek; Alnus rubra. Growing in loose U.S.A., WASHINGTON, KING COUNTY: rock. Phenology: Flowers. Origin: Native. Seattle. 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., Don Knoke 01-151 17 Jun 2001 Source: Digital Map, Georef'd by Joseph Stormer [No year given]. Phenology: Flowers & Fruits. WTU-352033 E. S. Meany s.n. May WTU-9644

Hydrangeaceae Philadelphus lewisii Pursh U.S.A., WASHINGTON, KING COUNTY: Seattle. 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., Source: Digital Map, Georef'd by Joseph Stormer [No year given]. Phenology: Flowers & Fruits. Origin: Native. C. V. Piper s.n. Jun WTU-9578 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh f. gordonianus (Lindley) comb. Philadelphus lewisii Pursh f. gordonianus (Lindley) comb. nov. nov. U.S.A., WASHINGTON, KING COUNTY: U.S.A., WASHINGTON, KING COUNTY: Seattle. Kirkland. 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., 47.68167°, -122.2075°; WGS 84, uncertainty: 10000 m., Source: Source: Digital Map, Georef'd by Joseph Stormer GeoLocate, Georef'd by WTU Staff Phenology: Flowers & Fruits. Springs. Phenology: Flowers & Fruits. Emma A. Shumway s.n. Apr 1892 Jennie V. Getty s.n. Jul 1905 WTU-9532 WTU-9771

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh f. gordonianus (Lindley) comb. Philadelphus lewisii Pursh nov. U.S.A., WASHINGTON COUNTY: U.S.A., WASHINGTON, KING COUNTY: Georgetown. Seattle. Phenology: Flowers & Fruits. Origin: Native. 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., Source: Digital Map, Georef'd by Joseph Stormer W. Bailey s.n. 25 Jun 1908 Phenology: Flowers & Fruits. WTU-274765 C. V. Piper s.n. Jun 1892 WTU-9577 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, KING COUNTY: Philadelphus lewisii Pursh Mount Baker Park - Seattle. 47.57861°, -122.28833°; WGS 84, uncertainty: 10000 m., Source: U.S.A., WASHINGTON, KING COUNTY: GeoLocate, Georef'd by WTU Staff West Seattle. Phenology: Flowers & Fruits. Origin: Native. 47.56253°, -122.38227°; WGS 84, uncertainty: 4000 m., Source: Digital Map, Georef'd by Ibro Polovina Webster s.n. 23 Jun 1910 Phenology: Flowers & Fruits. Origin: Native. WTU-274815 Emma A. Shumway s.n. 25 Jun 1892 WTU-118914 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, KING COUNTY: Philadelphus lewisii Pursh Shore of Lake Washington, Sandpoint flying field. 47.68141°, -122.25054°; WGS 84, uncertainty: 1500 m., Source: U.S.A., WASHINGTON, KING COUNTY: GeoLocate, Georef'd by WTU Staff Seattle. Phenology: Flowers & Fruits. Origin: Native. 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., Source: Digital Map, Georef'd by Joseph Stormer Harold E. Helmrich 6 23 Jun 1932 Phenology: Flowers & Fruits. Origin: Native. WTU-306258 E. S. Meany s.n. 23 Jun 1898 WTU-40034 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, KING COUNTY: Philadelphus lewisii Pursh Seattle. 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., U.S.A., WASHINGTON, KING COUNTY: Source: Digital Map, Georef'd by Joseph Stormer Seattle. Phenology: Fruits. 47.613617°, -122.310098°; WGS 84, uncertainty: 15750 m., Source: Digital Map, Georef'd by Joseph Stormer I. L. Norberg s.n. Sep 1933 Phenology: Flowers & Fruits. Origin: Native. WTU-22793 E. S. Meany s.n. 23 Jun 1898 WTU-39277 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, KING COUNTY: U.S.A., WASHINGTON, KITTITAS COUNTY: Mud Lake, 4 miles northeast of Kirkland. East of Ellensburg. 47.722594°, -122.146691°; WGS 84, uncertainty: 1000 m., 46.99667°, -120.54667°; WGS 84, uncertainty: 10000 m., Source: Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Phenology: Flowers & Fruits. Origin: Native. Rocky draws in the sagebrush plains. [Also on this page: another Philadelphus lewisii]. Phenology: Flowers & Fruits. Origin: Native. Anita Watson 4 9 Aug 1949 J. William Thompson 6721 14 Jun 1931 WTU-150081 WTU-22662JWT-B Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, KING COUNTY: Newhall. U.S.A., WASHINGTON, FERRY COUNTY: 47.47242°, -121.86538°; WGS 84, uncertainty: 65000 m., Source: Along west side of Columbia River 11 miles below the Kettle Falls. GeoLocate, Georef'd by WTU Staff Elev. 1290 ft. Springs. Phenology: Flowers & Fruits. 48.4913°, -118.20365°; WGS 84, uncertainty: 1000 m., Source: GeoLocate, Georef'd by WTU Staff A. S. Pope s.n. 28 Jun 1904 Sandy slope. Phenology: Flowers & Fruits. Origin: Native. WTU-9549 H. T. Rogers 558 30 May 1940 WTU-83053 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, GRANT COUNTY: Philadelphus lewisii Pursh Egbert Springs. Elev. 2000-3000 ft. U.S.A., IDAHO, IDAHO COUNTY: 47.317412°, -119.551132°; WGS 84, uncertainty: 2000 m., Along Getta Creek, Snake River Canyon. Source: GeoLocate, Georef'd by WTU Staff 45.747303°, -116.542478°; WGS 84, uncertainty: 10000 m., Phenology: Flowers & Fruits. Source: GeoLocate, Georef'd by WTU Staff Phenology: Flowers. Origin: Native. J. H. Sandberg s.n. Jul 1893 with J. B. Leiberg jones 2692 17 May 1930 WTU-9514 WTU-28809

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, MASON COUNTY: U.S.A., MONTANA, FLATHEAD COUNTY: Waketichie [Waketickeh] Creek. 1 mile east of bigfork on Swan Lake road. 47.57606°, -123.05841°; WGS 84, uncertainty: 5500 m., Source: Elev. 3200 ft. GeoLocate, Georef'd by WTU Staff T27N R19W Phenology: Fruits. Shrub up to 10 feet tall, abundant along road; white corolla, yellow anthers. Phenology: Flowers. Origin: Native. George Neville Jones 8502 5 Sep 1935 Fred Zwickel 21 24 Jun 1949 WTU-31770 WTU-181928 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, CHELAN COUNTY: Near Leavenworth. U.S.A., IDAHO, LEMHI COUNTY: 47.59639°, -120.66028°; WGS84, uncertainty: 5000 m., Source: East slope of Salmon Mountains near mouth of north Fork Williams GeoLocate, Georef'd by WTU Staff Creek. Roadsides in creek bottoms. [Also on this page: another 45.654096°, -113.970595°; WGS 84, uncertainty: 10000 m., Philadelphus lewisii]. Phenology: Flowers & Fruits. Origin: Native. Source: GeoLocate, Georef'd by WTU Staff Phenology: Flowers. Origin: Native. J. William Thompson 6734 15 Jun 1931 C. L. Hitchcock 14303 1 Jul 1945 WTU-22662JWT-A with C. V. Muhlick WTU-104808 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, CUSTER COUNTY: U.S.A., OREGON, WHEELER COUNTY: 2 miles from mouth of Morgan Creek (empties into Salmon River On the west side of the John Day River near Burnt Ranch. circa 10 miles from Challis.). Elev. 1500 ft. 44.491247°, -114.1951°; WGS 84, uncertainty: 10000 m., Source: T9S R20E S30/31; NAD 27, uncertainty: 805 m., Source: TRS2LL, GeoLocate, Georef'd by WTU Staff Georef'd by Ben Legler Cliffs. Plants 6 feet tall; leaves glabrous except on margins and on Between base of basalt cliff and its talus slope. Shrub 2 meters tall. veins below. Phenology: Flowers. Origin: Native. Phenology: Fruits. Origin: Native. C. L. Hitchcock 9498 2 Jul 1944 Arthur Cronquist 6833 11 Apr 1953 WTU-93172 WTU-157106

