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WTU Herbarium Specimen Label Data Generated from the WTU Herbarium Database September 30, 2021 at 8:01 pm http://biology.burke.washington.edu/herbarium/collections/search.php

Specimen records: 284 Images: 271

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Label Query: Genus = "" Isoetaceae Isoetes asiatica (Makino) Makino Isoetes bolanderi Engelm. RUSSIAN FEDERATION, SAKHALIN REGION: U.S.A., WASHINGTON, YAKIMA COUNTY: Sakhalin Island, northern part; 56 km SSE of Okha and 13 km SE of Mt. Adams, Bird Lake. Sabo, among lakes just inland from Matny Point. Elev. 4000 ft. Elev. 66 ft. 46.14139°, -121.43917°; WGS 84, 53° 4' 33.36" N, 143° 5' 37.32" E uncertainty: 10000 m., Source: GeoLocate, Open Pinus pumila dominated flats surrounding dry heath bog area Georef'd by WTU Staff dotted with small shallow lakes; soil sandy and dry. Aquatic on Submerged in lake. Origin: Native. sandy bottom of lake. Phenology: Fertile. Origin: Native. J. William Thompson 11131 Ben Legler 1251 14 Aug 2003 30 Jul 1934 Herbarium: WTU WTU-4182JWT, WTU-V-004075 Isoetaceae Isoetes tenella Léman Isoetaceae U.S.A., WASHINGTON, CHELAN COUNTY: Isoetes bolanderi Engelm. North Cascades National Park Complex, Lake Chelan National Recreation Area, McAlester Lake, southeastern shore. U.S.A., WASHINGTON, KLICKITAT COUNTY: Elev. 5606 ft. Conboy Lake, Falcon Valley. 48° 25' 47.03853" N, 120° 40' 27.52623" W; UTM Zone 10, 45.97139°, -121.28083°; WGS 84, 672040E, 5366459N; NAD 27, uncertainty: 11 m., Source: GPS uncertainty: 10000 m., Source: GeoLocate, Locally common. Growing in 1.5-2 feet of water. Phenology: Fertile. Georef'd by WTU Staff Origin: Native. Shallow places near shore of lake. Origin: Native. Sarah Gage 7559 7 Aug 2004 with Steve Walker, Leslie Batten, Steve Karafit Wilhelm N. Suksdorf 6314 Herbarium: NOCA, NPS accession 656, catalog 12320 23 Aug 1909 WTU-270490, WTU-V-004074 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., WASHINGTON, PIERCE COUNTY: Isoetes tenella Léman Spanaway Lake. 47.10417°, -122.43333°; WGS 84, U.S.A., WASHINGTON, KING COUNTY: uncertainty: 10000 m., Source: GeoLocate, Butler (?) Lake, near Seattle. Georef'd by WTU Staff 47.60639°, -122.33083°; WGS 84, Phenology: Spores. Origin: Native. uncertainty: 5000 m., Source: GeoLocate, Georef'd by WTU Staff M. Turry s.n. Phenology: Spores. Origin: Native. May 1911 C. V. Piper 1117 WTU-2248, WTU-V-004098 Jul 1891 WTU-2270, WTU-V-004125 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., WASHINGTON, STEVENS COUNTY: Isoetes tenella Léman Lake Thomas. 48.62774°, -117.53941°; WGS 84, U.S.A., WASHINGTON, KITSAP COUNTY: uncertainty: 1500 m., Source: GeoLocate, Wildcat Lake. Georef'd by WTU Staff 47.59889°, -122.76528°; WGS 84, Submerged in 1-2 ft. of water. Sandy lake uncertainty: 10000 m., Source: GeoLocate, bottom. Origin: Native. Georef'd by WTU Staff In about 18" of water. Origin: Native. Earle F. Layser 1753 I. C. Otis 1787 Aug 1971 26 Aug 1933 WTU-266090, WTU-V-004096 WTU-27614, WTU-V-004126 Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes tenella Léman U.S.A., WASHINGTON, FERRY COUNTY: U.S.A., WASHINGTON, SKAMANIA COUNTY: North Twin Lake. In a shallow pond, Chiquash Mts. 48.28728°, -118.38008°; WGS 84, 46.02331°, -121.84207°; WGS 84, uncertainty: 2000 m., Source: GeoLocate, uncertainty: 50000 m., Source: GeoLocate, Georef'd by WTU Staff Georef'd by WTU Staff Lake bottom, sandy soil. Origin: Native. Phenology: Fertile. Origin: Native. Mae E. Dennis s.n. Wilhelm N. Suksdorf 2210 19 Aug 1946 16 Aug 1900 WTU-111869, WTU-V-004132 WTU-273862, WTU-V-004129

Isoetaceae Isoetaceae Isoetes tenella Léman ? Isoetes tenella Léman U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., WASHINGTON, WHATCOM COUNTY: Tacoma. Lake Whatcom. 47.25306°, -122.44306°; WGS 84, 48.75833°, -122.42167°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff Georef'd by WTU Staff Origin: Native. Sandy shore of lake. This is a voucher specimen for pollen reference collection 376, L. M. Bolger 263 B. Brubaker, U. of W. Taken October 1990. Origin: Native. 20 May 1911 W. C. Muenscher 7543 WTU-2319, WTU-V-004127 23 Jul 1937 WTU-55864, WTU-V-004133 Isoetaceae Isoetes tenella Léman Isoetaceae U.S.A., WASHINGTON, MASON COUNTY: Small lake, 1.5 miles on road to Allyn, from Isoetes tenella Léman junction with Belfair-Union road. 47.38583°, -122.82639°; WGS 84, U.S.A., WASHINGTON, YAKIMA COUNTY: uncertainty: 10000 m., Source: GeoLocate, Dewey Lake, Chinook Pass region. Georef'd by WTU Staff Elev. 5000 ft. Phenology: Spores. Origin: Native. 46.87222°, -121.51444°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, I. C. Otis 2183 Georef'd by WTU Staff Submerged in lake. Origin: Native. 17 Sep 1936 J. William Thompson 15161 WTU-9492JWT, WTU-V-004134 4 Aug 1940 WTU-23226JWT, WTU-V-004130 Isoetaceae Isoetes tenella Léman Isoetaceae U.S.A., WASHINGTON, THURSTON COUNTY: Hicks Lake. Isoetes tenella Léman 47.02167°, -122.79667°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, U.S.A., WASHINGTON, CLALLAM COUNTY: Georef'd by WTU Staff North end of Lake Ozette. In 18" of water. Phenology: Spores. Origin: Elev. 36 ft. Native. T31N R15W S32 SE 1/4; NAD 27, uncertainty: 805 m., Source: TRS2LL, I. C. Otis 1733 Georef'd by Ben Legler In two feet of water, with Potamogeton 21 Jul 1933 epihydrus, Najas flexilis, and Equisetum fluviatile. National Park Service Olympic WTU-27610, WTU-V-004128 National Park Accession No.: OLYM-463 Catalog No.: OLYM18470. Phenology: Spores. Origin: Native. P. F. Zika 14235 5 Sep 1999 WTU-339425, WTU-V-004246 Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes tenella Léman U.S.A., WASHINGTON, KLICKITAT COUNTY: U.S.A., ALASKA, KODIAK COUNTY: Rockland [Dallesport]. Kodiak. 45.61715°, -121.18372°; WGS 84, 57.795181°, -152.394653°; uncertainty: 8000 uncertainty: 1000 m., Source: GeoLocate, m., Georef'd by Sara Legler Georef'd by WTU Staff (Harriman Alaska Expedition). Phenology: Origin: Native. Fertile. Origin: Native. Type Specimen: Syntype. Wilhelm N. Suksdorf 2618 F. V. Coville 2336 with T. H. Kearney 10 May 1899 20 Jul 1899 WTU-267114, WTU-V-004250 WTU-142398, WTU-V-000003

Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes nuttallii A. Br. U.S.A., WASHINGTON, SPOKANE COUNTY: [No locality given on label]. U.S.A., WASHINGTON, LEWIS COUNTY: 47.66098°, -117.42072°; WGS 84, [locality and coordinates withheld; status in uncertainty: 45000 m., Source: GeoLocate, Washington: G4?/S2 (Sensitive; WANHP)] Georef'd by WTU Staff Elev. 105 m. In shallow water, dry in summer. Additional Wet prairie remnant with shrubs invading. collection date of 10 Jun 1889 on label. Origin: Velum covers 100% of sporangia, light green Native. limp leaves; occasional in exposed mud in pools, marsh, and muddy spots, full sun with Wilhelm N. Suksdorf 950 Phalaris arundinacea, Malus fusca, Spiraea douglasii, Rosa nutkana, Hypericum 11 Jul 1889 anagalloides. Phenology: Fruits. Origin: Native. WTU-272752, WTU-V-004252 P. F. Zika 16947 29 May 2002 Isoetaceae WTU-350300, WTU-V-004234 Isoetes nuttallii A. Br. U.S.A., WASHINGTON, KLICKITAT COUNTY: Isoetaceae [locality and coordinates withheld; status in Washington: G4?/S2 (Sensitive; WANHP)] Isoetes nuttallii A. Br. On meadows that become dry in summer. Phenology: Spores. Origin: Native. U.S.A., WASHINGTON, CLARK COUNTY: [locality and coordinates withheld; status in Wilhelm N. Suksdorf 5718 Washington: G4?/S2 (Sensitive; WANHP)] Elev. 197 ft. 19 Jul 1906 Muddy ditch in wet prairie remnant, full sun with Juncus bufonius. Velum covers 100% of WTU-270522, WTU-V-004227 sporangia; light limp green leaves, rare in ditch. Phenology: Fruits. Origin: Native. P. F. Zika 16953 Isoetaceae 29 May 2002 Isoetes howellii Engelm. WTU-350303, WTU-V-004232 U.S.A., WASHINGTON, LINCOLN COUNTY: Near Creston. 47.759167°, -118.525278°; NAD 27, uncertainty: 10000 m., Source: Georeferenced, Georef'd by WTU Staff Sagebrush plains and moist sagebrush slopes. On wet ground among sagebrush. Phenology: Spores. Origin: Native. J. William Thompson 9165 23 Jun 1933 WTU-5402JWT, WTU-V-004231 Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, KING COUNTY: U.S.A., WASHINGTON, GRAYS HARBOR Cascade Mountains of Western Washington: COUNTY: Walsh Lake. SE shore of Quinault Lake, below Lake Quinault Elev. 700 ft. Lodge and South Shore Road. T22N R7E S9 SW 1/4; NAD 27, uncertainty: Elev. 170 ft. 200 m., Source: Georeferenced, Georef'd by 47° 28' N, 123° 51' W; T23N R9W S20 WTU Staff Full sun, with Callitriche, Ranunculus. Locally Floating bog mat on east edge of wall found common in shallow water or stranded by adjacent to Walsh Lake. Other in vicinity: dropping water levels on gravel. Origin: Native. Drosera rotundifolia, Agrostis sp., Typha latifolia, Carex canescens, Potentilla palustris, P. F. Zika 18139 Viola palustris. Growing in 30 cm of water at north end of lake. Phenology: Fertile. Origin: 25 Oct 2002 Native. WTU-353264, WTU-V-004215 F. Weinmann 01-28 11 Aug 2001 Isoetaceae WTU-351657, WTU-V-004112 Isoetes bolanderi Engelm. U.S.A., WASHINGTON, YAKIMA COUNTY: Isoetaceae Mount Adams. Wodan's Vale. Bench Lake. 46.15944°, -121.39778°; WGS 84, Isoetes tenella Léman uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff U.S.A., WASHINGTON, KING COUNTY: In a lake. Herbarium of Wilhelm N. Suksdorf Cascade Mountains of Western Washington: (1850-1932) A gift to the State College of Findley Lake. Washington. Origin: Native. Elev. 3400-3800 ft. T21N R10E S7; NAD 27, uncertainty: 300 m., Wilhelm N. Suksdorf 5761 Source: Georeferenced, Georef'd by WTU Staff 28 Jul 1906 Small tarn near Findley Lake. Phenology: Fertile. Origin: Native. WTU-274324, WTU-V-004099 Nancy Job 01-36 with Bill Belknap, Julie Belknap, Susan Rafanelli, Kathryn Sobocinski Isoetaceae 11 Aug 2001 Isoetes bolanderi Engelm. WTU-351726, WTU-V-004135 U.S.A., WASHINGTON COUNTY: Mount Paddo. Elev. 6000-7000 ft. Isoetaceae 46.2143°, -121.4978°; Source: Inferred from duplicate specimen, Georef'd by Ed Alverson Isoetes asiatica (Makino) Makino Shallow ponds. Addtional date of collection- Oct. 1881. Phenology: Fertile. Origin: Native. RUSSIAN FEDERATION, SAKHALIN REGION: Sakhalin Island, northern part; circa 60 kilometers north of Nogliki W. N. Suksdorf s.n. and 4 kilometers west of Val, on shore of Lake Rybnoye. Elev. 49 ft. Aug 1881 52° 21' 16.98" N, 143° 29.52" E Mix of open boreal Larix forest and extensive sphagnum bogs, with WTU-160539, WTU-V-004100 old non-forested burns on drier sandy uplands. Submerged in shallow water of lake. Phenology: Fertile. Origin: Native. Ben Legler 1106 4 Aug 2003 Isoetaceae WTU-353612 Isoetes bolanderi Engelm. U.S.A., WASHINGTON, YAKIMA COUNTY: Mt. Adams, Bird Lake. Elev. 4000 ft. 46.14139°, -121.43917°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff Submerged in lake. Phenology: Fertile. Origin: Native. J. William Thompson 11131 30 Jul 1934 WTU-24555, WTU-V-004101 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., WASHINGTON, YAKIMA COUNTY: U.S.A., OREGON, HARNEY COUNTY: Mount Adams. Steens Mountains. Lily Lake. 46.2143°, -121.4978°; Source: Inferred from Shallow water of lake. Basalt derived soils. duplicate specimen, Georef'd by Ed Alverson Common. Phenology: Fertile. Origin: Native. Not in water. Herbarium of Wilhelm N. Suksdorf (1850-1932) A gift to the State College of Bassett Maguire 26755 Washington. Phenology: Fertile. Origin: Native. with Arthur H. Holmgren Wilhelm N. Suksdorf 2375 31 Jul 1946 31 Aug 1886 WTU-111412, WTU-V-004094 WTU-270507, WTU-V-004102