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, KOOTENAI COUNTY: U.S.A., OREGON, JOSEPHINE COUNTY: [No locality given on label] Bordering Snailback Trail, 2.4 miles west of Selma on Illinois River 47.676278°, -116.686856°; uncertainty: 44000 m. Road. Open woods. Phenology: Flowers. Origin: Native. Heavily wooded slopes. Alnus rhombifolia, Acer macrophyllum, Pseudotsuga taxifolia, Quercus Garryana, Q. Chrysolepis, and Q J. B. Leiberg 431 Jun 1891 kelloggii association. Phenology: Flowers. Origin: Native. WTU-9390 A. R. Kruckeberg 1827 20 Jun 1950 WTU-183621 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., IDAHO, ELMORE COUNTY: Philadelphus lewisii Pursh Black Creek [Blacks Creek], 10 miles from Boise - Regena [Regina] Highway. U.S.A., OREGON, WASCO COUNTY: 43.496°, -115.925803°; WGS 84, uncertainty: 4828 m., Source: 3 mile snorth of Tygh Ridge Summit. Digital Map, Georef'd by Joseph Stormer Phenology: Flowers. Origin: Native. Along small stream. Phenology: Flowers. Origin: Native. H. Lewis s.n. 13 Jun 1940 C. L. Hitchcock 15433 17 Jun 1947 WTU-72417 WTU-115685 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, VALLEY COUNTY: U.S.A., MONTANA, PONDERA COUNTY: Junction of the Secesh and South Fork of the Salmon River, Payette In lower hills along Cottonwood Creek. Mountains east of Deer National Forest. Lodge. 44.830321°, -114.906532°; WGS 84, uncertainty: 10000 m., Near forest boundary, very rocky ground with Prunus virginiana and Source: GeoLocate, Georef'd by WTU Staff Douglas fir. Phenology: Flowers. Origin: Native. Rocky slopes. Phenology: Flowers. Origin: Native. Frank Trask 329 28 Jul 1963 William H. Baker 11665 6 Jul 1953 WTU-234533 WTU-302683 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., MONTANA, MISSOULA COUNTY: 6 miles south of Missoula. U.S.A., IDAHO, BUTTE COUNTY: Dry hillside among yellow pines. Phenology: Flowers. Origin: Native. At Devils Sewer, Craters of the Moon. 43.42972°, -113.53056°; WGS 84, uncertainty: 10000 m., Source: C. L. Hitchcock 3660 21 Jun 1938 GeoLocate, Georef'd by WTU Staff with Roland V. Rethke, R. Van Raadshooven On lava flow. Phenology: Flowers. Origin: Native. WTU-45293 William H. Baker 10458 17 Jul 1953 WTU-302682 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, BOISE COUNTY: U.S.A., OREGON, JOSEPHINE COUNTY: Near the Payette River just south of Banks. Along the Caves Nature Trail. T9N R3E; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Phenology: Flowers. Origin: Native. Georef'd by WTU Staff Along tiny stream. Shrub 2-3 meters tall. Phenology: Fruits. Origin: William H. Baker 457 23 Jul 1949 Native. with George C. Ruhle Arthur Cronquist 6799 9 Aug 1950 WTU-300010 WTU-146372 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, IDAHO COUNTY: Middle Slopes of Fog Mountain. U.S.A., MONTANA, MISSOULA COUNTY: 46.09333°, -115.23556°; WGS 84, uncertainty: 10000 m., Source: Flathead Lake between Allard and Blue Bay. GeoLocate, Georef'd by WTU Staff Wet bank of brook. Phenology: Flowers. Origin: Native. Phenology: Flowers. Origin: Native. G. B. Rossbach 226 2 Aug 1936 J. H. Christ 51-570 15 Jul 1951 with R. P. Rossbach WTU-302780 WTU-160320 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, KOOTENAI COUNTY: CANADA, BRITISH COLUMBIA: Twin Lakes. Along Fraser River at Hope. 47.85722°, -116.86528°; WGS 84, uncertainty: 10000 m., Source: Elev. 150 ft. GeoLocate, Georef'd by WTU Staff Open level bank of river. Shrub to 10 feet tall, in shade of apple tree, Gravelly banks. Phenology: Flowers. Origin: Native. styles unite 2/3 of length, stigmas very short; flowers very odoriferous; bark of previous season exfoliating or not, semmingly William H. Baker 13424 13 Jul 1955 largely result of rapidity of growth; margins of leaves entire, denticulate or deridate sometimes on same branch, but usually WTU-302881 leaves of individual branches more alike than those of different ones, all leaves about equally pubescent. Phenology: Flowers. Hydrangeaceae C. L. Hitchcock 7377 18 Jun 1941 Philadelphus lewisii Pursh WTU-68185 U.S.A., IDAHO, KOOTENAI COUNTY: Along Beauty Bay, Couer d'Alene Lake. Hydrangeaceae 47.61667°, -116.68278°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff Philadelphus lewisii Pursh Rocky cliffs. Phenology: Flowers. Origin: Native. U.S.A., IDAHO COUNTY: William H. Baker 13564 19 Jul 1955 At top of Greer Hill, along Idaho Highway #11. Elev. 3600 ft. WTU-302880 By roadside. Plant 5 feet tall. Phenology: Flowers. Origin: Native. B. O. Mulligan 7/86 6 Jul 1986 Hydrangeaceae WTU-256543 Philadelphus lewisii Pursh U.S.A., IDAHO, IDAHO COUNTY: Hydrangeaceae Slim's Camp, near mouth of Meadow Creek, south of Selway River. 45.481973°, -115.931284°; WGS 84, uncertainty: 10000 m., Philadelphus lewisii Pursh Source: GeoLocate, Georef'd by WTU Staff Phenology: Flowers. Origin: Native. U.S.A., OREGON, JOSEPHINE COUNTY: Six Mile Creek, near Store Creek Campground. William H. Baker 14250 6 Jul 1956 Elev. 1020 ft. T38S R9W S2; WGS 84, uncertainty: 604 m., Source: Digital Map, WTU-302882 Georef'd by Richard Olmstead Along stream near road. With Pseudotsuga, Acer, Alnus, Quercus, Umbellularia, Rhus, Taxus. Phenology: Flowers. Origin: Native. Richard Olmstead 768 5 Jun 1986 WTU-315658 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, BONNER COUNTY: U.S.A., OREGON, BENTON COUNTY: 2 miles south of Careywood, 23 miles south of Sandpoint. Kiger Island. 48.005773°, -116.64222°; WGS 84, uncertainty: 500 m., Source: Phenology: Flowers. Origin: Native. GeoLocate, Georef'd by WTU Staff Granite outcrop, open woods. Phenology: Flowers. Origin: Native. Bessie Fleischman s.n. 2 Jul 1946 William H. Baker 14917 22 Jun 1957 WTU-131422 WTU-302816 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., OREGON, WALLOWA COUNTY: Northeast hillside near Deep Creek, Snake River Canyon. U.S.A., IDAHO, BOISE COUNTY: Elev. 1000 ft. Along the North Fork of the Payette River, 12 miles north of T4N R49E Gardena. Basaltic bluffs. Shrub, 5-15 feet high. Phenology: Flowers. Origin: 44.082404°, -116.120432°; WGS 84, uncertainty: 1000 m., Native. Source: GeoLocate, Georef'd by WTU Staff Rocky banks. Phenology: Flowers. Origin: Native. L. Constance 1570 15 May 1936 with R. C. Rollins, L. A. Dillon W. H. Baker 10361 10 Jul 1953 WTU-9101JWT WTU-302815 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., OREGON, WALLOWA COUNTY: U.S.A., OREGON, MARION COUNTY: 10 miles west of L.A Grande. 7 miles southwest of Salem on South River Road. Phenology: Flowers. Origin: Native. On wooded hillside; dominant tree Psudotsuga menziesii; with Acer circinatum, Rhus diversiloba and Holodiscus discolor. Flowers white, C. L. Hitchcock 13848 23 Jun 1946 rather fragrant; shrub about 8 feet tall. Phenology: Flowers. Origin: with C. V. Muhlick Native. WTU-104807 La Rea J. Dennis 1390 7 Jul 1959 with Mary Lou Ivie Hydrangeaceae WTU-200786 Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, SKAMANIA COUNTY: Cape Horn. Philadelphus lewisii Pursh Elev. 65 ft. T1N R5E S16; NAD 27, uncertainty: 805 m., Source: TRS2LL, CANADA, BRITISH COLUMBIA: Georef'd by Ben Legler Along Fraser River at Hope. Douglas fir forest; railroad right of way, rocky, full sun, dry. Elev. 150 ft. Pseudotsuga menziesii, Acer macrophyllum, Acer douglasii, Open level bank. Plant 10 feet distant from #7377; note size of Philadelphus association. Phenology: Flowers. Origin: Native. leaves of young growth; leaves narrower than in #7377 (Rydberg's P. angustifolia). Plant 8 feet tall. Phenology: Flowers. L. E. Detling 7339 3 Jul 1953 C. L. Hitchcock 7378 18 Jun 1941 WTU-200442 WTU-68187 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh CANADA, BRITISH COLUMBIA: Along Fraser River at Hope. CANADA, BRITISH COLUMBIA: Elev. 150 ft. Summerland Experimental Station. Open level bank. Plant 20 feet distant from #7377; note size and In decidouous woods at base of north-facing slope. Common 3'-4' shape of leaves and vigor and size of flowers on young growth; shrub; flowers white. Phenology: Flowers. styles united nearly to summit; plants 9 feet tall. Phenology: Flowers. J. A. Calder 9727 27 Jun 1953 C. L. Hitchcock 7379 18 Jun 1941 with J. S. Martin WTU-174012 WTU-68168 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh CANADA, BRITISH COLUMBIA: U.S.A., OREGON, UNION COUNTY: 5 miles east of Lytton on Highway #1. By Catherine Creek, near Union. Beside stream, in shade. Shrub 4 feet tall, styles united 2/3 length, Dry hillsides. Phenology: Flowers. Origin: Native. notched petals circa 3/4 inches long. Phenology: Flowers. J. William Thompson 4847 16 Jun 1928 C. L. Hitchcock 7391 19 Jun 1941 with J. S. Martin WTU-22660JWT-A WTU-68231 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh f. gordonianus (Lindley) U.S.A., OREGON, MULTNOMAH COUNTY: East Portland. U.S.A., OREGON, TILLAMOOK COUNTY: Waste ground. Phenology: Flowers. Origin: Native. Trask River. Phenology: Flowers. J. William Thompson 845 27 May 1926 G. E. Morrill 181 16 Jul 1933 WTU-22660JWT-B WTU-27715 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., OREGON COUNTY: Rogue River Watershed. U.S.A., IDAHO, BONNER COUNTY: Phenology: Flowers. Origin: Native. Priest River Experimental Forest. 48.355678°, -116.787586°; WGS 84, uncertainty: 4000 m., W. C. Cusick 4878A 1 Jul 1915 Source: Digital Map, Georef'd by Melissa Bowers Spruce-fir zone; beside a talus slope. Rare at this altitude - one plant WTU-142692 seen. Phenology: Flowers. Origin: Native. R. F. Daubenmire 43353 7 Aug 1943 Hydrangeaceae WTU-241063 Philadelphus lewisii Pursh U.S.A., OREGON, WASCO COUNTY: Hydrangeaceae Along east side of Deschutes River at Sherar's Bridge, 8 miles east of Tygh Valley. Philadelphus lewisii Pursh T4S R14E In thin basaltic soil. Shrub 2 meters high. Phenology: Fruits. Origin: U.S.A., OREGON, BENTON COUNTY: Native. Brook Lane. Phenology: Flowers. Origin: Native. Arthur Cronquist 6153 3 Apr 1950 H. M. Gilkey s.n. 16 Jun 1943 WTU-144236 with N. A. Rees WTU-73340 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., MONTANA, MADISON COUNTY: Philadelphus lewisii Pursh 15 miles west of McAllister. Meadow creek. Common. Phenology: Flowers. Origin: Native. U.S.A., IDAHO, BOISE COUNTY: Three miles east of Lowman. W. E. Booth 2933 5 Jul 1948 44.08361°, -115.61972°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff WTU-136945 Dry gravelly soil. Plants to 8 feet tall; leaves sparsely pubescent above, glabrous below except along veins; styles united slightly more than half their length. Phenology: Flowers. Origin: Native. Hydrangeaceae C. L. Hitchcock 9759 10 Jul 1944 Philadelphus lewisii Pursh WTU-93174 U.S.A., OREGON, WASCO COUNTY: Along Columbia River Highway, near Dufur. Under cliffs. Phenology: Flowers. Origin: Native. W. B. Cooke 17337 9 Jun 1946 WTU-134845 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., MONTANA, MISSOULA COUNTY: U.S.A., OREGON, JOSEPHINE COUNTY: Cliffs above Missoula River ca. [circa] 20 miles east of Missoula. Siskiyou National Forest. On Road 3941, 14.2 miles east of Cave Elev. 3500 ft. Junction or 1.4 miles east of intersection of 46 and 3941. Phenology: Flowers. Origin: Native. Elev. 2160 ft. 42.127345°, -123.455933°; uncertainty: 5000 m., Georef'd by C. L. Hitchcock 9090 20 Jun 1944 Joseph Stormer with C. V. Muhlick Stream near road with Alnus, Quercus, Acer macrophyllum, Pseudotsuga, Salix, some Arbutus and Chamaecyparis. Petals WTU-93171 white; locally common; small trees about eight feet tall. Phenology: Flowers. Origin: Native. Hydrangeaceae Melinda F. Denton 2513 22 Jun 1973 Philadelphus lewisii Pursh WTU-258971 U.S.A., OREGON, BAKER COUNTY: At mouth of Pine Creek, 4 miles south of Homestead. Hydrangeaceae T7S R48E Shrub 1.5-3 meters tall; flowers white. Phenology: Flowers. Origin: Philadelphus lewisii Pursh Native. U.S.A., IDAHO, IDAHO COUNTY: Arthur Cronquist 6533 11 Jun 1950 Along US Forest Service Road number 290, about 4 miles above Selway FAlls. WTU-146371 Elev. 2500 ft. 46.110134°, -115.30639°; WGS 84, uncertainty: 1000 m., Source: GeoLocate, Georef'd by WTU Staff Hydrangeaceae Plants 8-9 feet tall. Phenology: Flowers. Origin: Native. Philadelphus lewisii Pursh B. O. Mulligan s.n. 9 Jul 1974 U.S.A., OREGON, WASHINGTON COUNTY: WTU-266725 Two miles north of Cornelius Pass. Elev. 150 ft. Grassy openings withe Holodiscus, Berberis and Quercus Garryana Hydrangeaceae in cut-over Pseudotsuga grove. Branched shrub, 3-5 feet high; flowers honeysuckle-scented. Phenology: Flowers. Origin: Native. Philadelphus lewisii Pursh Lincoln Constance 2765 14 Jun 1940 U.S.A., OREGON, WALLOWA COUNTY: with Alan A. Beetle Aneroid Trail in Wallowa Mountains. Elev. 5120 ft. WTU-79053 T3S R45E S32; NAD 27, uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler Rocky northeast slope; moderately dry; partial shade; with Larix, Hydrangeaceae Populus tremuloides and Physocarpus. Phenology: Flowers. Origin: Native. Philadelphus lewisii Pursh LeRoy E. Detling 7835 21 Jul 1956 CANADA, BRITISH COLUMBIA: Along Fraser River at Hope. WTU-255869 Elev. 150 ft. Along open bank. Shrub 2.5 meters tall. Phenology: Flowers. Hydrangeaceae C. L. Hitchcock 7361 18 Jun 1941 with J. S. Martin Philadelphus lewisii Pursh WTU-68190 U.S.A., IDAHO, IDAHO COUNTY: 1/2 miles east of Little Van Buren Creek on Slate Creek. T27N R2E S26, 35; WGS 84, uncertainty: 1000 m., Source: Hydrangeaceae GeoLocate, Georef'd by WTU Staff Along creek in ponderosa pine association. Phenology: Flowers. Philadelphus lewisii Pursh Origin: Native. U.S.A., MONTANA, LAKE COUNTY: Quentin Jones 114 28 Jun 1950 1 mile west of McDonald Lake, Mission Range. 47.422273°, -114.009721°; WGS 84, uncertainty: 1000 m., WTU-142018 Source: Digital Map, Georef'd by Joseph Stormer Under yellow pines in rather deep shade. Phenology: Flowers. Origin: Native. C. L. Hitchcock 18198 10 Jul 1948 WTU-126529 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh CANADA, BRITISH COLUMBIA: U.S.A., WASHINGTON, WHITMAN COUNTY: High Mountains between Cascade and Rossland. At the head of Wawawai Canyon. 49.12616°, -118.026573°; uncertainty: 21636 m., Georef'd by 46.624881°, -117.337032°; WGS 84, uncertainty: 10000 m., Joseph Stormer Source: GeoLocate, Georef'd by WTU Staff Phenology: Flowers. Arid transition zone, in moist draws. Phenology: Flowers & Fruits. Origin: Native. J. William Thompson 14415 18 Jul 1939 W. A. Weber 2220 1 Jun 1941 WTU-21319JWT WTU-66732 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., MONTANA, RAVALLI COUNTY: Fifteen miles west of Skalkaho Road summit. U.S.A., WASHINGTON, KITTITAS COUNTY: Phenology: Flowers. Origin: Native. Blewett Pass Region, Cascade Mountains. 47.33556°, -120.57778°; WGS 84, uncertainty: 10000 m., Source: C. L. Hitchcock 14520 7 Jul 1946 GeoLocate, Georef'd by WTU Staff with C. V. Muhlick Phenology: Flowers & Fruits. Origin: Native. WTU-104805 J. M. Grant s.n. Aug 1929 WTU-42188 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., OREGON, DOUGLAS COUNTY: Philadelphus lewisii Pursh f. gordonianus (Lindley) comb. Roseburg Quadrangle. nov. 43.25°, -123.5°; WGS 84, uncertainty: 49000 m., Source: Digital Map, Georef'd by Joseph Stormer U.S.A., WASHINGTON, KITSAP COUNTY: Alluvial streambanks, copses, mountain forests. A straggling shrub, Indianola. 6-7 feet. Phenology: Flowers. Origin: Native. Elev. 100 ft. 47.74722°, -122.52444°; WGS 84, uncertainty: 10000 m., Source: W. C. Cusick 4125 16 Jun 1914 GeoLocate, Georef'd by WTU Staff Phenology: Flowers & Fruits. WTU-144558 I. C. Otis 1473 4 Jul 1925 Hydrangeaceae WTU-27720 Philadelphus lewisii Pursh Hydrangeaceae U.S.A., IDAHO, SHOSHONE COUNTY: Above Saint Joe River. 8 miles north of Avery. Philadelphus lewisii Pursh 47.366364°, -115.80417°; WGS 84, uncertainty: 500 m., Source: GeoLocate, Georef'd by WTU Staff U.S.A., WASHINGTON, KLICKITAT COUNTY: Rocky bank. Well branched shrubs 3-6 feet tall; petals white; Five miles west of Bingen, above Columbia River. stamens pale yellow; about 25-30. Phenology: Flowers. Origin: 45.715°, -121.46333°; WGS 84, uncertainty: 10000 m., Source: Native. GeoLocate, Georef'd by WTU Staff In shale. Phenology: Flowers & Fruits. Origin: Native. C. Leo Hitchcock 21716 3 Jul 1958 with C. V. Muhlick C. L. Hitchcock 13761 31 May 1946 WTU-190290 WTU-104777 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., OREGON COUNTY: Le Grande. U.S.A., WASHINGTON, PIERCE COUNTY: Phenology: Fruits. Origin: Native. Tacoma. 