Isoetaceae Isoetaceae Isoetes bolanderi Engelm. ? Isoetes bolanderi Engelm. U.S.A., MONTANA, MISSOULA COUNTY: U.S.A., WASHINGTON, YAKIMA COUNTY: Mission Range. Lindberg or Elbow Lake. Mount Adams. Muddy sand, 1-5 feet of water. Phenology: 46.2143°, -121.4978°; Source: Inferred from Fertile. Origin: Native. duplicate specimen, Georef'd by Ed Alverson Herbarium of Wilhelm N. Suksdorf (1850-1932) G. B. Rossbach 769 A gift to the State College of Washington. with R. P. Rossbach Phenology: Fertile. Origin: Native. 5 Aug 1936 Wilhelm N. Suksdorf 299 WTU-94866, WTU-V-004093 28 Sep 1896 WTU-270511, WTU-V-004103 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., OREGON, LAKE COUNTY: Small pond ca. 14 miles southwest of Plush. U.S.A., WASHINGTON, KLICKITAT COUNTY: Muddy shore of small pond. Phenology: Falcon Valley. Vegetative. Origin: Native. 45.977122°, -121.306515°; WGS 84, uncertainty: 8021 m., Source: Digital Map, C. L. Hitchcock 24424 Georef'd by Sara Legler Phenology: Fertile. Origin: Native. 24 May 1966 Wilhelm N. Suksdorf 6314 WTU-230187, WTU-V-004092 6 Aug 1908 WTU-273864, WTU-V-004104 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., MONTANA, MISSOULA COUNTY: One mile east of Lindberg Lake. U.S.A., OREGON, MARION COUNTY: 47.376827°, -113.720564°; WGS 84, Cascade Mountains. Breitenbush Lake. uncertainty: 4031 m., Source: Digital Map, In shallow water and on muddy shore. Georef'd by Joseph Stormer Abundant. Phenology: Fertile. Origin: Native. In small pot hole. Mostly out of water. Phenology: Fertile. Origin: Native. Marion Ownbey 2353 with Ruth P. Ownbey C. L. Hitchcock 13705 with C. V. Muhlick 30 Aug 1940 22 Aug 1945 WTU-26983JWT, WTU-V-004095 WTU-101019, WTU-V-004091 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., WASHINGTON, KLICKITAT COUNTY: U.S.A., MONTANA, RAVALLI COUNTY: Falcon Valley. Canyon Lakes Basin. Small pond below outlet of 45.977122°, -121.306515°; WGS 84, Wyant Lake. uncertainty: 8021 m., Source: Digital Map, Elev. 7640 ft. Georef'd by Sara Legler In small pond below outlet. Phenology: Fertile. Herbarium of Wilhelm N. Suksdorf (1850-1932) Origin: Native. A Gift to the State College of Washington. Phenology: Fertile. Origin: Native. Klaus H. Lackschewitz 3363 Wilhelm N. Suksdorf 6314 [No date given on label.] 7 Oct 1908 WTU-257664, WTU-V-004086 WTU-276518, WTU-V-004090 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., OREGON, BAKER COUNTY: Blue Mountains. Black Lake near Anthony U.S.A., WASHINGTON, KLICKITAT COUNTY: Lakes. Falcon Valley. Conboy Lake. Elev. 7500 ft. 45.97682°, -121.30818°; WGS 84, Submerged in mountain lake. Phenology: uncertainty: 9000 m., Source: GeoLocate, Spores. Origin: Native. Georef'd by WTU Staff Shallow places near shore of lake. Additional J. William Thompson 13436 collection date of 23 Aug 1909 on label. Phenology: Fertile. Origin: Native. 23 Jul 1936 Wilhelm N. Suksdorf 6314 WTU-3046JWT, WTU-V-004085 6 Aug 1908 WTU-274322, WTU-V-004089 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., IDAHO, BOUNDARY COUNTY: Southeast of Mount Roothaan. Isoetes bolanderi Engelm. Elev. 5900 ft. 48.61326°, -116.707987°; WGS 84, U.S.A., IDAHO, SHOSHONE COUNTY: uncertainty: 10000 m., Source: GeoLocate, Four miles east of Burke, along east shore of Georef'd by WTU Staff Lower Glidden Lake. Shallow pond in seral spruce-fir vegetation Elev. 5650 ft. zone. Dominent species: Isoetes. Open, T20N R6E S8; WGS 84, uncertainty: 10000 herbaceous, submerged. Phenology: Spores. m., Source: GeoLocate, Georef'd by WTU Origin: Native. Staff In muc (sp?) and gravel in shallow water. R. F. Daubenmire 44364 Phenology: Fertile. Origin: Native. 22 Jul 1944 Arthur Cronquist 6079 WTU-263147, WTU-V-004084 13 Aug 1949 WTU-180810, WTU-V-004088 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., OREGON, JEFFERSON COUNTY: Isoetes bolanderi Engelm. Metolius River. In two feet of water, in river. Submerged. U.S.A., OREGON, DESCHUTES COUNTY: Phenology: Spores. Origin: Native. Cascade Mountains. Edge of Elk Lake. In water at edge of lake. Phenology: Spores. Mrs. Nettie P. Gale s.n. Origin: Native. Jul 1923 Marion Ownbey 2357 with Ruth P. Ownbey WTU-5404JWT, WTU-V-004083 1 Sep 1940 WTU-26984JWT, WTU-V-004087 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., OREGON, HARNEY COUNTY: U.S.A., IDAHO, KOOTENAI COUNTY: Steens Mountains. Southeast of Burns. A small Lower Twin Lake. pond overlooking Big Indian Creek, near the 47.87816°, -116.86503°; WGS 84, pass to Little Wildhorse Creek, about 2 miles uncertainty: 2200 m., Source: Nat. Geog. west of the highest point of the mountain. TOPO!, Georef'd by John Bassett Elev. 9000 ft. Shallow water. Phenology: Spores. Origin: T33S R33E; WGS 84, uncertainty: 1526 m., Native. Source: GeoLocate, Georef'd by Isaac Afolayan Sister Mary Milburge 1411 In shallow water and along muddy border of a small pond. Submerged in water and emersed 9 Aug 1937 along muddy border. Phenology: Spores. Origin: Native. WTU-10888JWT, WTU-V-004079 Arthur Cronquist 8790 28 Jul 1959 Isoetaceae WTU-211884, WTU-V-004082 Isoetes bolanderi Engelm. U.S.A., IDAHO, ELMORE COUNTY: Isoetaceae Upper Trinity Lake. Approximately 10 miles west of Featherville. Isoetes bolanderi Engelm. Elev. 9000 ft. 43.609826°, -115.457272°; WGS 84, U.S.A., MONTANA, PARK COUNTY: uncertainty: 1000 m., Source: GeoLocate, Beartooth Mountains. Near Jeep Trail to Goose Georef'd by WTU Staff Lake. In small lake north of Long Lake. In 2 feet of water in lake. Phenology: Spores. Elev. 9600 ft. Origin: Native. T9S R15E S6 NE; T9S R15E S6 NW; NAD 27, uncertainty: 805 m., Source: TRS2LL, C. L. Hitchcock 10381 Georef'd by Ben Legler with C. V. Muhlick In small lake. Phenology: Fertile. Origin: Native. 25 Jul 1944 Klaus H. Lackschewitz 7913 WTU-92245, WTU-V-004078 18 Aug 1977 WTU-288548, WTU-V-004081 Isoetaceae Isoetes bolanderi Engelm. × Isoetes occidentalis Hend. Isoetaceae U.S.A., OREGON, HOOD RIVER COUNTY: Isoetes bolanderi Engelm. Mount Hood region. Lost Lake. Elev. 3000 ft. U.S.A., MONTANA, SWEET GRASS COUNTY: 45.489391°, -121.831552°; WGS 84, Crazy Mountains. Near head of Big Timber uncertainty: 1777 m., Source: Digital Map, Creek. In small pond just north of Blue Lake. Georef'd by Sara Legler In small pond, in about 6 inches of water. Submerged in 6 feet of water. Abundant. Phenology: Vegetative. Origin: Native. Hybrid? written on sheet, not near any determination. Phenology: Spores. Origin: C. L. Hitchcock 13265 Native. with C. V. Muhlick J. William Thompson 11202 5 Aug 1945 31 Jul 1934 WTU-101027, WTU-V-004080 WTU-1173JWT, WTU-V-004077 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. × Isoetes occidentalis Hend. Isoetes tenella Léman U.S.A., MONTANA, RAVALLI COUNTY: U.S.A., WASHINGTON, CLALLAM COUNTY: Bitterroot Mountains. South Kootenai Lake. Ozette Lake. Elev. 6260 ft. Elev. 25 ft. Bottom of lake. Plentiful on bottom of lake. 48.155°, -124.66583°; WGS 84, uncertainty: Phenology: Fertile. Origin: Native. 10000 m., Source: GeoLocate, Georef'd by WTU Staff Klaus H. Lackschewitz 3306 In 6-12" water at low water stage. Phenology: Spores. Origin: Native. 15 Aug 1971 I. C. Otis 1587 WTU-257666, WTU-V-004076 21 Aug 1927 WTU-5386JWT, WTU-V-004111

Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes tenella Léman U.S.A., WASHINGTON, CLALLAM COUNTY: Lake Ozette. CANADA, BRITISH COLUMBIA: 48.155°, -124.66583°; WGS 84, uncertainty: Moresby Island. East end of Skidegate Lake. 10000 m., Source: GeoLocate, Georef'd by In shallow water on sandy-gravelly bottom at WTU Staff east end of lake. Common in shallow water. Submerged in lake. Phenology: Spores. Origin: Voucher specimen cited in FLORA OF THE Native. QUEEN CHARLOTTE ISLANDS. I. SYSTEMATICS OF THE VASCULAR PLANTS J. William Thompson 9413 by James A. Calder and Roy L. Taylor. QUEEN?S PRINTER, OTTOWA, 1968. 13 Jul 1933 Phenology: Spores. Origin: Native. WTU-5401JWT, WTU-V-004108 J. A. Calder 23652 with R. L. Taylor 21 Aug 1957 Isoetaceae WTU-240957, WTU-V-004113 Isoetes tenella Léman U.S.A., WASHINGTON, CLALLAM COUNTY: Lake Ozette. Isoetaceae 48.155°, -124.66583°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by Isoetes tenella Léman WTU Staff At low water; somewhat gravelly. Phenology: U.S.A., OREGON, JOSEPHINE COUNTY: Spores. Origin: Native. Siskiyou Mountains. Bolan Lake. Elev. 5000 ft. I. C. Otis 1773 42.022068°, -123.45918°; uncertainty: 750 m., Georef'd by Joseph Stormer 21 Aug 1933 In lake. Abundant in lake. Phenology: Spores. Origin: Native. WTU-27552A, WTU-V-004109 J. William Thompson 12484 5 Aug 1935 Isoetaceae WTU-4629JWT, WTU-V-004114 Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, CLALLAM COUNTY: Lake Ozette. 48.155°, -124.66583°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff At low water; somewhat gravelly. Phenology: Spores. Origin: Native. I. C. Otis 1773 21 Aug 1933 WTU-27552B, WTU-V-004110 Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes tenella Léman U.S.A., WASHINGTON, THURSTON COUNTY: U.S.A., OREGON, JOSEPHINE COUNTY: Hicks Lake. Bigelow Lakes, near Oregon Caves, Siskiyou 47.02167°, -122.79667°; WGS 84, Mountains. uncertainty: 10000 m., Source: GeoLocate, Elev. 6000 ft. Georef'd by WTU Staff 42.090174°, -123.373672°; WGS 84, In 18 inch water. Phenology: Spores. Origin: uncertainty: 600 m., Source: Digital Map, Native. Georef'd by Joseph Stormer In lakes. Submerged. Phenology: Spores. I. C. Otis 1733 Origin: Native. 21 Jul 1933 J. William Thompson 12414 WTU-5391JWT, WTU-V-004115 31 Jul 1935 WTU-191JWT, WTU-V-004119 Isoetaceae Isoetes echinospora Dur. × Isoetes occidentalis Hend. ? Isoetaceae U.S.A., OREGON, HOOD RIVER COUNTY: Isoetes tenella Léman Mount Hood region. Lost Lake. Elev. 3000 ft. U.S.A., WASHINGTON, SKAMANIA COUNTY: 45.489391°, -121.831552°; WGS 84, Chiquash Mountains. uncertainty: 1777 m., Source: Digital Map, 46.02331°, -121.84207°; WGS 84, Georef'd by Sara Legler uncertainty: 50000 m., Source: GeoLocate, In 6 feet of water. Submerged. Phenology: Georef'd by WTU Staff Spores. Origin: Native. In a shallow pond. Phenology: Fertile. Origin: Native. J. William Thompson 11202 Wilhelm Suksdorf 2210 31 Jul 1934 16 Aug 1900 WTU-185289, WTU-V-004116 WTU-270491, WTU-V-004120

Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes tenella Léman CANADA, BRITISH COLUMBIA: U.S.A., IDAHO, CUSTER COUNTY: Vancouver Island. Cowichan Lake. Alpine lake at base of Mount Heyburn. Phenology: Spores. Origin: Native. Elev. 8000 ft. 44.18139°, -115.05306°; WGS 84, John Thomas Howell 7680 uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff 4 Aug 1931 Alpine lake. Phenology: Spores. Origin: Native. WTU-4272JWT, WTU-V-004117 J. William Thompson 13657 4 Aug 1936 WTU-3993JWT, WTU-V-004121

Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes tenella Léman U.S.A., OREGON, JOSEPHINE COUNTY: Bigelow Lakes, near Oregon Caves, Siskiyou U.S.A., OREGON, JOSEPHINE COUNTY: Mountains. Siskiyou Mountains. Bolan Lake. Elev. 6000 ft. Elev. 5000 ft. 42.089792°, -123.373844°; WGS 84, 42.022068°, -123.45918°; uncertainty: 750 m., uncertainty: 600 m., Source: Digital Map, Georef'd by Joseph Stormer Georef'd by Joseph Stormer Abundant in lake. Phenology: Spores. Origin: In lake. Submerged. Phenology: Fertile. Origin: Native. Native. J. William Thompson 12484 J. William Thompson 12414 5 Aug 1935 31 Jul 1935 WTU-34442, WTU-V-004122 WTU-33440, WTU-V-004118 Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes howellii Engelm. CANADA, YUKON TERRITORY: U.S.A., WASHINGTON, KLICKITAT COUNTY: Canol Road, mile 222. Ross River Valley near Falcon Valley. north end of Sheldon Lake. Near south end of 45.977122°, -121.306515°; WGS 84, Sheldon Lake. uncertainty: 8021 m., Source: Digital Map, Elev. 3000 ft. Georef'd by Sara Legler In shallow water. Location of south end of lake Phenology: Spores. Origin: Native. typed onto pre-printed label. Phenology: Spores. Origin: Native. Wilhelm N. Suksdorf 2616 A. E. Porsild 11502 28 Jun 1898 with A. J. Breitung WTU-267112, WTU-V-004238 17 Aug 1944 WTU-128475, WTU-V-004123 Isoetaceae Isoetes howellii Engelm. Isoetaceae U.S.A., WASHINGTON, KLICKITAT COUNTY: Isoetes tenella Léman Rockland [Dallesport]. 45.61715°, -121.18372°; WGS 84, U.S.A., WASHINGTON, MASON COUNTY: uncertainty: 1000 m., Source: GeoLocate, Small lake, 1.5 miles on road to Allyn, from Georef'd by WTU Staff junction with Belfair-Union road. Herbarium of Wilhelm N. Suksdorf (1850-1932) 47.38583°, -122.82639°; WGS 84, A gift to the State College of Washington. uncertainty: 10000 m., Source: GeoLocate, Origin: Native. Georef'd by WTU Staff Small lake. Phenology: Spores. Origin: Native. Wilhelm N. Suksdorf 2618 I. C. Otis 2183 10 May 1899 17 Sep 1936 WTU-270510, WTU-V-004237 WTU-35350, WTU-V-004124 Isoetaceae Isoetaceae Isoetes howellii Engelm. ? Isoetes tenella Léman U.S.A., IDAHO COUNTY: Around lower lake of Camp Wilderness scout U.S.A., WASHINGTON, KITSAP COUNTY: camp in Franklin Basin; 2.75 miles north of Utah Wildcat Lake. state line. 47.59889°, -122.76528°; WGS 84, Elev. 8500 ft. uncertainty: 10000 m., Source: GeoLocate, Around lower lake. Megaspores obscurely Georef'd by WTU Staff marked with simple tubercles, microspores In about 18 inches of water. Phenology: Spores. smooth; amphibious. Phenology: Spores. Origin: Origin: Native. Native. I. C. Otis 1787 Loran C. Anderson 1356 26 Aug 1933 15 Jul 1958 WTU-5417JWT, WTU-V-004131 WTU-193794, WTU-V-004240

Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes howellii Engelm. U.S.A., IDAHO, CUSTER COUNTY: U.S.A., OREGON, WASCO COUNTY: South of Farley Lake. The Dalles. Near Dalles City. Elev. 7852 ft. Shallow pools. Phenology: Spores. Origin: 43° 58' 52.6" N, 114° 55' 43.4" W Native. Shore and hillside south of lake. Leaves green, base of leaves white on interior (upper) surface; Wilhelm N. Suksdorf 2617-Ore. submerged in approximately 20-40 cm of water. Phenology: Spores. Origin: Native. 4 May 1898 J. F. Smith 4374 WTU-273866, WTU-V-004239 17 Aug 2002 WTU-352861, WTU-V-004255 Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes howellii Engelm. U.S.A., OREGON, WASCO COUNTY: U.S.A., WASHINGTON, SPOKANE COUNTY: The Dalles. [No locality given on label]. 45.59472°, -121.1775°; WGS 84, uncertainty: 47.66098°, -117.42072°; WGS 84, 3036 m., Source: GeoLocate, Georef'd by uncertainty: 45000 m., Source: GeoLocate, Maria Yousoufian Georef'd by WTU Staff Herbarium of Wilhelm N. Suksdorf (1850-1932) In shallow water; dry in summer. Herbarium of A gift to the State College of Washington. Wilhelm N. Suksdorf (1850-1932) A gift to the Phenology: Fertile. Origin: Native. State College of Washington Additional collection date of 11 Jul 1889 on label. Wilhelm N. Suksdorf 1351-Ore. Phenology: Spores. Origin: Native. 21 Apr 1909 W. N. Suksdorf 950 WTU-274323, WTU-V-004242 10 Jun 1889 WTU-270508, WTU-V-004247 Isoetaceae Isoetes howellii Engelm. Isoetaceae U.S.A., WASHINGTON, KLICKITAT COUNTY: Isoetes howellii Engelm. Falcon Valley. 45.977122°, -121.306515°; WGS 84, U.S.A., WASHINGTON, KLICKITAT COUNTY: uncertainty: 8021 m., Source: Digital Map, Falcon Valley. Georef'd by Sara Legler 45.977122°, -121.306515°; WGS 84, Herbarium of Wilhelm N. Suksdorf (1850-1932) uncertainty: 8021 m., Source: Digital Map, A gift to the State College of Washington. Georef'd by Sara Legler Phenology: Spores. Origin: Native. Herbarium of Wilhelm N. Suksdorf (1850-1932) A gift to the State College of Washington. Wilhelm N. Suksdorf 2613 Phenology: Spores. Origin: Native. 16 Jul 1896 Wilhelm N. Suksdorf 2616 WTU-270523, WTU-V-004241 28 Jun 1898 WTU-270516, WTU-V-004249 Isoetaceae Isoetes howellii Engelm. Isoetaceae U.S.A., OREGON COUNTY: Isoetes howellii Engelm. Hood River. Phenology: Spores. Origin: Native. U.S.A., WASHINGTON, KLICKITAT COUNTY: Falcon Valley. Drake s.n. 45.977122°, -121.306515°; WGS 84, with Dickson uncertainty: 8021 m., Source: Digital Map, Georef'd by Sara Legler May 1889 Herbarium of Wilhelm N. Suksdorf (1850-1932) A gift to the State College of Washington. WTU-2411, WTU-V-004244 Phenology: Spores. Origin: Native. Wilhelm N. Suksdorf 2372 30 Jul 1895 Isoetaceae WTU-270521, WTU-V-004248 Isoetes howellii Engelm. U.S.A., WASHINGTON, KLICKITAT COUNTY: Falcon Valley. 45.977122°, -121.306515°; WGS 84, uncertainty: 8021 m., Source: Digital Map, Georef'd by Sara Legler Phenology: Spores. Origin: Native. Wilhelm N. Suksdorf 2613 16 Jul 1896 WTU-266873, WTU-V-004243 Isoetaceae Isoetaceae Isoetes nuttallii A. Br. Isoetes nuttallii A. Br. U.S.A., OREGON, COLUMBIA COUNTY: U.S.A., WASHINGTON, KLICKITAT COUNTY: St. Helens. Pittsburg Road, 0.2 road miles west [locality and coordinates withheld; status in of Route 30. Washington: G4?/S2 (Sensitive; WANHP)] Elev. 114 ft. Herbarium of Wilhelm N. Suksdorf (1850-1932) 45° 52' N, 122° 49.2' W A gift to the State College of Washington. In small creek, shallow slowly flowing water, Phenology: Spores. Origin: Native. with moss; full sun, wet rocky bald, thin soil over basalt ledges. Common in small creek; Corm Wilhelm N. Suksdorf 917 3-lobed; leaves soft, medium green. Phenology: Fertile. Origin: Native. 5 Jun 1894 P. F. Zika 18223 WTU-270492, WTU-V-004226 20 Apr 2003 WTU-355708, WTU-V-004229 Isoetaceae Isoetes howellii Engelm. Isoetaceae U.S.A., OREGON COUNTY: Oswego. Isoetes nuttallii A. Br. Ponds. Phenology: Spores. Origin: Native. U.S.A., WASHINGTON, LEWIS COUNTY: M. W. Gorman s.n. [locality and coordinates withheld; status in with Drake, Dickson Washington: G4?/S2 (Sensitive; WANHP)] Elev. 328 ft. May 1891 In small pools in wet clay, openings in thickets, edge of wet woods with Montia linearis, WTU-2412, WTU-V-004245 Cardamine, grasses. Uncommon in small pools; 3-lobed. Phenology: Fertile. Origin: Native. P. F. Zika 18256 26 Apr 2003 Isoetaceae WTU-354327, WTU-V-004230 Isoetes howellii Engelm. U.S.A., OREGON, JACKSON COUNTY: At Medford Sewage Treatment on Kirtland Isoetaceae Road, west of White City, north of Medford. T36S R2W S23; NAD 27, uncertainty: 805 m., Isoetes nuttallii A. Br. Source: TRS2LL, Georef'd by Ben Legler Vernal pools. Phenology: Spores. Origin: Native. U.S.A., WASHINGTON, KLICKITAT COUNTY: [locality and coordinates withheld; status in K. L. Chambers 4417 Washington: G4?/S2 (Sensitive; WANHP)] Phenology: Spores. Origin: Native. 19 Mar 1978 Wilhelm N. Suksdorf 917 WTU-286284, WTU-V-004223 5 Jun 1894 WTU-267107, WTU-V-004228 Isoetaceae Isoetes howellii Engelm. U.S.A., OREGON COUNTY: Gladstone. Isoetaceae Phenology: Spores. Origin: Native. Isoetes nuttallii A. Br. Thomas Howell 1526 U.S.A., WASHINGTON, KLICKITAT COUNTY: 14 Jul 1894 [locality and coordinates withheld; status in Washington: G4?/S2 (Sensitive; WANHP)] WTU-5436JWT, WTU-V-004220 Springs and meadows. Additional collection date of August 1881. Phenology: Fertile. Origin: Native. W. N. Suksdorf s.n. May 1881 WTU-160538, WTU-V-004225 Isoetaceae Isoetaceae Isoetes nuttallii A. Br. Isoetes occidentalis L.F. Hend. U.S.A., OREGON COUNTY: U.S.A., WASHINGTON, CLALLAM COUNTY: One mile south of Salem. Lake Crescent. Swamp. Phenology: Spores. Origin: Native. 48.059722°, -123.796389°; NAD 27, uncertainty: 5000 m., Source: Georeferenced, Morton E. Peck s.n. Georef'd by WTU Staff Phenology: Spores. Origin: Native. 3 Jul 1924 George Neville Jones 3556 WTU-5442JWT, WTU-V-004219 Jul 1931 WTU-663JWT, WTU-V-004210