47.25306°, -122.44306°; WGS 84, uncertainty: 10000 m., Source: M. E. Jones 25445 3 Jul 1930 GeoLocate, Georef'd by WTU Staff Dry places. Phenology: Flowers & Fruits. WTU-16396JWT J. B. Flett s.n. 5 Jul 1894 WTU-37534 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, STEVENS COUNTY: U.S.A., WASHINGTON, CHELAN COUNTY: Cedonia. (2 miles north). Along Etienne Creek, Wenatchee Mountains. 48.15389°, -118.16806°; WGS 84, uncertainty: 10000 m., Source: Elev. 3000 ft. GeoLocate, Georef'd by WTU Staff 47.42997°, -120.71614°; WGS84, uncertainty: 6500 m., Source: Phenology: Flowers & Fruits. Origin: Native. Georeferenced, Georef'd by WTU Staff Yellow pine slopes. Phenology: Flowers. Origin: Native. Carl H. Spiegelberg 51 15 Jun 1923 J. William Thompson 12610 19 Aug 1935 WTU-139308 WTU-16497JWT Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh f. gordonianus (Lindley) U.S.A., WASHINGTON, YAKIMA COUNTY: Along Status Creek, 6.5 mi S of mouth of Logy Creek on Hwy 97. U.S.A., WASHINGTON, ISLAND COUNTY: Elev. 1394 ft. Whidbey Island. 46.205596°, -120.476744°; WGS 84, uncertainty: 5000 m., 48.153531°, -122.522473°; WGS 84, uncertainty: 30000 m., Source: GeoLocate, Georef'd by WTU Staff Source: Digital Map, Georef'd by Joseph Stormer Arid transition riverine. Phenology: Flowers & Fruits. Origin: Native. Deep woods. Phenology: Flowers & Fruits. E. Hunn 407 11 Jun 1977 N. L. Gardner s.n. 25 Jun 1897 WTU-271059 WTU-9734

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh f. gordonianus (Lindley) comb. Philadelphus lewisii Pursh nov. U.S.A., WASHINGTON, CHELAN COUNTY: U.S.A., WASHINGTON, CLALLAM COUNTY: Entiat Valley. Sequim. Elev. 900 ft. 48.07977°, -123.10253°; WGS 84, uncertainty: 1500 m., Source: 47.67611°, -120.20722°; WGS84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Garden. Phenology: Flowers & Fruits. Phenology: Fruits. Origin: Native. J. M. Grant s.n. 6 Jun 1915 G. E. Morrill 291 16 Aug 1933 WTU-9717 WTU-27929

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, FERRY COUNTY: U.S.A., WASHINGTON, YAKIMA COUNTY: Jenny Creek. Lerroll [?] Creek, Rattlesnake Mountains. T40N R36E S34; NAD 27, uncertainty: 805 m., Source: TRS2LL, Elev. 2500 ft. Georef'd by Ben Legler 46.74942°, -121.24936°; WGS 84, uncertainty: 2000 m., Source: Phenology: Flowers & Fruits. Origin: Native. GeoLocate, Georef'd by WTU Staff In gulches. Phenology: Flowers & Fruits. Origin: Native. I. C. Otis 595 24 Jun 1911 J. S. Cotton 674 1902 WTU-16496JWT WTU-9858 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh f. gordonianus (Lindley) Philadelphus lewisii Pursh U.S.A., WASHINGTON, PIERCE COUNTY: Tacoma. U.S.A., WASHINGTON, CHELAN COUNTY: Woods. Phenology: Flowers & Fruits. Along Etienne Creek, Wenatchee Mountains. Elev. 3000 ft. J. B. Flett s.n. 25 Jun 1896 47.42997°, -120.71614°; WGS84, uncertainty: 6500 m., Source: Georeferenced, Georef'd by WTU Staff WTU-33534 Yellow pine slopes. Phenology: Fruits. Origin: Native. J. William Thompson 12610 19 Aug 1935 WTU-32905 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, KLICKITAT COUNTY: U.S.A., WASHINGTON, SPOKANE COUNTY: Bingen. Spokane. 45.71495°, -121.46462°; WGS 84, uncertainty: 500 m., Source: 47.65889°, -117.425°; WGS 84, uncertainty: 1000 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Dry plains. Phenology: Flowers & Fruits. Origin: Native. On bluffs near the river. Phenology: Flowers. Origin: Native. Wilhelm N. Suksdorf 6922 5 Jun 1910 Sister Mary Milburge s.n. Jun 1931 WTU-117509 WTU-30747

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, MASON COUNTY: U.S.A., WASHINGTON, CHELAN COUNTY: Twanoh State Park, Hood Canal. Entiat Valley. 47.37345°, -122.97428°; WGS 84, uncertainty: 1000 m., Source: Elev. 900 ft. GeoLocate, Georef'd by WTU Staff 47.67611°, -120.20722°; WGS84, uncertainty: 10000 m., Source: Phenology: Fruits. Origin: Native. GeoLocate, Georef'd by WTU Staff Phenology: Fruits. Origin: Native. Harold W. Smith 1659 1 Oct 1935 G. E. Morrill 291 16 Aug 1933 WTU-221419 WTU-16370JWT Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, YAKIMA COUNTY: In Rattlesnake Hills 15 miles north of Centerville. U.S.A., WASHINGTON, KITTITAS COUNTY: 46.52222°, -120.33361°; WGS 84, uncertainty: 10000 m., Source: Ginkgo Petrified Forest State Park. Rocky Coulee. GeoLocate, Georef'd by WTU Staff 46.953252°, -120.001102°; WGS 84, uncertainty: 10000 m., Desert wash. Plant very straggly, 3 feet tall. Phenology: Fruits. Source: GeoLocate, Georef'd by WTU Staff Origin: Native. Phenology: Fertile. Origin: Native. C. L. Hitchcock 8205 23 May 1944 Harold W. Smith 730 19 Jun 1936 with C. V. Muhlick WTU-221200 WTU-91182 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, STEVENS COUNTY: U.S.A., WASHINGTON, KLICKITAT COUNTY: Columbia River Valley, 2 miles southwest of Marble. Bingen. Elev. 2200 ft. 45.71495°, -121.46462°; WGS 84, uncertainty: 500 m., Source: 48.573336°, -118.087048°; WGS 84, uncertainty: 1000 m., GeoLocate, Georef'd by WTU Staff Source: GeoLocate, Georef'd by WTU Staff Dry plains. Phenology: Flowers. Origin: Native. Sandy alluvial soil, southeast slope. Phenology: Flowers & Fruits. Origin: Native. Wilhelm N. Suksdorf 7011 5 Jun 1910 Geo. G. Hedgcock s.n. 2 Jul 1932 WTU-117508 WTU-95955 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, CHELAN COUNTY: 8 miles north of Wenatchee at mouth of Swakane Canyon. U.S.A., WASHINGTON, KLICKITAT COUNTY: 47.545859°, -120.284934°; WGS84, uncertainty: 500 m., Source: Falcon Valley (Kelly's Farm). Georeferenced, Georef'd by WTU Staff 45.97682°, -121.30818°; WGS 84, uncertainty: 9000 m., Source: Along creek itself. Shrubs 8 feet tall. Phenology: Flowers & Fruits. GeoLocate, Georef'd by WTU Staff Origin: Native. Phenology: Fruits. Origin: Native. C. L. Hitchcock 17353 17 Jun 1948 Wilhelm N. Suksdorf s.n. 22 Aug 1896 WTU-125788 WTU-117511 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, KLICKITAT COUNTY: U.S.A., WASHINGTON, WHITMAN COUNTY: Bingen. Snake River Canyon, Wawawai. 45.71495°, -121.46462°; WGS 84, uncertainty: 500 m., Source: 46.63139°, -118.05194°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Near a maple on dry plains. Phenology: Fruits. Origin: Native. Thickets. Phenology: Flowers & Fruits. Origin: Native. Wilhelm N. Suksdorf 6921 21 Jul 1910 William H. Baker 7506 23 May 1951 WTU-117510 WTU-156003

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, STEVENS COUNTY: U.S.A., WASHINGTON, WHITMAN COUNTY: Cedonia. Above Palouse Falls. 48.15389°, -118.16806°; WGS 84, uncertainty: 10000 m., Source: 46.91028°, -117.07472°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Near water courses and on north, east or west exposures. Shrubs, Rocky draw. Phenology: Fertile. Origin: Native. petals 4, stamens borne on the calyx tube, perianth parts in two sets, leaves opposite. Phenology: Flowers & Fruits. Origin: Native. H. St. John 6196 23 May 1923 with F. L. Pickett Mae E. Dennis s.n. 2 Jul 1946 WTU-89207 WTU-110823 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, KITSAP COUNTY: U.S.A., WASHINGTON, SPOKANE COUNTY: Indianola. Clark Springs, 10 miles north of Spokane. Elev. 100 ft. 47.813611°, -117.406667°; NAD 27, uncertainty: 10000 m., 47.74722°, -122.52444°; WGS 84, uncertainty: 10000 m., Source: Source: Georeferenced, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Gravel. Phenology: Fruits. Origin: Native. Phenology: Flowers & Fruits. Origin: Native. F. O. Kreager 598 12 Sep 1902 I. C. Otis 1473 4 Jul 1925 WTU-74113 WTU-16395JWT