Isoetaceae Isoetaceae Isoetes nuttallii A. Br. Isoetes occidentalis L.F. Hend. U.S.A., OREGON COUNTY: U.S.A., WASHINGTON, CLALLAM COUNTY: Hood River. Lake Crescent. Phenology: Spores. Origin: Native. 48.09472°, -123.80583°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Thomas Howell 1521 Georef'd by WTU Staff Submerged in lake. Phenology: Spores. Origin: 3 Jul 1891 Native. WTU-5488JWT, WTU-V-004222 G. N. Jones 3556 Jul 1931 WTU-5400JWT, WTU-V-004209

Isoetaceae Isoetaceae Isoetes nuttallii A. Br. Isoetes occidentalis L.F. Hend. U.S.A., ALASKA COUNTY: Prince William Sound. Knight Island. Thum Bay. U.S.A., WASHINGTON, CLALLAM COUNTY: Elev. 1476 ft. Lake Crescent. 60.206643°, -147.811189°; WGS 84, 48.059722°, -123.796389°; NAD 27, uncertainty: 2400 m., Source: Digital Map, uncertainty: 5000 m., Source: Georeferenced, Georef'd by Dan Post Georef'd by WTU Staff In mud at the bottom of small lakes and ponds Phenology: Spores. Origin: Native. in the mountains. Not reported before from Alaska. Brauts Seaside Quillwort. Phenology: George Neville Jones 3556 Spores. Origin: Native. Jul 1931 Walter J. Eyerdam 3373 WTU-21763, WTU-V-004212 26 Sep 1939 WTU-293723, WTU-V-004221 Isoetaceae Isoetes occidentalis L.F. Hend. Isoetaceae U.S.A., WASHINGTON, CLALLAM COUNTY: Isoetes nuttallii A. Br. Lake Crescent. 48.09472°, -123.80583°; WGS 84, CANADA, BRITISH COLUMBIA: uncertainty: 10000 m., Source: GeoLocate, [locality and coordinates withheld; status in Georef'd by WTU Staff British Columbia: S3 (Rare, Blue List; BCCDC)] Phenology: Fertile. Origin: Native. Phenology: Spores. Origin: Native. G. N. Jones 3556 John Thomas Howell 7667 Jul 1931 2 Aug 1931 WTU-315810, WTU-V-004211 WTU-4270JWT, WTU-V-004224 Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, CLALLAM COUNTY: U.S.A., WASHINGTON, CLALLAM COUNTY: Lake Crescent. North shore of Lake Ozette, 2 miles E of outlet. 48.09472°, -123.80583°; Source: Inferred 48.155°, -124.66583°; WGS 84, uncertainty: from duplicate specimen, Georef'd by Ed 10000 m., Source: GeoLocate, Georef'd by Alverson WTU Staff Submerged. Phenology: Spores. Origin: Native. In about 2 feet of water. Phenology: Spores. Origin: Native. J. B. Flett s.n. C. L. Hitchcock 24070 20 Aug 1911 with R. Spellenberg, D. Sutherland WTU-36882, WTU-V-004264 27 Jul 1965 WTU-354002, WTU-V-004257 Isoetaceae Isoetes occidentalis L.F. Hend. Isoetaceae U.S.A., WASHINGTON, CLALLAM COUNTY: Isoetes occidentalis L.F. Hend. Lake Ozette. 48.155°, -124.66583°; WGS 84, uncertainty: U.S.A., WASHINGTON, CLALLAM COUNTY: 10000 m., Source: GeoLocate, Georef'd by North end of Lake Ozette. WTU Staff Elev. 36 ft. In 3 feet of water. Growing in water. Phenology: T31N R15W S32 SE 1/4; NAD 27, Spores. Origin: Native. uncertainty: 805 m., Source: TRS2LL, Georef'd by Ben Legler George Neville Jones 5971 In two feet of water, with Potamogeton epihydrus, Najas flexilis, Equisetum fluviatile. 12 Aug 1934 National Park Service Olympic National Park Accession No.: OLYM-463 Catalog No.: WTU-23636, WTU-V-004214 OLYM18472. Phenology: Spores. Origin: Native. P. F. Zika 14235A Isoetaceae 5 Sep 1999 Isoetes occidentalis L.F. Hend. WTU-339426, WTU-V-004259 U.S.A., WASHINGTON, CLALLAM COUNTY: Lake Ozette. Isoetaceae 48.155°, -124.66583°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by Isoetes occidentalis L.F. Hend. ? WTU Staff In 3 feet of water. Growing in water. Phenology: U.S.A., WASHINGTON, THURSTON COUNTY: Spores. Origin: Native. Hicks Lake, 4 miles east of Olympia, near public access area. George Neville Jones 5971 47.038029°, -122.814476°; WGS 84, uncertainty: 1000 m., Source: GeoLocate, 12 Aug 1934 Georef'd by WTU Staff In shallow water at edge of lake. Growing in WTU-315775, WTU-V-004216 shallow water at edge of lake. Phenology: Spores. Origin: Native. C. L. Hitchcock 24125 Isoetaceae 22 Sep 1965 Isoetes occidentalis L.F. Hend. WTU-234028, WTU-V-004260 U.S.A., WASHINGTON, CLALLAM COUNTY: Lake Ozette. 48.155°, -124.66583°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff At low water level of lake. Phenology: Spores. Origin: Native. I. C. Otis 1773 21 Aug 1933 WTU-5398JWT, WTU-V-004258 Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, KING COUNTY: U.S.A., WASHINGTON, KING COUNTY: Seattle. Lake Sammamish. 47.613617°, -122.310098°; WGS 84, 47.6°, -122.084722°; NAD 27, uncertainty: uncertainty: 15750 m., Source: Digital Map, 10000 m., Source: Georeferenced, Georef'd Georef'd by Joseph Stormer by WTU Staff Herbarium, University of Washington Collection Submerged in lake. Phenology: Spores. Origin: by C. V. Piper presented by Young Naturalists' Native. Society. Phenology: Spores. Origin: Native. I. C. Otis 1682 C. V. Piper 651 11 Aug 1929 11 Jul 1889 WTU-1465JWT, WTU-V-004266 WTU-2272, WTU-V-004261

Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, KING COUNTY: U.S.A., WASHINGTON, KING COUNTY: By shore of Lake Sammamish. Seattle. 47.64194°, -122.07917°; WGS 84, 47.613617°, -122.310098°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, uncertainty: 15750 m., Source: Digital Map, Georef'd by WTU Staff Georef'd by Joseph Stormer In 2 feet of water. Phenology: Spores. Origin: Phenology: Spores. Origin: Native. Native. C. V. Piper 651 I. C. Otis 1711 with E. C. Smith 7 Jul 1933 11 Jul 1889 WTU-1464JWT, WTU-V-004267 WTU-2271, WTU-V-004262

Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., WASHINGTON, KING COUNTY: Tacoma. Spanaway Lake. Seattle. Green Lake. 47.130089°, -122.2621°; Source: Inferred from duplicate 47.68722°, -122.33194°; WGS 84, specimen, Georef'd by Ed Alverson uncertainty: 10000 m., Source: GeoLocate, Shallow water. Type Locality. Ex Herb. J. W. Thompson. Phenology: Georef'd by WTU Staff Fertile. Origin: Native. Phenology: Spores. Origin: Native. Myrtle Culmer s.n. 6 Jun 1908 C. V. Piper 1102 WTU-5495JWT-a Jun 1891 WTU-2273, WTU-V-004263 Isoetaceae Isoetes occidentalis L.F. Hend. Isoetaceae U.S.A., WASHINGTON, PIERCE COUNTY: Lake Spanaway. Isoetes occidentalis L.F. Hend. 47.10417°, -122.43333°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, U.S.A., WASHINGTON, KING COUNTY: Georef'd by WTU Staff Five Mile Lake. Shallow borders of lake. Topotype. Phenology: 47.2724°, -122.28563°; WGS 84, uncertainty: Spores. Origin: Native. 500 m., Source: GeoLocate, Georef'd by WTU Staff J. William Thompson 9663 Submerged and near water. Indefinite loan by Tacoma High School to Unversity of 4 Aug 1933 Washington. Phenology: Spores. Origin: Native. WTU-5495JWT-b, WTU-V-004268 J. B. Flett 2034 3 Oct 1902 WTU-39283, WTU-V-004265 Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. ? Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, PIERCE COUNTY: U.S.A., ALASKA COUNTY: Tacoma. Spanaway. [locality and coordinates withheld; status in 47.130089°, -122.2621°; Source: Inferred Alaska: S3S4 (Of Concern; AKNHP)] from duplicate specimen, Georef'd by Ed In a small lake on mountain side, depth about 2 Alverson feet. (New to Alaska). Phenology: Spores. In water. Twelve mile Wort. Origin: Native. Origin: Native. Myrtle Hall s.n. W. J. Eyerdam 3373 20 May 1911 26 Sep 1939 WTU-2232, WTU-V-004269 WTU-116719, WTU-V-004273

Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, LEWIS COUNTY: U.S.A., ALASKA COUNTY: Walupt Lake, Goat Rocks Primitive Area. [locality and coordinates withheld; status in Elev. 4000 ft. Alaska: S3S4 (Of Concern; AKNHP)] 46.4175°, -121.46139°; WGS 84, uncertainty: Elev. 100 ft. 10000 m., Source: GeoLocate, Georef'd by In small lake with mud bottom; also along WTU Staff streams, often above water. Growing at a depth Alpine lake margins. Phenology: Spores. Origin: of 2-5 feet in small lake. Phenology: Spores. Native. Origin: Native. J. William Thompson 15163 Robert M. Hardy 253 4 Aug 1940 27 Jul 1945 WTU-23225JWT, WTU-V-004270 WTU-97608, WTU-V-004274

Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes occidentalis L.F. Hend. ? U.S.A., WASHINGTON, STEVENS COUNTY: U.S.A., OREGON, KLAMATH COUNTY: Lake Thomas. At edge of Lake Crescent [Crescent Lake]. 48.62774°, -117.53941°; WGS 84, Elev. 4500 ft. uncertainty: 1500 m., Source: GeoLocate, 43.476898°, -121.991906°; uncertainty: 4500 Georef'd by WTU Staff m., Georef'd by Joseph Stormer Submerged in 1-2 feet of water on sandy lake In shallow water (emersed). Phenology: bottom. Phenology: Spores. Origin: Native. Vegetative. Origin: Native. Earle F. Layser 1846 C. L. Hitchcock 4945 with J. S. Martin Aug 1971 26 Jun 1939 WTU-266088, WTU-V-004271 WTU-53851, WTU-V-004275

Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, MASON COUNTY: In a small lake about 20 miles north of Shelton. U.S.A., IDAHO COUNTY: 47.504792°, -123.09944°; WGS 84, Lake Coeur d'Alene. uncertainty: 1000 m., Source: GeoLocate, Elev. 2132 ft. Georef'd by WTU Staff Phenology: Spores. Origin: Native. In a small lake. Phenology: Spores. Origin: Native. John B. Leiberg 1656 W. J. Eyerdam 1212 1 Oct 1895 15 Aug 1937 WTU-5435JWT, WTU-V-004276 WTU-291357, WTU-V-004272 Isoetaceae Isoetaceae Isoetes sp. Isoetes tenella Léman U.S.A., WASHINGTON, CLALLAM COUNTY: U.S.A., WASHINGTON, KING COUNTY: Lake Ozette. In Bitter Lake, near Seattle. 48.097222°, -124.643889°; NAD 27, 47.60639°, -122.33083°; WGS 84, uncertainty: 5000 m., Source: Georeferenced, uncertainty: 5000 m., Source: GeoLocate, Georef'd by WTU Staff Georef'd by WTU Staff Submerged, near the shore. Phenology: No. 1114 "Young Naturalists Society." Vegetative. Origin: Native. Phenology: Vegetative. Origin: Native. Harold E. Helmrich 228 Louis F. Henderson 1114 with Charles V. Piper 13 Jul 1933 Jul 1891 WTU-306019, WTU-V-004277 WTU-2258, WTU-V-004136

Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes tenella Léman U.S.A., OREGON, HOOD RIVER COUNTY: Lost Lake, Mount Hood. U.S.A., WASHINGTON, WAHKIAKUM Elev. 3000 ft. COUNTY: 45.489349°, -121.821695°; uncertainty: 3000 North shore of Grays Bay, Columbia River, 0.5 m. kilometer northwest of Miller Point. Submerged in 6 feet of water. Phenology: Elev. 6 ft. Vegetative. Origin: Native. 46° 18.5' N, 123° 42.3' W; T10N R8W S31 Freshwater intertidal marsh, in deep mud, with J. William Thompson 11202 Lilaeopsis. Uncommon in mud. Phenology: Spores. Origin: Introduced. 31 Jul 1934 Peter F. Zika 22238 WTU-358354, WTU-V-004213 with David Giblin, Cathy Maxwell, Ben Legler 30 Aug 2005 Isoetaceae WTU-373850, WTU-V-004139 Isoetes occidentalis L.F. Hend. U.S.A., WASHINGTON, KING COUNTY: Isoetaceae Cedar River Watershed. Walsh Lake. Elev. 725 ft. Isoetes nuttallii A. Br. 47° 24.7' N, 121° 55.8' W Lake, shorline, and wetlands. Rooted. U.S.A., OREGON, LANE COUNTY: Phenology: Spores. Origin: Native. Near East Fork Willow Creek, south side of West 18th Avenue. Eugene. TNC Willow Creek P. F. Zika 17608 Natural Area. with Bob Antieau Elev. 410 ft. 44° 2' N, 123° 10' W 24 Aug 2002 Occasional in saturated (not inundated) soil, wet prairie remnant, opening in oak woods, with WTU-364797, WTU-V-004218 Lotus formosissimus, Camassia quamash, Cardamine penduliflora, Juncus bufonius. Some plants slightly 3-lobed. Phenology: Vegetative. Origin: Native. Isoetaceae Peter F. Zika 22949 Isoetes flaccida A. Braun with E. Alverson U.S.A., WASHINGTON, KING COUNTY: 6 May 2007 Department of Biology Greenhouse, University of Washington, Seattle. WTU-365274, WTU-V-004233 47.60639°, -122.33083°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, Georef'd by WTU Staff Origin of plant probably Florida. Phenology: Fertile. Origin: Introduced. Cultivated. Karin Everett s.n. 2005 WTU-358769, WTU-V-033786 Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes bolanderi Engelm. ? U.S.A., WASHINGTON, SPOKANE COUNTY: U.S.A., WASHINGTON, KITTITAS COUNTY: "Mima Pool," circa 0.5 mile west of Stubblefield Along Trail 1345, 0.25 mile east of junction with Lake, Turnbull National Wildlife Refuge. PCT. Elev. 2378 ft. Elev. 5460 ft. 47° 24' N, 117° 30.6' W 47° 32.684' N, 121° 7.484' W; T24N R14E Full sun, vernal pool, with Myosurus minimus, S29; WGS 84 Eleocharis palustris, rocky flood-scoured Shallow pond with mud bottom. Other plants thin-soiled mosaic of lithosols, sparse prairie. nearby: Vaccinium deliciosum, Lupinus latifolia, Corm 2-lobed, velum covers 20-30% of Chamaecyperus nootkatensis, Ligusticum greyi. sporangia, megaspores 42 micrometers; local. Locally common. Phenology: Spores. Origin: Phenology: Spores. Origin: Native. Native. P. F. Zika 16927 Don Knoke 1176 with C. R. Bjork 27 Aug 2006 27 May 2002 WTU-370382, WTU-V-004105 WTU-367774, WTU-V-004254

Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes howellii Engelm. U.S.A., OREGON, LINCOLN COUNTY: U.S.A., WASHINGTON, LINCOLN COUNTY: Near Inlet of Rock Creek, East Devils LAke South of Swanson Lakes. State Park, Lincoln City. Elev. 2276 ft. T7S R11W S14; NAD 27, uncertainty: 805 m., 47° 34.7' N, 118° 30.4' W Source: TRS2LL, Georef'd by Ben Legler Full sun, with Limosella, Lillaea, Montia Submerged, southwest end of Devils Lake, with dichotoma, Montia linearis, Downingia elegans, Egeria densa, Utricularia vulgaris, Vallisnera tableland above and west of road. Corm americana. Phenology: Spores. Origin: Native. 2-lobed, velum covers 20-30% of spoprangia, megaspores circa 45 micrometers; occasional in Peter F. Zika 11840 vernal pools. Phenology: Spores. Origin: Native. 8 Aug 1992 P. F. Zika 16938 with C. R. Bjork WTU-373452, WTU-V-004217 27 May 2002 WTU-367689, WTU-V-004253 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., WASHINGTON, KITTITAS COUNTY: Along Quartz Mountain Road 3100 at junction Isoetes bolanderi Engelm. with FR 230. Elev. 5819 ft. U.S.A., OREGON, CURRY COUNTY: 47° 3.305' N, 120° 3.176' W; T18N R14E S9; Game Lake. WGS 84 Elev. 3920 ft. Abundant on muddy bottom of pond; wet, deep T36S R12W S26 SW 1/4 of NW 1/4; NAD 27, soil; gentle slope. Other plants: Picea uncertainty: 805 m., Source: TRS2LL, engelmannii, Abies lasiocarpa, Vaccinium Georef'd by Ben Legler scoparium, Ligusticum grayi. Megaspore 0.4 Submerged. Phenology: Vegetative. Origin: millimeters in diameter. Phenology: Spores. Native. Origin: Native. Veva Stansell s.n. Don Knoke 1700 11 Nov 1991 2 Sep 2008 WTU-368715, WTU-V-004106 WTU-373929, WTU-V-004107 Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes howellii Engelm. U.S.A., WASHINGTON, WAHKIAKUM U.S.A., WASHINGTON, LINCOLN COUNTY: COUNTY: Batchelor Prairie, approximately 5 miles Julia Butler Hansen Refuge for Columbian southeast of Creston. White-tailed Deer. Steamboat Slough; bank of Elev. 2370 ft. Columbia River just off road. UTM Zone 11, 394166E, 5288020N; T26N Elev. 22 ft. R35E S21 NE of SW; NAD 27, uncertainty: 46.24875° N, 123.43319° W; WGS 84 805 m., Source: TRS2LL, Georef'd by Ben Freshwater intertidal zone adjacent to road and Legler disturbed roadside edge. Common in intertidal Plants growing in vernal pool. Aspect: 270 zone in mucky soil. Phenology: Spores. Origin: degrees. Slope: 2%. Associated species: Native. Camassia quamash, Allium geyeri, Poa bulbosa, Deschampsia danthonioides, Juncus David Giblin 2512 bufonius, Eleocharis palustris, Veronica with Cathy Maxwell, Joe Arnett peregrina, Plagiobothrys scouleri, Orthocarpus hispidus, Myosurus aristitus, Downingia yina. 8 Sep 2008 Stock is 2 lobed. Megaspores not mature. Plants revisited on 6/13/2011. Phenology: WTU-399921, WTU-V-006210 Spores. Origin: Native. Kathryn A. Beck 201108 11 May 2011 Isoetaceae with Florence Caplow Isoetes minima A.A. Eaton WTU-386591, WTU-V-004256 Isoetaceae U.S.A., WASHINGTON, KITTITAS COUNTY: [locality and coordinates withheld; status in Isoetes minima A.A. Eaton Washington: G1G2/S1 (Sensitive; WANHP)] Elev. 5375 ft. U.S.A., WASHINGTON, OKANOGAN COUNTY: Vernally moist meadow with Hesperochiron [locality and coordinates withheld; status in Washington: G1G2/S1 pumilum, Lewisia tryiphylla, and Camassia (Sensitive; WANHP)] quamash. Locally common in saturated soil; Elev. 4500 ft. plants to 3 cm. high. Phenology: Spores. Origin: Plants growing in seasonal seep, in an open, sloping meadow. Native. Aspect: 105 degrees. Slope: 5%. Associated species: Delphineum [sic: Delphinium] burkei, Mimulus floribundus, Mimulus guttatus, Ben Legler 11766 Deschampsia elongata, Lomatium ambiguum, Sedum stenopetalum, Antennaria luzuloides, Koeleria macrantha, Pseudoroegneria 30 Jun 2010 spicata, Agoseris heterophylla, Collinsia parviflora, Juncus bufonius. Plants small. Phenology: Spores. Origin: Native. WTU-385650, WTU-V-004236 Kathryn A. Beck 201191 17 Aug 2011 WTU-387452 Isoetaceae Isoetes minima A.A. Eaton Isoetaceae U.S.A., WASHINGTON, OKANOGAN COUNTY: Isoetes occidentalis L.F. Hend. [locality and coordinates withheld; status in Washington: G1G2/S1 (Sensitive; WANHP)] U.S.A., WASHINGTON, MASON COUNTY: Elev. 4500 ft. Isabella Lake. Accessed by public park on Plants growing in seasonal seep in open Delight Park Road. meadow. Aspect: 105 degrees. Slope: 10%. Elev. 43 m. Associated species: Delphineum [sic: 47.17167° N, 123.10949° W; WGS 84, Delphinium] burkei, Mimulus floribundus, uncertainty: 5 m., Georef'd by Maria Mimulus guttatus, Deschampsia elongata, Yousoufian Lomatium ambiguum, Sedum stenopetalum, Shoreline dominated by Salix sp. and Thuja Antennaria luzuloides, Koeleria macrantha, plicata; lake margin to 80 centimeter depth. Pseudoroegneria spicata, Agoseris Forming dense mats in water to 80 centimeters heterophylla, Collinsia parviflora, Juncus deep. Phenology: Spores. Origin: Native. bufonius. Plants small. Phenology: Spores. Origin: Native. David Giblin 3191 Kathryn A. Beck 201145 25 Jun 2011 2 Sep 2009 WTU-387376, WTU-V-004140 WTU-392859, WTU-V-004235 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes howellii Engelm. U.S.A., OREGON, DESCHUTES COUNTY: CANADA, BRITISH COLUMBIA: At south end of Elk Lake adjacent to Little Fawn [locality and coordinates withheld; status in Boat Launch. British Columbia: S1 (Critically Imperiled, Red Elev. 1460 m List; BCCDC)] 43.964262° N, 121.797808° W; WGS 84, Elev. 340 m. uncertainty: 10 m., Source: GPS In shallow water or stranded by dropping water Exposed shoreline of receding lake; sandy, levels in mud; full sun, with Carex athrostachya, gravelly, and cobbly shore, with Carex, C. viridula, Equisetum palustre, Helenium, Ranunculus flammula, and Potentilla anserina. Teucrium, Prunella, Equisetum fluviatile. Plants abundant in shallow water and washed Occasional. Phenology: Spores. Origin: Native. up on shore. Phenology: Spores. Origin: Native. Peter F. Zika 26790 Katie Messick 2013-53 with Ben Legler 20 Aug 2014 14 Jul 2013 WTU-400449, WTU-V-006849 WTU-410200, WTU-V-024205 Isoetaceae Isoetaceae Isoetes occidentalis L.F. Hend. Isoetes tenella Léman U.S.A., WASHINGTON, SKAMANIA COUNTY: Northwest side of Mount Adams. Ollalie Lake. CANADA, ONTARIO: Elev. 1292 m. Thunder Bay District. Port Coldwell. 46° 17.32' N, 121° 36.99' W; Source: Field notes 48° 45' N, 86° 15' W; Source: Specimen label On a sunny shore in deep muck in .05-1.5 meters of water. In mud in 1 foot of water. [Lat/Lon approximate.] Abundant. Megaspores beginning to disintegrate. Phenology: Spores. Origin: Native. T. M. C. Taylor 53 with M. W. Bannan, H. M. Harrison David Biek 04-237 17 Jul 2004 with Susan McDougall 16 Aug 1939 Herbarium: WTU WTU-371661, WTU-V-004138 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., OREGON, GRANT COUNTY: Isoetes tenella Léman Umatilla National Forest: unnamed cirque in headwaters of East Fork Clear Creek, ca. 1 air mile NW of Vinegar Hill. CANADA, ONTARIO: Elev. 2220 m. Thunder Bay District. Small lake. Vicinity of 44.725383° N, 118.571341° W; WGS 84, uncertainty: 4 m., Peninsula. Source: GPS, Georef'd by Ben Legler 48° 45' N, 86° 15' W; Source: Specimen label Wet meadow in small cirque, with small, shallow pond in bottom; Muddy shore of small lake. [Lat/Lon vegetation dominated by Allium validum. Dominant across pond approximate.] bottom in soft mud, with many plants also floating on surface. Phenology: Spores. Origin: Native. T. M. C. Taylor 52 with M. W. Bannan, H. M. Harrison Ben Legler 12155 16 Aug 2011 with Nick Otting, Richard Brainerd 8 Aug 1939 Herbarium: WTU WTU-371662, WTU-V-004137 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes howellii Engelm. U.S.A., IDAHO, BONNER COUNTY: Kanisku National Forest: Northwest shore of Moose Lake, ca 21 air U.S.A., OREGON, WASCO COUNTY: miles ENE of Sandpoint. Near The Dalles. Elev. 1629 m. Shallow ponds. Phenology: Spores. Origin: 48.354664° N, 116.109353° W; WGS 84, uncertainty: 6 m., Native. Source: GPS, Georef'd by Ben Legler Wet Carex meadows on lakeshore, grading into shallow, clear lake J. William Thompson 2793 water with muddy bottom, backed by subalpine conifer forest with Vaccinium and Menziesia understory. Leaves straight and erect, 1 Jul 1927 abruptly tapered to tip; megaspores ca 0.6 mm diameter, with low rounded bumps; plants fully submerged in lake shallows, scattered WTU-5418JWT, WTU-V-004251 but common, growing with I. tenella. Phenology: Spores. Ben Legler 13146 2 Aug 2014 Herbarium: WTU Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes U.S.A., IDAHO, BONNER COUNTY: U.S.A., ALASKA, PETERSBURG COUNTY: Kanisku National Forest: Northwest shore of Moose Lake, ca 21 air Kupreanof Island, west of Duncan Canal. miles ENE of Sandpoint. Elev. 20 ft. Elev. 1629 m. UTM Zone 8, 602432E, 6289376N 48.354664° N, 116.109353° W; WGS 84, uncertainty: 6 m., Plants growing submerged in large shallow Source: GPS, Georef'd by Ben Legler creek. Aspect: 0 degrees. Slope: 0%. Wet Carex meadows on lakeshore, grading into shallow, clear lake Associated species: Alnus rubra, Viburnum water with muddy bottom, backed by subalpine conifer forest with edule, Rosa nutkana, Lysichiton americanum, Vaccinium and Menziesia understory. Leaves curved outwards, the Rubus parviflorus, Juncus supiniformis, tips horizontal, slender; megaspores ca 0.4 mm diameter, spiny, the Ranunculus flammula, Prunella lanceolata, spines not much reduced in size near equator; plants fully Veratrum viride. Megaspores are immature. submerged, common but scattered in lake shallows; growing with I. Phenology: Vegetative. bolanderi. Phenology: Spores. Kathryn A. Beck 201164 Ben Legler 13147 2 Aug 2014 22 Jul 2011 Herbarium: WTU WTU-414224, WTU-V-031342 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., WASHINGTON, KITTITAS COUNTY: Isoetes cf. howellii Engelm. Wenatchee National Forest: At southeast end of Waptus Lake, on south shore where lake enters U.S.A., WASHINGTON, KLICKITAT COUNTY: narrow channel leading to outlet. Between Crofton Prairie and Bowman Creek. Elev. 904 m. Elev. 1425 ft. 47.495993° N, 121.165922° W; WGS 84, UTM Zone 10, 654318E, 5080006N; T04N uncertainty: 6 m., Source: GPS, Georef'd by R14E S02 SE 1/4 of SE 1/4; WGS 84, Ben Legler uncertainty: 1000 m., Source: Digital Map, Clear lake shallows, water ca 40 cm deep, soft Georef'd by Crystal Shin muddy bottom, with scattered Equisetum Plants growing in flowing water of small creek. fluviatile, Callitriche verna, and Sparganium. Aspect: 200 degrees. Slope: 2%. Associated Plants scattered on bottom, fully submerged; species: Mimulus guttatus, Eleocharis sp., leaf tips abruptly tapered. Phenology: Spores. Carex sp., Ranunculus sp., Quercus garryana, Pinus ponderosa. Phenology: Vegetative. Ben Legler 13920 Origin: Native. 19 Sep 2015 Kathryn A. Beck 201104 Herbarium: WTU 5 May 2011 WTU-414216, WTU-V-031223 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., WASHINGTON, SKAMANIA COUNTY: Isoetes occidentalis L.F. Hend. Gifford Pinchot National Forest: edge of a small dry lake among Chain of Lakes. U.S.A., ALASKA, SITKA COUNTY: Elev. 1333 m. [locality and coordinates withheld; status in 46.294821° N, 121.596646° W; WGS 84, uncertainty: 5 m., Alaska: S3S4 (Of Concern; AKNHP)] Source: GPS, Georef'd by Ben Legler Elev. 11 m. Moist, silty and sandy soil on margin of a dried pond among Shallow lake bottom. Common. Phenology: subalpine conifer forest, with tufts of Carex spp., Eleocharis Vegetative. Origin: Native. acicularis. Megaspores 0.37-0.4 mm diam, surfaces with low tubercles, not spiny; stock 2-lobed; plants scattered in bare areas of Brad Krieckhaus 849 drying lake edge where seasonally flooded. Phenology: Spores. 9 Sep 2010 Ben Legler 14363 3 Sep 2016 with Sara Legler WTU-407591, WTU-V-020891 Herbarium: WTU Isoetaceae Isoetaceae Isoetes maritima Underw. Isoetes occidentalis L.F. Hend. U.S.A., ALASKA COUNTY: U.S.A., WASHINGTON, CLALLAM COUNTY: Petersburg Quad.: Prince of Wales Island, Center of south shore of Lake Sutherland, by Alexander Archipelago, northern part of island, boat launch, Elwha River drainage, 7.2 air Neck Lake, southeast side. kilometers north northeast of Lizard Head Peak, Elev. 31-31 m. Olympic Peninsula. 56.09514° N, 133.15602° W; Source: Elev. 160 m. Specimen Label 48.074° N, 123.711° W; Source: Specimen Growing in about 1 decimeter of water, cobble Label substrate. Common in this area and habitat. On shale pebble lake bottom, with Elodea, Forest Service Alaska Region, TNFS Potamogeton spp., algae. Occasional Herbarium, v. 7713. Origin: Native. submerged aquatic, stiff leaves 3-8 centimeters long, covered in algae, rootstock 2-lobed. Mary C. Stensvold 8379 Phenology: Vegetative. Origin: Native. 8 Jul 2009 Peter F. Zika 27271 WTU-408349, WTU-V-022762 27 Aug 2015 WTU-406721, WTU-V-18937 Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes occidentalis L.F. Hend. U.S.A., ALASKA COUNTY: Dixon Entrance Quad.: Alexander Archipelago, CANADA, BRITISH COLUMBIA: Prince of Wales Island, Bokan Mountain, west SE shore of Kennedy Lake, near Route 4, side, just north of the lake. Alberni-Clayoquot Regional District. Elev. 242-242 m. Elev. 6 m. 54.92384° N, 132.16668° W; Source: 49.0416° N, 125.524° W; Source: Specimen Specimen Label Label Fjell field, trees dwarf and shrubby, growing in a Submerged aquatic. Gravel bottom, full sun, dried pond bed in mud between rocks, only with Ranunculus flammula, Zannichellia, Lobelia seen in this area, Pinus contorta, dortmanna, SE shore of Kennedy Lake. Chamaecyparis nootkatensis, Tsuga Submerged aquatic, leaves dark green, stiff, heterophylla, Myrica Gale, Juniperus, spreading, occasional. Phenology: Vegetative. Vaccinium. Most plants with immature Origin: Native. megaspores. Forest Service Alaska Region, TNFS Herbarium, v. 7792. Origin: Native. Peter F. Zika 28455 Mary C. Stensvold 7219 8 Jul 1998 18 Sep 2016 WTU-408348, WTU-V-022763 WTU- 412215, WTU-V-026662 Isoetaceae Isoetes Isoetaceae U.S.A., ALASKA COUNTY: Isoetes howellii Engelm. Baranof Island. Unnamed lake below Banner lake. CANADA, BRITISH COLUMBIA: Elev. 70 ft. [locality and coordinates withheld; status in 56.581° N, 134.674° W; Source: Specimen British Columbia: S1 (Critically Imperiled, Red Label List; BCCDC)] Growing in shallow water and mud. Forest Elev. 335 m. Service Alaska Region, TNFS Herbarium, v. Damp sand, full sun, in sparse vegetation, with 6532. Isoetes maritima, I. x marensis (in the water), Equisetum fluviatile, Ranunculus flammula, Brad Krieckhaus 156 Myriophyllum. Leaves straight, ascending; uncommon stranded aquatic. Origin: Native. 16 Jul 2003 Peter F. Zika 28346 WTU-408347, WTU-V-022764 27 Aug 2016 WTU-412199, WTU-V-026675 Isoetaceae Isoetaceae Isoetes ×marensis D.M. Britt. & D.F. Brunt. Isoetes occidentalis L.F. Hend. CANADA, BRITISH COLUMBIA: U.S.A., ALASKA COUNTY: Small sand and gravel point, southeast shore of [locality and coordinates withheld; status in Mara Lake, 0.5 kilometer north of park, North Alaska: S3S4 (Of Concern; AKNHP)] Okanagan Regional District. Elev. 107 m. Elev. 335 m. Origin: Native. 50.72783° N, 119.031525° W; Source: Specimen Label Mary C. Stensvold 6602 In 5-15 centimeters water, with Isoetes maritima, I. howellii (on shore), Equisetum 17 Jul 1995 fluviatile, Ranunculus flammula, Potamogeton richardsonii. Leaves straight, erect, much taller WTU-414077, WTU-V-029547 than parents at this site; uncommon submerged aquatic. Peter F. Zika 28347 Isoetaceae 27 Aug 2016 Isoetes ×pseudotruncata D.M. Britton & D.F. Brunt. WTU-412200, WTU-V-026678 CANADA, BRITISH COLUMBIA, ALBERNI-CLAYOQUOT: Isoetaceae NE end of Sproat Lake, near boat launch, S of Lakeshore Road, Alberni-Clayoquot Regional Isoetes maritima Underw. District Elev. 30 m. CANADA, BRITISH COLUMBIA: 49.292° N, 124.9291° W; Source: Specimen SE shore of Mara Lake, 0.5 km N of park, North Label Okanagan Regional District. 100s of plants in 0.5-1 m water, gravel and mud Elev. 335 m. bottom, full sun. Common. With Lobelia 50.72783° N, 119.031525° W; Source: dortmanna, Ranunculus flammula, Potamogeton Specimen Label amplifolius, Juncus bulbosus. Origin: Native. Submerged aquatic, in 5--15 cm water, with Isoetes x marensis, I. howellii (on shore), Peter F. Zika 28462 Equisetum fluviatile, Ranunculus flammula, Potamogeton richardsonii, small sand and 18 Sep 2016 gravel point. leaves strongly spreading; occasional submerged aquatic. Origin: Native. WTU-412480, WTU-V-026890 Peter F. Zika 28345 Isoetaceae 27 Aug 2016 Isoetes nuttallii A. Br. WTU-412554, WTU-V-027106 U.S.A., CALIFORNIA, BUTTE COUNTY: On the very west edge of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and Isoetaceae 2 3/4 east of Honcut, about 12 miles (air) southeast of Oroville. Isoetes howellii Engelm. Elev. 150 ft. 39° 20' 48.5" N, 121° 29' 13.8" W; T17N, U.S.A., WASHINGTON, STEVENS COUNTY: R4E, northeast 1/4 Section 11.; Source: Colville National Forest. Mt. Rogers pond, next Specimen Label to Trail #131. Take Aladdin Rd. north from On damp soil, on rock. Foothill woodland. Colville to the Kolle Ck. [creek] Rd., and follow Normal size plants. Common. Origin: Native. up to the south trailhead. Walk about 1.5 mi. to pond site on downhill side of trail. Lowell Ahart 20831 Elev. 5040 ft. T37N R40E S10 NENW; WGS 84, 15 May 2016 uncertainty: 2000 m., Source: Digital Map, Georef'd by Crystal Shin WTU-412648, WTU-V-028556 Very uncommon. Bottom of seasonal pond,about 1/2 acre at its largest extent, dry now, with peaty substrate. Associated spp.; next ring, Carex vesicaria, third ring, C. Saxatilis, others: Aster foliaceus var. apricus, Botrychium multifidum, Veronica americana, V. scutellata, V. serpyllifolia, Rorippa curvisiliqua, Epilobium glandulosum, Carex arcta, Salix sitchensis, Potentilla norvegica. Origin: Native. Linda Swartz 517 8 Sep 1998 WTU-411662, WTU-V-026159 Isoetaceae Isoetaceae Isoetes nuttallii A. Br. Isoetes asiatica (Makino) Makino U.S.A., CALIFORNIA, BUTTE COUNTY: RUSSIA, SAKHALIN OBLAST: On the west side of Swedes Flat Road, about Kuril Archipelago: Paramushir, inland from 1/2 miles southwest of Dutch Ravine, about 8 Krasheninnikova Bay, near Krasheninnikova miles (air) southeast of Oroville. River. Elev. 1263 ft. 50° 16' 48" N, 155° 20' 59" E; Source: 39° 26' 43.4" N, 121° 24' 15" W; T18N, R5E, Specimen Label southeast 1/4 Section 4; Source: Specimen Near shore of pond (20x10 meters, <0.5 meter Label deep) in meadow. Phenology: Vegetative. On dry to damp fine granite soil. Foothill Woodland. Normal size plants. Uncommon, Noboru Minakawa SG 4430 inconspicuous. Origin: Native. 16 Aug 1997 Lowell Ahart 20743 WTU-348903, WTU-V-043999 15 Apr 2016 WTU-412646, WTU-V-028559 Isoetaceae Isoetaceae Isoetes riparia Engelm. ex A. Braun Isoetes nuttallii A. Br. U.S.A., DELAWARE, NEW CASTLE COUNTY: Near Wilmington. U.S.A., CALIFORNIA, SIERRA COUNTY: 39.745947°, -75.546589°; WGS 84, T19N, R9E, northwest 1/4 Section 18; on the uncertainty: 10000 m., Source: GeoLocate, north side of the Canyon Creek Trail, trail on the Georef'd by John Haskins north side of the North Fork of the Yuba River, River shores. Herbarium, University of about 300 yards west of Highway 49, about one Washington Collection by C. V. Piper Presented mile west of Indian Valley. by Young Naturalists' Society. Phenology: Elev. 2273 ft. Spores. Origin: Native. 39° 30' 57.9" N, 121° 54.4" W; Source: Specimen Label Wm. M. Canby s.n. On wet moss covered soil; cliff; mixed evergreen forest. Normal size plants; [no collection date given] uncommon; inconspicuous. Origin: Native. WTU-2384, WTU-V-042912 Lowell Ahart 20,153 9 May 2015 Isoetaceae WTU-418028, WTU-V-039908 Isoetes tenella Léman DENMARK: Isoetaceae Kvie Sø at Ansager, W. of Grindsted. 55.724983°, 8.769517°; WGS 84, uncertainty: Isoetes howellii Engelm. 1189 m., Source: GeoLocate, Georef'd by John Haskins U.S.A., CALIFORNIA, PLUMAS COUNTY: One of the five localities in which the species is About 100 yards west of the Pacific Crest Trail found in Denmark. on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Benjamin Øllgaard 180 Elev. 6708 ft. with Peder Pedersen 39° 28' 57.1" N, 121° 12' 43.4" W; T22N, R10E, northwest 1/4 Section 24; Source: 20 Aug 1965 Specimen Label Growing on mud, in water 2-3 inches deep, WTU-228611, WTU-V-042913 small pond. Red Fir Forest. Normal size plants. Common. Origin: Native. Lowell Ahart 21320 Isoetaceae 30 Aug 2016 Isoetes tuckermanii A. Braun ex Engelm. WTU-418013, WTU-V-039923 U.S.A., MASSACHUSETTS COUNTY: Near Jerry's Pond, West Tisbury. 41.381224°, -70.674472°; WGS 84, uncertainty: 5000 m., Source: GeoLocate, Georef'd by John Haskins Phenology: Spores. Origin: Native. F. C. Seymour 1017 24 Aug 1916 WTU-31273, WTU-V-042917 Isoetaceae Isoetaceae Isoetes tuckermanii A. Braun var. borealis A.A. Eaton Isoetes tenella Léman U.S.A., NEW HAMPSHIRE, ROCKINGHAM CANADA, QUEBEC: COUNTY: Great Whate River: near Sandy Point. Lamprey River, Epping. 55.274723°, -77.774311°; WGS 84, 43.038814°, -71.071566°; WGS 84, uncertainty: 10000 m., Source: Digital Map, uncertainty: 3279 m., Source: Digital Map, Georef'd by Dan Post Georef'd by John Haskins Associated with Ranunculus reptans. Origin: Clay soil. Phenology: Spores. Native. A. A. Eaton s.n. W. Baldwin 51 with I. Hustich, J. Kucyniak, R. Tuomikoski 16 Sep 1899 21 Aug 1947 WTU-13574JWT, WTU-V-042919 WTU-188951, WTU-V-043996 Isoetaceae Isoetes velata A. Braun Isoetaceae FRANCE, CORSICA: Isoetes tenella Léman Entre Bonifacio et Porto-Vecchio 41.487599°, 9.240082°; WGS 84, uncertainty: CANADA, ONTARIO: 10000 m., Source: Digital Map, Georef'd by Surprise Lake, Sibley Tp., Thunder Bay District. John Haskins 48° 20' N, 88° 50' W; Source: Specimen Marais desséché Label J. Stefani s.n. T. M. C Taylor 174 Jul 1901 2 Sep 1936 WTU-160005, WTU-V-042921 WTU-137154, WTU-V-043998

Isoetaceae Isoetes Isoetaceae COSTA RICA, HEREDIA: Isoetes howellii Engelm. Volcan Poas. 10.197769°, -84.230684°; uncertainty: 1500 U.S.A., CALIFORNIA, MADERA COUNTY: m., Source: Digital map, Georef'd by John 5 miles from Raymond on road to Coarse Gold. Haskins 37.235757°, -119.823041°; WGS 84, Shores of shallow volcanic lake on summit. uncertainty: 1500 m., Source: Digital Map, Found in sand and in water. Shoreline plants Georef'd by Dan Post were Cares spp., Eupatorium, Ericaceae. Up to Origin: Native. 60 cm. tall. [Leaf material removed by Caroline Strömberg, winter 2010, to study epidermis.] Alice Eastwood 5457 Phenology: Spores. with John Thomas Howell Melinda Denton 1248 5 May 1938 19 Aug 1966 WTU-50336, WTU-V-043915 WTU-262800, WTU-V-042923 Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes U.S.A., CALIFORNIA, MERCED COUNTY: CANADA, NEW BRUNSWICK, WHATCOM: Flying M Ranch ca 10 air miles NE of Merced; Lac Baker: small bay east of Grande Isle. pool along streamlet cutting through low bluffs 47.358166°, -68.669414°; WGS 84, SE of pools on Burns Creek. uncertainty: 3036 m., Source: Digital Map, Elev. 310 ft. Georef'd by John Haskins T6S R15E Sec 24 SWNE; WGS 84, Phenology: Spores. uncertainty: 1500 m., Source: Digital Map, Georef'd by Dan Post M. O. Malte 824 Local at edge of water. Origin: Native. with W. R. Watson Barbara Ertter 8263 12 Aug 1927 with Travis Columbus, Holly Forbes WTU-129294, WTU-V-042925 22 Apr 1989 WTU-318533, WTU-V-043916 Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes howellii Engelm. U.S.A., CALIFORNIA, BUTTE COUNTY: U.S.A., CALIFORNIA, HUMBOLDT COUNTY: Chico-Oroville road. Larrabee Creek, near Bosworth's. 39.621755°, -121.693688°; WGS 84, Elev. 1500 ft. uncertainty: 15000 m., Source: Digital Map, 40.353303°, -123.720436°; WGS 84, Georef'd by Dan Post uncertainty: 1500 m., Source: Digital Map, Origin: Native. Georef'd by Dan Post In bed of dried-up pool. Origin: Native. A. A. Heller 13936 Joseph P. Tracy 8746 3 May 1926 15 Jun 1930 WTU-87920, WTU-V-043917 WTU-205189, WTU-V-043943

Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes howellii Engelm. U.S.A., CALIFORNIA, BUTTE COUNTY: Peter Ahart Ranch ca 2 1/2 mi NNE of Honcut U.S.A., CALIFORNIA, SHASTA COUNTY: between Oroville and Marysville dry ditches in In mud along stream between Project and oatfield near ponds. Redding. Elev. 100 ft. 40.58654°, -122.391675°; WGS 84, T17N R4E Sec 4, NE 1/4; WGS 84, uncertainty: 13729 m., Source: GeoLocate, uncertainty: 1500 m., Source: GeoLocate, Georef'd by Dan Post Georef'd by Dan Post Origin: Native. Valley Grassland. Sunny bare muddy bank of heavy clay. Large, leaves stiffly erect. Origin: C. L. Hitchcock 19616 Native. 25 Jun 1952 Barbara Ertter 3288 with Jeff Strachan, Lowell Ahart WTU-156820, WTU-V-043944 7 May 1980 WTU-285366, WTU-V-043941 Isoetaceae Isoetes howellii Engelm. Isoetaceae U.S.A., CALIFORNIA, MARIN COUNTY: Lake Lagunitas. Isoetes howellii Engelm. 37.945786°, -122.596287°; WGS 84, uncertainty: 500 m., Source: Digital Map, U.S.A., CALIFORNIA, DEL NORTE COUNTY: Georef'd by Dan Post In marsh, Darlingtonia, Smith River. A small form. Origin: Native. Elev. 400 ft. 41.836224°, -123.94313°; WGS 84, H. E. Parks s.n. uncertainty: 1500 m., Source: GeoLocate, Georef'd by Dan Post 18 Sep 1925 Origin: Native. WTU-206JWT, WTU-V-043945 H. E. Parks 24137 with S. T. Parks Jun 1938 Isoetaceae WTU-212327, WTU-V-043942 Isoetes howellii Engelm. ? U.S.A., CALIFORNIA, SAN BERNARDINO COUNTY: Bluff Lake, San Bernardino Mts. Elev. 7400 ft. 34.220321°, -116.968961°; WGS 84, uncertainty: 500 m., Source: Digital Map, Georef'd by Dan Post Dried pool. Origin: Native. Philip A. Munz 10672 13 Jul 1926 WTU-162763, WTU-V-043946 Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes bolanderi Engelm. × Isoetes echinospora Dur. U.S.A., CALIFORNIA, SAN BERNARDINO U.S.A., WYOMING, TETON COUNTY: COUNTY: Partly submerged in Jenny Lake, Teton Nat. Bear Valley, San Bernardino Mts. Park. 34.265198°, -116.843256°; WGS 84, 43.765551°, -110.730487°; WGS 84, uncertainty: 10000 m., Source: Digital Map, uncertainty: 1500 m., Source: Digital Map, Georef'd by Dan Post Georef'd by Dan Post Submerged in shallow water. Origin: Native. Origin: Native. S. B. Parish 1440 J. William Thompson 14168 with W. F. Parish 13 Aug 1937 Aug 1882 WTU-56072, WTU-V-043951 WTU-146798, WTU-V-043947