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, SPOKANE COUNTY: U.S.A., WASHINGTON, SPOKANE COUNTY: Clark Springs, 10 miles north of Spokane. Along the Spokane River at Spokane. 47.803635°, -117.425°; WGS 84, uncertainty: 1000 m., Source: 47.65889°, -117.425°; WGS 84, uncertainty: 5000 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by WTU Staff Edge of open, gravelly pine woods. Phenology: Flowers. Origin: Phenology: Flowers & Fruits. Origin: Native. Native. Sister Mary Milburge 476 16 Jun 1932 F. O. Kreager 31 26 Jun 1902 WTU-22663JWT-A WTU-68630 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, KLICKITAT COUNTY: U.S.A., WASHINGTON, KITTITAS COUNTY: Along Pine Creek, 1 mile above the mouth, 7 miles northeast of Rocky Coulee, Ginkgo State Park. Roosevelt. 46.956623°, -119.988914°; WGS 84, uncertainty: 10000 m., Elev. 400 ft. Source: GeoLocate, Georef'd by WTU Staff 45.813921°, -120.112227°; WGS 84, uncertainty: 1000 m., Phenology: Flowers & Fruits. Origin: Native. Source: GeoLocate, Georef'd by WTU Staff Along rocky (Basaltic) creek banks. Shrub 1-2 meters tall. Harold W. Smith 730 19 Jun 1936 Phenology: Fertile. Origin: Native. WTU-35669 Arthur Cronquist 5660 5 Apr 1949 WTU-169135 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, ASOTIN COUNTY: U.S.A., OREGON, MULTNOMAH COUNTY: Snake River 3 miles south of Asotin. Portland. 46.296006°, -117.04722°; WGS 84, uncertainty: 1000 m., Source: 45.52361°, -122.675°; WGS 84, uncertainty: 12756 m., Source: GeoLocate, Georef'd by WTU Staff GeoLocate, Georef'd by Maria Yousoufian River bank. Shrub 10 feet tall, upper surface of leaves pubescent, Phenology: Flowers. Origin: Native. lower surface glabrous except on and along veins. Phenology: Fertile. Origin: Native. Dr. J. Lunell s.n. 19 Jun 1903 C. L. Hitchcock 8367 27 May 1944 WTU-254203 with C. V. Muhlick WTU-93173 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., MONTANA COUNTY: Philadelphus lewisii Pursh f. gordonianus (Lindley) comb. Echo Lake, Flathead National Forest, Rocky Mountains. nov. New twigs not very red. Phenology: Flowers. Origin: Native. U.S.A., OREGON, WALLOWA COUNTY: C. H. Kauffman 123 2 Jul 1928 Along Imnaha River, Snake River Canyon. with G. B. Cummins Phenology: Fertile. WTU-250999 G. N. Jones 6432 11 Apr 1931 WTU-28841 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., MONTANA, GRANITE COUNTY: Philadelphus lewisii Pursh Harrys Flat Camp, Rock Creek Canyon. 46.538121°, -113.748984°; uncertainty: 1600 m. U.S.A., IDAHO, SHOSHONE COUNTY: Phenology: Flowers. Origin: Native. Little Baldy Lookout. T50N R5E S8; WGS 84, uncertainty: 10000 m., Source: C. L. Hitchcock 14414 6 Jul 1946 GeoLocate, Georef'd by WTU Staff with C. V. Muhlick Phenology: Flowers. Origin: Native. WTU-104806 Jean G. Witt 1084 27 Jul 1946 WTU-118343 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., MONTANA, SANDERS COUNTY: Philadelphus lewisii Pursh Clark Basin, Winter Range. Elev. 3000 ft. U.S.A., OREGON, WALLOWA COUNTY: T20N R23W S4; NAD 27, uncertainty: 805 m., Source: TRS2LL, Mouth of the Imnaha River, Snake River Canyon. Georef'd by Ben Legler Phenology: Flowers. Origin: Native. Gravelly loam in creek bottoms; 5% north slope; moderate useage. Associated: AME, PDE, Pam, Ros. Forage Value: C+H - 30%, S + G G. N. Jones 574 22 May 1927 - 60%. 3-6 feet; June flowering period. Phenology: Flowers. Origin: Native. WTU-28804 D. R. Hudson 98 20 Jun 1938 Hydrangeaceae WTU-46165 Philadelphus lewisii Pursh Hydrangeaceae U.S.A., OREGON, WALLOWA COUNTY: Mouth of the Imnaha River, Snake River Canyon. Philadelphus lewisii Pursh Phenology: Fertile. Origin: Native. U.S.A., MONTANA, BEAVERHEAD COUNTY: G. N. Jones 574 22 May 1927 Rock Creek, 5 miles from mouth, Pioneer Range. In granitic talus. Shrub 3 feet tall. Phenology: Flowers. Origin: WTU-28803 Native. C. L. Hitchcock 13026 31 Jul 1945 with C. V. Muhlick WTU-100767 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO COUNTY: U.S.A., IDAHO, LEMHI COUNTY: Palouse Country and about Lake Ceour d' Alene. Along Wimpey Creek, West Fork, just below canyon in Beaverhead Phenology: Flowers. Origin: Native. Mountains, 3.5 miles northeast from Baker. Elev. 5000 ft. Geo. B. Aiton s.n. Jun 1892 45.426674°, -114.090375°; WGS 84, uncertainty: 1000 m., Source: GeoLocate, Georef'd by WTU Staff WTU-95647 Phenology: Fertile. Origin: Native. H. R. Bennett 7585 22 Jul 1961 Hydrangeaceae WTU-212957 Philadelphus lewisii Pursh U.S.A., IDAHO, LEMHI COUNTY: Hydrangeaceae Along Spring Creek 1 mile from mouth, northwest of Indianola Ranger Station. Philadelphus lewisii Pursh 45.09424°, -114.230928°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff U.S.A., WASHINGTON COUNTY: Shrubs 6 feet tall, rather well shaped. Phenology: Flowers. Origin: 1.5 miles northeast of New Boundary. Native. Elev. 2100 ft. Sandy alluvial soil; southwest slope. Phenology: Flowers. Origin: C. L. Hitchcock 14334 2 Jul 1946 Native. with C. V. Muhlick Geo. G. Hedgcock s.n. 27 Jun 1932 WTU-104804 WTU-95954 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., MONTANA, MISSOULA COUNTY: Rattlesnake Valley, near Missoula. CANADA, BRITISH COLUMBIA: Phenology: Flowers. Origin: Native. High Mountains between Cascade and Rossland. 49.12616°, -118.026573°; uncertainty: 21636 m., Georef'd by Frank H. Rose 498 15 Jun 1938 Joseph Stormer Phenology: Flowers. WTU-48742 J. William Thompson 14415 18 Jul 1939 Hydrangeaceae WTU-57159 Philadelphus lewisii Pursh Hydrangeaceae U.S.A., IDAHO, LEMHI COUNTY: Circa 10 miles south of Salmon. Philadelphus lewisii Pursh Elev. 3900 ft. 45.031022°, -113.895°; WGS 84, uncertainty: 1000 m., Source: U.S.A., OREGON, JOSEPHINE COUNTY: GeoLocate, Georef'd by WTU Staff Along road, above Cave Creek; Oregon Caves National Monument. Gravelly hillside. Phenology: Flowers. Origin: Native. Phenology: Flowers. Origin: Native. C. L. Hitchcock 3730 22 Jun 1938 William H. Baker 786 25 Jun 1950 with Roland V. Rethke, R. Van Raadshooven with George C. Ruhle WTU-45291 WTU-300120

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., MONTANA, LAKE COUNTY: CANADA, BRITISH COLUMBIA: [No locality given on label] 5 miles east of Lytton on Highway #1. Elev. 3950 ft. Beside stream in shade. Plant 6 feet distant from #7392; petals at T23N R18W S24; NAD 27, uncertainty: 805 m., Source: TRS2LL, least 1 inch long, scarcely notched, broadest above middle, styles Georef'd by Ben Legler united 3/4 length. Phenology: Flowers. In upland Abies grandis forest. Scattered. Phenology: Fertile. Origin: Native. C. L. Hitchcock 7392 19 Jun 1941 with J. S. Martin J. R. Habeck s.n. 18 Aug 1962 WTU-68230 WTU-211948 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh f. gordonianus (Lindley) CANADA, BRITISH COLUMBIA: U.S.A., OREGON, JACKSON COUNTY: Victoria, Vancouver Island. 1/2 mile southwest of Prospect. Open woodlands. Phenology: Flowers. Elev. 2600 ft. Open Pseudotsuga forest. Phenology: Flowers. C. F. Newcombe s.n. 18 Jun 1924 C. L. Hitchcock 4983 28 Jun 1939 WTU-107959 with J. S. Martin WTU-361095 Hydrangeaceae Philadelphus lewisii Pursh Hydrangeaceae U.S.A., IDAHO, IDAHO COUNTY: Philadelphus lewisii Pursh Along Getta Creek, Snake River Canyon. 45.747303°, -116.542478°; WGS 84, uncertainty: 10000 m., U.S.A., MONTANA, FLATHEAD COUNTY: Source: GeoLocate, Georef'd by WTU Staff 1 mile south of Columbia Falls. Phenology: Flowers. Origin: Native. 48.357992°, -114.181515°; uncertainty: 1600 m. Woods. 3 meters tall. Phenology: Flowers. Origin: Native. G. N. Jones 2692 17 May 1930 H. T. Rogers 1056 12 Jul 1942 WTU-30646 WTU-361096 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, BOISE COUNTY: Sweet. U.S.A., WASHINGTON, YAKIMA COUNTY: Elev. 3500 ft. Lower Nachez River. Ravine sides. Phenology: Fertile. Origin: Native. 46.64116°, -120.59261°; WGS 84, uncertainty: 6400 m., Source: GeoLocate, Georef'd by WTU Staff J. Francis Macbride 1623 12 Aug 1911 A handsome shrub and the flowers heavily fragrant. Phenology: Flowers. WTU-136324 Louis F. Henderson s.n. 15 Jun 1892 Hydrangeaceae WTU-9680A Philadelphus lewisii Pursh Hydrangeaceae U.S.A., MONTANA, LAKE COUNTY: Cliffs southeast and high above McDonald Lake; Mission Range. Philadelphus lewisii Pursh Phenology: Flowers. Origin: Native. U.S.A., WASHINGTON, THURSTON COUNTY: C. L. Hitchcock 18350 12 Jul 1948 Olympia. 47.03806°, -122.89944°; WGS 84, uncertainty: 10000 m., Source: WTU-125787 GeoLocate, Georef'd by WTU Staff A handsome shrub and the flowers heavily fragrant. Phenology: Flowers. Origin: Native. Hydrangeaceae Louis F. Henderson s.n. 15 Jun 1892 Philadelphus lewisii Pursh WTU-9680B U.S.A., IDAHO, IDAHO COUNTY: At mouth of Sheep Creek. 45.34206°, -116.3489°; WGS 84, uncertainty: 5000 m., Source: Hydrangeaceae GeoLocate, Georef'd by WTU Staff In low, moist, rocky soil. Shrub to 10 feet. Phenology: Flowers. Philadelphus lewisii Pursh Origin: Native. U.S.A., WASHINGTON, WHITMAN COUNTY: B. Le Roy Davidson 112 15 May 1936 Wawawai Canyon. Wawawai Road, about 3 km. south west from the junction with Wawawai-Pullman Road. WTU-354615 46° 36.415' N, 117° 17.734' W; WGS 84 Roadside edge; growing with Marah oregana and Acer negundo. Common along north roadside. Phenology: Flowers. Origin: Native. David Giblin 215 5 Jun 2005 with Ben Legler WTU-364603 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, CHELAN COUNTY: U.S.A., WASHINGTON, GRANT COUNTY: Lake Chelan National Recreational Area. Stehekin State Airstrip. Steamboat Rock State Park. 160 miles east of Seattle; 115 miles Elev. 1196 ft. north of Richland and 17 miles northeast of Coulee City. Along steep 48.34332° N, 120.71854° W; UTM Zone 10, 669049.268E, trail to second bench, below Steamboat Pass. 5356975.232N; WGS 83, uncertainty: 5 m., Source: GPS, UTM Elev. 1700 ft. calculated from Lat-Lon. T27N R29E S2 NE of SE; NAD 27, uncertainty: 805 m., Source: Flat mowed area approximately 3,000 feet long by 300 feet wide. TRS2LL, Georef'd by Ben Legler Public airstrip cut out of valley floor forest. Abies grandis, Alnus Habitat: Sagebrush steppe; Slope 30°, aspect southwest facing. rubra, Acer macrophylla, Pseudotsuga menziesii dominate forest Poor specimen. Phenology: Vegetative. Origin: Native. edge. Airstrip dominated by non-native grasses. Flowers white. Phenology: Flowers. Origin: Native. Abigail Groskopf 11 20 Apr 2005 Dale Blum 06-38 27 Jun 2006 WTU-364453 WTU-366663 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, CHELAN COUNTY: 0.1 miles up Swakane Canyon Road from Highway Alternate 97. U.S.A., WASHINGTON, PIERCE COUNTY: Elev. 852 ft. Mount Rainier National Park. Along the Wonderland Trail circa 0.25 47° 32.769' N, 120° 17.607' W; NAD 27, Source: GPS mile northeast of Ipsut Pass. Dry steep loose slopes around brushy seasonal creek. Occasional Elev. 4600 ft. shrub. Phenology: Fruits. Origin: Native. 46° 57.19' N, 121° 51.981' W; UTM Zone 10, 586261.3E, 5200583.399N; WGS 84, uncertainty: 10 m., Source: GPS, UTM Ben Legler 2650 20 May 2005 calculated from Lat-Lon. Steep, brushy, rocky northeast-facing cirque bordered by cliffs, with WTU-370878 Alnus sinnata, Aruncus dioicus, Rubus parviflorus, Sorbus sitchensis. Petals white; large patch under overhanging cliff; shrubs to 2 meters tall. Phenology: Flowers. Origin: Native. Hydrangeaceae Lara Massey 06-5 8 Aug 2006 Philadelphus lewisii Pursh WTU-366568 U.S.A., WASHINGTON, SKAGIT COUNTY: Campbell Lake. A naturally formed lake approximately 0.75 square miles in size. Hydrangeaceae Elev. 76 ft. 48° 26.3' N, 122° 37.914' W; WGS 84, uncertainty: 9 m. Philadelphus lewisii Pursh Shallow water and lake margin, Salix sp. dominant shrub species. Rare on rocky outcropping. Phenology: Remnants. Origin: Native. U.S.A., IDAHO, CLEARWATER COUNTY: Clearwater National Forest. Black Canyon on Clearwater River. Ben Legler 3669 5 Oct 2006 National Forest Road 250. Roadside stream to river. 0.35 miles with David Giblin south of Pete Ott Creek. 46.74512°, -115.24091°; WGS 84, uncertainty: 500 m., Source: WTU-377695 Nat. Geog. TOPO!, Georef'd by John Bassett Wet roadside ditch with Marchantia, bog orchids and mosses. Low shrubs and dense herbaceous cover mostly on uphill side of road. Hydrangeaceae Shrubs collected on river side of road. White flowers. Yellow center. Fragrant. Phenology: Flowers. Origin: Native. Philadelphus lewisii Pursh Maria Gerace 05-18 9 Jul 2005 U.S.A., WASHINGTON, CHELAN COUNTY: with Robert Goff, Doug Williams, Dale Blum Along Tronson Ridge Trail Number 1204 circa 1 mile south of trailhead off Forest Service Road 7224. 3 air miles north northeast of WTU-369332 Swauk Pass. Elev. 4821 ft. 47° 22' 41" N, 120° 33' 48" W; WGS 84, uncertainty: 9 m. Hydrangeaceae Dry rocky south-facing ridge line with Pseudotsuga menziesii, Pinus ponderosa, Artemisia tridentata var. vaseyana. Petals white. Shrubs Philadelphus lewisii Pursh less than 1 meter tall. Uncommon. Phenology: Flowers. Origin: Native. U.S.A., WASHINGTON, KITTITAS COUNTY: Along Manatash Road 6.8 road miles west of junction with Cove Maria Gerace 06-03 8 Jul 2006 Road in Lower Manastash Canyon. with Barb Smith, Valerie Soza, Keri Cardon, Wendy Gibble, Cindy Elev. 2635 ft. Spurgeon, Joe Arnett, Ben Legler 46° 57' 37" N, 120° 47' 2" W; WGS 84, uncertainty: 50 m., Source: Digital map WTU-375275 Pseudotsuga-dominated forest with brushy understory on flats adjacent to creek. Slender shrubs to over 3 meters tall in openings; scattered. Phenology: Buds. Origin: Native. Ben Legler 3155 10 Feb 2006 Herbarium: WTU Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., CALIFORNIA, TRINITY COUNTY: U.S.A., WASHINGTON, DOUGLAS COUNTY: 5 miles northeast of Forest Glen along Post Creek. United States Department of the Interior, Bureau of Land Elev. 3000 ft. Management land. Douglas Canyon. Vicinity of parking area at base Narrow canyon, mostly with metabasalt substrates. Zone with Pinus of Slack Canyon. sabiniana, Quercus, Philadelphus and Alnus. Shrubs up to 7 feet tall; Elev. 1584 ft. frequent along stream; flowers white. Phenology: Flowers. Origin: 47.49858° N, 119.91239° W; WGS 84, uncertainty: 4 m. Native. South-facing basalt rimrock slope dominated by Artemisia tridentata and Pseudoroegneria spicata; Douglas Creek riparian zone at base Melinda F. Denton 4262 3 Jul 1981 of slope. Common in talus and along riparian area. Phenology: Remnants. Origin: Native. WTU-287447 David Giblin 1520 22 May 2008 with Megan A. Jensen Hydrangeaceae WTU-380937 Philadelphus lewisii Pursh U.S.A., WASHINGTON, CHELAN COUNTY: Hydrangeaceae Wenatchee National Forest. 5.7 miles from US 97 on Forest Road Number 7200. Philadelphus lewisii Pursh Elev. 3368 ft. 47° 26.43' N, 120° 35.028' W U.S.A., OREGON, UMATILLA COUNTY: At roadcut on ridge with steep south slope. White flowered shrub to Along south fork of the Umatilla River. 2 meters. Phenology: Flowers. Origin: Native. Open roadside with alder and shrubs. Phenology: Flowers & Fruits. Origin: Native. Richard G. Olmstead 2006-35 9 Jul 2006 with Sheila Olmstead David Gross 127 15 Jul 2002 WTU-371553 WTU-372931

Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, KITTITAS COUNTY: U.S.A., OREGON, DOUGLAS COUNTY: Blewett Pass. Beatty Creek RNA, Roseburg BLM, 10 air miles SW of town of Elev. 3525 ft. Myrtle Creek. 47° 20.3' N, 120° 40.682' W Elev. 950 ft. Dry ground everywhere. Sandy soil. East-facing 30 degree slope. T30S R6W S31 NW1/4; NAD 27, uncertainty: 805 m., Source: Douglas fir, Ponderosa pine forest. Associated plants; Ceanothus TRS2LL, Georef'd by Ben Legler velutinus, Fragaria virginiata, Abies grandis, Penstemon fruticosa. W aspect, under mixed conifers. Shrub 2 m tall, white flowers. White. Locally common. Roadside. Phenology: Flowers. Origin: Phenology: Flowers. Origin: Native. Native. P. F. Zika 10329 19 May 1987 Robert Goff 06-69 8 Jul 2006 WTU-372378 WTU-378025 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., OREGON, DOUGLAS COUNTY: U.S.A., WASHINGTON, CHELAN COUNTY: Beatty Creek RNA, Roseburg BLM, 10 air miles SW of town of 1 mile from from 97A on Swakane Canyon Myrtle Creek. Road. Elev. 950 ft. T24N R20E S27; WGS84, uncertainty: 1000 T30S R6W S31 NW1/4; NAD 27, uncertainty: 805 m., Source: m., Source: Georeferenced, Georef'd by WTU TRS2LL, Georef'd by Ben Legler Staff W aspect under mixed conifers. Shrub 2m tall, white flowers. Along gully. With Amelanchier, Sisymbrium Phenology: Flowers & Fruits. Origin: Native. altissiumum, Clematis hirsutissima and Melilotus officinalis. Dense shrubs to 2 meters tall. P. F. Zika 10329 19 May 1987 [Located in teaching collection]. Phenology: Flowers. Origin: Native. WTU-372278 M. Arnot 206 11 Jun 1990 WTU-317063, WTU-V-006480 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, SAN JUAN COUNTY: U.S.A., WASHINGTON, KLICKITAT COUNTY: San Juan Islands National Wildlife Refuge and Wilderness Area. About 1/2 mile above Old Highway 8, on Rock Creek Road. Willow Island. A large, 100' high rocky island 1/3 mile west of Blakely 45.71011°, -120.464394°; uncertainty: 500 m., Georef'd by Joseph Island. Stormer Elev. 100 ft. Creekside with grass, forbs, and shrubs. Mockorange. Phenology: 48.5402°, -122.82242°; WGS 84, Source: Georeferenced, Flowers. Origin: Native. Georef'd by WTU Staff Partially treed with Pseudotsuga and Arbutus. Open understory David Gross 594 13 Jun 2010 dominated by Elymus glaucus and Symphoricarpos albus. East side has extensive cliffs and ledges and is particularly rich with ferns. WTU-385550 Considerable deer browse. Rock appears to be serpentine. Three large shrubs at top of island under Pseudotsuga. Phenology: Fruits. Origin: Native. Hydrangeaceae Steve Hahn 08-82 25 Sep 2008 Philadelphus lewisii Pursh WTU-394756 U.S.A., WASHINGTON, STEVENS COUNTY: Western Colville National Forest and vicinity: Columbia River: China Bend: along north shore of river, circa 9 air miles southwest of Hydrangeaceae Northport. Elev. 1300-1800 ft. Philadelphus lewisii Pursh T38N R39E S3 SE; NAD 27, uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler U.S.A., WASHINGTON, LINCOLN COUNTY: Riverside and cliffs. Phenology: Flowers. Origin: Native. U.S. Bureau of Land Management. Coffeepot Lake. Meandering transect 1.5 kilometers to the northwest from campground. Jean Wood 1014 7 Jun 1995 Elev. 1826 ft. 47.5004° N, 118.55721° W; WGS 84, uncertainty: 5 m. WTU-386888 Shrub-steppe, scabland community with mixture of lithosol, basalt outcroppings and deep-soil mesic areas; considerably degraded in places. Common and abundant on basalt outcroppings. Phenology: Hydrangeaceae Flowers & Fruits. Origin: Native. Philadelphus lewisii Pursh David Giblin 1779 25 Jun 2008 U.S.A., WASHINGTON, KLICKITAT COUNTY: WTU-381601 [No locality given on label] T4N R19E S30 SW of NW; NAD 27, uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler Hydrangeaceae Ephemeral drainage-riparian. Phenology: Flowers & Fruits. Origin: Native. Philadelphus lewisii Pursh Lisa Healy s.n. May 1994 U.S.A., WASHINGTON, KITTITAS COUNTY: Near well of Taneum Forest Service guard station. WTU-386889 Elev. 2607 ft. 47° 6.62' N, 120° 51.164' W; T19N R16E S28; WGS 84 Dry, fine soil; gentle slope. Other plants: Prunus emarginata, Hydrangeaceae Ceanothus velutinus, Pseudotsuga menziesii, Apocynum androsaemifolium. Flowers white; common. Phenology: Flowers. Philadelphus lewisii Pursh Origin: Native. U.S.A., IDAHO, ADAMS COUNTY: Don Knoke 1871 30 Jun 2009 Payette National Forest. Wildhorse Canyon at 4th Bridge just above lowest point on road. WTU-381009 Circa 14.1 miles from Council Cuprum Road. Elev. 2440 ft. 44.85375° N, 116.81964° W Hydrangeaceae Steep rocky slopes and riparian habitats. Flowers white; shrub to 3 meters. Phenology: Philadelphus tenuifolius Rupr. & Maxim. Flowers. Origin: Native. RUSSIAN FEDERATION, SAKHALIN REGION: Richard G. Olmstead 2011-9 24 Jun 2011 Southern Sakhalin Island. Approximately 25 kilometers east of Korsakov. Southwest side of Malyo Chibisanskoye Lake. WTU-404633, WTU-V-012674 Elev. 0 ft. 46° 36.881' N, 143° 7.033' E Slightly boggish area with Picea and Larix forest, and open areas of Ledum and puddles of water. In bud. Shrub, approximately 1.5 meters tall. Phenology: Flowers. Origin: Native. Suzanne Joneson 2968 28 Jul 2001 WTU-390843 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, ADAMS COUNTY: U.S.A., WASHINGTON, PEND OREILLE Payette National Forest. Hells Canyon Road COUNTY: along east side of the Snake River, Colville National Forest. Dry Canyon Road. approximately 1 kilometer north of junction with Approximately 3 kilometers from intersection Kleinschmidt Grade Road. with Sullivan Lake Road. 45° 3.273' N, 116° 48.016' W; WGS 84, Elev. 850 m. uncertainty: 50 m., Source: GPS 48.74242° N, 117.337° W; WGS 84, East-west running side canyon with uncertainty: 100 m., Source: Digital map, Pseudoroegneria spicata on north-facing slopes Georef'd by Maria Yousoufian and Lomatium grayi and Bromus tectorum on Small pond surrounded by Pseudotsuga south-facing slopes. Common on north-facing menziesii and Thuja plicata overstory. slope; shrubs to 2 meters tall. Phenology: Phenology: Flowers. Origin: Native. Flowers & Fruits. Origin: Native. John Bassett 20 Doug Williams 2011-10 20 Jul 2012 26 Jun 2011 WTU-406899, WTU-V-019517 WTU-405326, WTU-V-015680 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, LINCOLN COUNTY: Twin Lakes Trail from an informal picnic area, along the north end of U.S.A., WASHINGTON, CHELAN COUNTY: the South lake. Okanogan-Wenatchee National Forest. Mad Elev. 1900 ft. River Valley. Pine Flats Campground area. 47° 31.764' N, 118° 30.394' W; T24N R34E sec. 35 Elev. 1590 ft. Phalaris, Great Basin wildrye, teasle, bullrush, golden currant. 47.7567° N, 120.4222° W; WGS 84, Sagebrush grasslands adjacent. Phenology: Flowers. Origin: Native. uncertainty: 100 m., Source: Digital map Pinus ponderosa and Pseudotsuga menziesii P. Camp 3304 21 Jun 2013 overstory with Mad River running along area. Locally common on forest edge and in WTU-394247 understory. Phenology: Flowers. Origin: Native. Don Knoke 2273 Hydrangeaceae with Alex D. Harkness, Ben Legler, David Giblin Philadelphus lewisii Pursh 26 Jun 2012 U.S.A., WASHINGTON, PEND OREILLE WTU-406469, WTU-V-17471 COUNTY: Colville National Forest. Slate Creek; on Forest Road 3155 at junction with 100. In streambanks and roadsides. Hydrangeaceae Elev. 2836 ft. 48.94306° N, 117.28383° W Philadelphus lewisii Pursh Gravel road, moist streambank, mixed coniferous forest. Flowers white; occasional. U.S.A., MONTANA, GRANITE COUNTY: Phenology: Flowers. Origin: Native. Lolo National Forest, Harry's Flat campground. Elev. 4153 ft. Drew Parker 26 46.53459° N, 113.75323° W; WGS 84 Mixed conifer forest (Pseudotsuga, Pinus, Picea) with opening, wet 20 Jul 2012 meadow, and riparian habitats. White flowers. Phenology: Flowers. Origin: Native. WTU-408296, WTU-V-021503 Richard G. Olmstead 2008-21 11 Jul 2008 Hydrangeaceae WTU-397166 Philadelphus lewisii Pursh Hydrangeaceae U.S.A., WASHINGTON, SNOHOMISH COUNTY: Philadelphus lewisii Pursh North end Tulare Beach, east shore Port Susan. 48.105718°, -122.34509°; WGS 84, U.S.A., MONTANA COUNTY: uncertainty: 367 m., Source: Digital map, Between Pony and Potosi Hot Springs. Georef'd by Maria Yousoufian Elev. 5500 ft. Base of sandy-clay bluff. Phenology: Fruits. By road, in rock crevices. Phenology: Flowers. Origin: Native. Origin: Native. B. O. Mulligan s.n. 14 Jul 1961 Clayton Haberman s.n. WTU-203059 11 Jan 2007 WTU-399398, WTU-V-005145 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, SNOHOMISH U.S.A., IDAHO, VALLEY COUNTY: COUNTY: Shore of South Fork Salmon River circa 0.5 mile South Tulare Beach, east side Port Susan. downstream from mouth of Secesh River; west 48.098324°, -122.343288°; WGS 84, of Yellow Pine. uncertainty: 200 m., Source: Digital Map, Elev. 1080 m. Georef'd by Maria Yousoufian 45.02884° N, 115.70007° W; WGS 84, Phenology: Flowers. Origin: Native. uncertainty: 4 m., Source: GPS Vegetated, cobbly and sandy river bank backed Clayton Haberman s.n. by small flat with scattered shrubs and burned conifers. Shrubs to 2 meters tall; flowers white, 15 Jul 1999 mostly past. Phenology: Flowers and Fruits. Origin: Native. WTU-399399, WTU-V-005146 John Bassett 2015-07 with Veanna Willard, Mike Carlson, Ben Legler, Hydrangeaceae Sara Legler Philadelphus lewisii Pursh 11 Jul 2015 U.S.A., WASHINGTON, SNOHOMISH WTU-415579, WTU-V-033441 COUNTY: Tulare Beach. 48.101763°, -122.343202°; WGS 84, uncertainty: 650 m., Source: GeoLocate, Hydrangeaceae Georef'd by Maria Yousoufian Base of clay bank. Phenology: Vegetative. Philadelphus lewisii Pursh Origin: Native. U.S.A., WASHINGTON, KLICKITAT COUNTY: Clayton Haberman s.n. Between Klickitat River and Klickitat Rail Trail near Pitt. Feb 2010 45.79469° N, 121.19924° W; Source: GPS Riparian bench. Populus balsamifera is WTU-399401, WTU-V-005148 dominant in overstory, with Crataegus douglasii, Equisetum hyemale, and Phalaris arundinacea. Abundance: Common. Growth Habit: Fruiting Hydrangeaceae deciduous shrub. Site ID: NWCA16-4890. Visit #1. Collection #Q4 (QA Voucher). Phenology: Philadelphus lewisii Pursh Fruits. Origin: Native. U.S.A., WASHINGTON, SNOHOMISH Patricia Johnson NWCA16-4890-V1-Q4 COUNTY: Western Snohomish County. 23 Aug 2016 48.032887°, -122.147742°; WGS 84, uncertainty: 35000 m., Source: Digital Map, WTU-411384, WTU-V-025745 Georef'd by Ibro Polovina Low lands. Phenology: Vegetative. Origin: Native. Hydrangeaceae Clayton Haberman s.n. Philadelphus microphyllus A. Gray var. palmeri (Rydb.) Jan 2008 Henrickson ined. WTU-399402, WTU-V-005149 MEXICO, TAMAULIPAS: On mountain top 7 kilometers southwest of Miquihauana. Hydrangeaceae Elev. 3430 m. 23° 42' N, 99° 45' W; Source: Specimen label, Per Rand-McNally Philadelphus lewisii Pursh Com. Al. 1935 On mountain top in forest of large pines; forest floor of low U.S.A., WASHINGTON, SNOHOMISH vegetation. Flowers white with purple in the center. Phenology: COUNTY: Flowers and Fruits. Origin: Native. Type Specimen: Holotype. Warm Beach Senior Community, Stanwood. 48.181878°, -122.35046°; WGS 84, L. R. Stanford 690 5 Aug 1941 uncertainty: 360 m., Source: Digital Map, with K. L. Retherford, R. D. Northcraft Georef'd by Maria Yousoufian Roadside, ? landscape shrub. Phenology: WTU-67552, WTU-V-001333 Flowers. Origin: Native. Clayton Haberman s.n. 3 Aug 2008 WTU-399403, WTU-V-005150 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., IDAHO, SHOSHONE COUNTY: U.S.A., WASHINGTON, MASON COUNTY: Character Peak Area #3. [Elevation Kamilche, along Highway 101. approximate, from digital map.] Elev. 100 ft. Elev. 4400 ft. 47.13101° N, 123.0974° W; Source: 47.63349° N, 116.04842° W; WGS 84, Specimen Label Source: GPS, Digital map Rocky silt loam. With Rubus armeniacus, Rosa Rocky east-northeast slope. Boulder field. With rugosa, Acer macrophyllum, Pseudotsuga Pteridium aquilinum, Acer glabrum var. menziesii, Mahonia nervosa. Highway douglasii, Rubus leucodermis, Lycopodium, embankment on edge of coniferous forest. Calamagrostis. Phenology: Flowers. Origin: Uncommon. Phenology: Flowers. Origin: Native. Native. Regina Johnson 2016-040 Terri Knoke 2016-61 with Richard Robohm 11 Jun 2016 10 Jul 2016 WTU-414347, WTU-V-031453 WTU-419301, WTU-V-042145 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON COUNTY: U.S.A., IDAHO, SHOSHONE COUNTY: Colville National Forest, Six-mile. Coeur d'Alene National Forest. Coeur d'Alene Dry sites, ponderosa pine or Douglas fir forests. River Road approximately 1 kilometer east of Phenology: Flowers. Origin: Native. Independence Creek. Elev. 900 m. Ellman s.n. 47.88597° N, 116.16918° W; WGS 84, uncertainty: 100 m., Source: Digital map Jun 1979 South-facing slope dominated by Holodiscus discolor and Hypericum perforatum; rocky faces WTU-411648, WTU-V-026008 throughout. Uncommon in forest edge; shrub to 2 meters. Phenology: Fruits. Origin: Native. John Bassett 2016-22 9 Jul 2016 Hydrangeaceae WTU-419242, WTU-V-042037 Philadelphus lewisii Pursh U.S.A., WASHINGTON, STEVENS COUNTY: Western Colville National Forest and Vicinity: Hydrangeaceae Meadow Creek Drainage: Ione Hill, circa 5 air miles south of Spirit along Forest road 1728. Philadelphus lewisii Pursh Elev. 3300 ft. T38N R41E S33 NW1/4 of NW1/4; WGS 84, U.S.A., WASHINGTON, THURSTON COUNTY: uncertainty: 300 m., Source: Digital Map, Olympia, Ken Lake Ridge, between Ken Lake Georef'd by Joseph Stormer and Black Lake. Rock and open hill tops and south slopes; Elev. 500 ft. ponderosa pine/pinegrass and Douglas fir. 47.03512° N, 122.97314° W; Source: Phenology: Flowers. Origin: Native. Specimen Label Silt loam. With Pseudotsuga menziesii, Arbutus Jean Wood 1547 menziesii, Acer macrophyllum, Gaultheria shallon, Holodiscus discolor, Cytisus scoparius. 27 Jun 1995 Commercial timber. Uncommon. Phenology: Flowers. Origin: Native. WTU-411649, WTU-V-026009 Regina Johnson 2016-053 18 Jun 2016 WTU-414572, WTU-V-031791 Hydrangeaceae Hydrangeaceae Philadelphus lewisii Pursh Philadelphus lewisii Pursh U.S.A., WASHINGTON, STEVENS COUNTY: U.S.A., WASHINGTON, JEFFERSON COUNTY: 5 miles south of Chewelah on Cottonwood Big Hump on Duckabush River Trail, Olympic National Forest. Road. Elev. 1200 ft. Elev. 1700 ft. 47.6855° N, 123.08873° W; WGS 84, Source: Digital map T31N R41E S6; WGS 84, uncertainty: 500 m., Mid elevation mixed coniferous forest. Rocky sandy loam. Source: Digital Map, Georef'd by Crystal Shin Uncommon. With Pseudotsuga menziesii, Tsuga heterophylla, Moist roadbank, west exposure. Phenology: Arbutus menziesii, Acer macrophyllum, Acer circinatum, Rubus Flowers and Fruits. Origin: Native. ursinus, Gaultheria shallon. Phenology: Flowers. Origin: Native. C. J. Talbott 173 Regina Johnson 2020-069 10 Jul 2020 12 Jun 1977 Herbarium: WTU WTU-411652, WTU-V-026010

Hydrangeaceae Philadelphus coronarius L. U.S.A., WASHINGTON, KING COUNTY: Arboretum, University of Washington. 47.636293°, -122.294609°; WGS 84, uncertainty: 1250 m., Source: Digital Map, Georef'd by Ibro Polovina Phenology: Flowers. Origin: Introduced. Cultivated. Bengt Oxelman 2326 1998 WTU-410611, WTU-V-024630

Hydrangeaceae Philadelphus lewisii Pursh U.S.A., WASHINGTON, PIERCE COUNTY: JBLM, Artillery Impact Area, Range 87, 346FA Road. Elev. 100 m. 47.00162° N, 122.56914° W; WGS 84, Source: GPS One 3-m tall shrub at road edge, with Corylus cornuta and Cytisus scoparius. Origin: Native. Peter W. Dunwiddie PWD 16-134 2 Jun 2016 with Sarah Krock, Rod Gilbert Herbarium: WTU

Hydrangeaceae Philadelphus lewisii Pursh U.S.A., WASHINGTON, CHELAN COUNTY: Okanogan-Wenatchee National Forest. White River Road approximately 2 km west of Grasshopper Meadows campground. Elev. 660 m. 47.94716° N, 120.93069° W; WGS 84, uncertainty: 200 m., Source: GPS South-facing rock face covered with moss; Montia parvifolia and Achillea millefolium common. Locally common at base of rock face; corollas white; fragrant. Phenology: Flowers. Origin: Native. David Giblin 6974 18 Jul 2019 WTU-425215, WTU-V-068738