Isoetaceae Isoetaceae Isoetes engelmannii A. Braun Isoetes engelmannii A. Braun U.S.A., VIRGINIA, GILES COUNTY: Salt Pond Mountain. U.S.A., NORTH CAROLINA, ASHE COUNTY: 37.408459°, -80.494504°; WGS 84, Pool near jct. of US 221 & NC 88, E of uncertainty: 1500 m., Source: GeoLocate, Jefferson. Georef'd by Dan Post 36.421314°, -81.460494°; WGS 84, Moist ground. Origin: Native. uncertainty: 500 m., Source: Digital Map, Georef'd by Dan Post Wm. M. Canby s.n. Origin: Native. Aug 1890 J. R. Bozeman 45227 with R. C. Clark, S. A. Spongberg, A. E. Radford WTU-124647, WTU-V-043948 17 Sep 1966 WTU-227693, WTU-V-043952 Isoetaceae Isoetes engelmannii A. Braun Isoetaceae U.S.A., NEW JERSEY, SUSSEX COUNTY: Isoetes bolanderi Engelm. × Isoetes echinospora Dur. South end of Lake Wawayonda. 41.174253°, -74.438657°; WGS 84, U.S.A., WYOMING, TETON COUNTY: uncertainty: 500 m., Source: Digital Map, Partly submerged in Jenny Lake, Teton Nat. Georef'd by Dan Post Park Origin: Native. 43.763989°, -110.730139°; WGS 84, uncertainty: 1500 m., Source: GeoLocate, Edgar T. Wherry s.n. Georef'd by Dan Post Origin: Native. 7 Aug 1938 J. William Thompson 14168 WTU-103117, WTU-V-043949 13 Aug 1937 WTU-9967JWT, WTU-V-043954 Isoetaceae Isoetes engelmannii A. Braun Isoetaceae U.S.A., PENNSYLVANIA, MONROE COUNTY: Pond near the Hotel - Delaware Water Gap, Pa. Isoetes tenella Léman 40.977446°, -75.135254°; WGS 84, uncertainty: 1500 m., Source: Digital Map, U.S.A., NEW YORK, NASSAU COUNTY: Georef'd by Dan Post Inlet to Timber Lake: Wantagh. Origin: Native. 40.683712°, -73.510126°; WGS 84, uncertainty: 3610 m., Source: GeoLocate, Thos. C. Porter s.n. Georef'd by Dan Post with Easton, PA. Submerged in 2 feet of swift cold water. Origin: Native. 25 Jul 1886 W. C. Muenscher s.n. WTU-81132, WTU-V-043950 with O. F. Curtis, Jr. 5 Sep 1938 WTU-163573, WTU-V-043956 Isoetaceae Isoetaceae Isoetes tenella Léman Isoetes ×eatonii R. Dodge U.S.A., MAINE, AROOSTOOK COUNTY: U.S.A., NEW JERSEY, SUSSEX COUNTY: Shallow water near boat launch, Black Lake, Morris Pond, 2 miles NE of Sparta. South Perley Brook Road, town of Fort Kent. 41.047772°, -74.606434°; WGS 84, Elev. 745 ft. uncertainty: 500 m., Source: Digital Map, 47.212984°, -68.464787°; WGS 84, Georef'd by Dan Post uncertainty: 500 m., Source: Digital Map, Submerged 3 ft. Origin: Native. Georef'd by Dan Post With Potamogeton spirillus. Origin: Native. George R. Proctor 2521 P. F. Zika 13919 13 Oct 1946 with C. B. Hellquist WTU-113475, WTU-V-043962 20 Jul 1999 WTU-339259, WTU-V-043957 Isoetaceae Isoetes bolanderi Engelm. × Isoetes occidentalis Hend. Isoetaceae U.S.A., CALIFORNIA, EL DORADO COUNTY: Isoetes tenella Léman Upper Angora Lake. 38.866269°, -120.065167°; WGS 84, U.S.A., MAINE, WASHINGTON COUNTY: uncertainty: 300 m., Source: Digital Map, At margin of Lambert Lake. Georef'd by Dan Post 45.551577°, -67.558037°; WGS 84, Submerged about 3 ft. Origin: Native. uncertainty: 2000 m., Source: Digital Map, Georef'd by Dan Post John Thomas Howell 22904 Submersed or emersed at low water, granitic gravel and silt. Origin: Native. 30 Aug 1946 M. L. Fernald 105 WTU-130127, WTU-V-043963 1 Sep 1908 WTU-123957, WTU-V-043958 Isoetaceae Isoetes bolanderi Engelm. × Isoetes occidentalis Hend. Isoetaceae U.S.A., CALIFORNIA, SIERRA COUNTY: Isoetes tenella Léman Submerged in bottom of Sand Lake, just east of Sierra Buttes. Tahoe N.F. U.S.A., MAINE, HANCOCK COUNTY: Elev. 6500 ft. SE shore of Graham Lake, Rte 179, 0.7 miles S 39.616739°, -120.621783°; WGS 84, of town line, town of Ellsworth. uncertainty: 200 m., Source: Digital Map, Elev. 102 ft. Georef'd by Dan Post 44° 36' N, 68° 25' W; Source: Specimen Origin: Native. Label Exposed sandy & mucky shores and in shallow A. R. Kruckeberg 3671 water, with Juncus pelocarpus, Sagittaria graminea, Lindernia dubia. Origin: Native. 1 Aug 1954 P. F. Zika 13929A WTU-191145, WTU-V-043964 with C. B. Hellquist 21 Jul 1999 WTU-339277, WTU-V-043959 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., NEVADA, ELKO COUNTY: Isoetes tenella Léman Shallow ponds below Lamoille Lake, Ruby Range. U.S.A., MASSACHUSETTS, MIDDLESEX Elev. 9500 ft. COUNTY: 40.592557°, -115.389538°; WGS 84, Bedford. uncertainty: 587 m., Source: Digital Map, 42.49065°, -71.276169°; WGS 84, Georef'd by Dan Post uncertainty: 3036 m., Source: GeoLocate, Abundant. Origin: Native. Georef'd by Dan Post Origin: Native. Bassett Maguire 22682 with A.H. Holmgren C. W. Jenks s.n. with C. W. Swan 19 Aug 1943 25 Aug 1884 WTU-73794, WTU-V-043965 WTU-124646, WTU-V-043960 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., WYOMING, CARBON COUNTY: U.S.A., WYOMING, SUBLETTE COUNTY: On the bottom of Phantom Lake, Medicine Bow Vicinity of Horseshoe Lake, western slope of Mts. near Gold Hill. Wind River Range southeast of Pinedale. Elev. 9500 ft. Elev. 9000 ft. 41.357021°, -106.395788°; WGS 84, 42.930888°, -109.581907°; WGS 84, uncertainty: 200 m., Source: Digital Map, uncertainty: 1500 m., Source: Digital Map, Georef'd by Dan Post Georef'd by Dan Post In 2-10 ft. of clear cold water. Origin: Native. Submerged in small ponds. Origin: Native. C. L. Porter 6392 C. L. Porter 6105 with B. F. Miller 9 Aug 1953 30 Jul 1952 WTU-149866, WTU-V-043967 WTU-147871, WTU-V-043970

Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., COLORADO COUNTY: New road over Park Range. U.S.A., COLORADO, BOULDER COUNTY: Elev. 10000 ft. Ward. 40.549876°, -106.722383°; WGS 84, Elev. 2500 m. uncertainty: 20000 m., Source: Digital Map, 40.072208°, -105.508332°; WGS 84, Georef'd by Dan Post uncertainty: 1500 m., Source: GeoLocate, ? spores ± 325 ?, low rugose ridged, ridges Georef'd by Dan Post short and anastomosing. T.M.C. Taylor 8/63. Submerged on coarse granite bottom. Origin: Origin: Native. Native. C. L. Shear 3438 H. M. Schmoll 3986 1 Aug 1898 11 Sep 1921 WTU-140939, WTU-V-043968 WTU-61926, WTU-V-043971

Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., COLORADO, BOULDER COUNTY: U.S.A., WYOMING, CARBON COUNTY: Gravelly bottom of shallow pond just west of Medicine Bow Range, Silver Lake. Glacier Lake, 7 mi. w. of Nederland. Elev. 10000 ft. Elev. 9000 ft. 41.309137°, -106.356964°; WGS 84, 39.961301°, -105.643201°; WGS 84, uncertainty: 400 m., Source: GeoLocate, uncertainty: 10000 m., Source: GeoLocate, Georef'd by Dan Post Georef'd by Dan Post Forming scattered colonies on the marly bottom Origin: Native. in 2-5 ft. of clear water. W. A. Weber 5054 C. L. Porter 6813 21 Aug 1949 4 Aug 1955 WTU-126943, WTU-V-043969 WTU-163194, WTU-V-043972 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., ARIZONA, APACHE COUNTY: U.S.A., CALIFORNIA, MONO COUNTY: Luka-Chukai Mountains. In standing water near Greenstone Lake, 1/8 Elev. 2760 m. miles above Saddlebag Lake, Inyo N.F. 36.486121°, -109.202209°; WGS 84, Elev. 10500 ft. uncertainty: 10000 m., Source: Digital Map, 37.97972°, -119.290574°; WGS 84, Georef'd by Dan Post uncertainty: 325 m., Source: GeoLocate, In shallow water of lake. Origin: Native. Georef'd by Dan Post Blue- and white-flowered plants in colony. George J. Goodman 2936 Origin: Native. with Lois Butler Payson A. R. Kruckeberg 3540 6 Jul 1936 24 Jul 1954 WTU-56663, WTU-V-043973 WTU-189614, WTU-V-043976

Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., CALIFORNIA, MODOC COUNTY: In lily pond in flat above Mineral Spr. 1 mi SW U.S.A., CALIFORNIA, FRESNO COUNTY: top of grade bet. New Pine Creek and Fort Vidette Meadow, Bubbs Creek, Sierra Nevada, Bidwell. southeastern Fresno County. Elev. 7500 ft. Elev. 9500 ft. 41.912506°, -120.247664°; WGS 84, 36.755213°, -118.404264°; WGS 84, uncertainty: 200 m., Source: Digital Map, uncertainty: 301 m., Source: GeoLocate, Georef'd by Dan Post Georef'd by Dan Post Plants in soft mud in shallow water, pond in Growing in shallow pool and adjacent mud with Lodgepole pine woods. Origin: Native. Eleocharis. Origin: Native. Annie M. Alexander 5624 Philip A. Munz 12634 with Louise Kellogg 30 Jul 1948 21 Sep 1948 WTU-136443, WTU-V-043977 WTU-138248, WTU-V-043974

Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., CALIFORNIA, MADERA COUNTY: U.S.A., CALIFORNIA, SIERRA COUNTY: On Volcanic Ridge SE of Lake Ediza. In shallow water of Tamarack Lake, 2 mi. E of Elev. 9600 ft. Sierra Buttes. Tahoe N.F. 37.682032°, -119.159787°; WGS 84, Elev. 7500 ft. uncertainty: 1500 m., Source: Digital Map, 39.607975°, -120.656262°; WGS 84, Georef'd by Dan Post uncertainty: 100 m., Source: Digital Map, Submerged in 6 in. pothole water. Origin: Georef'd by Dan Post Native. Pinus montico Abies magnifica forest type. Origin: Native. Peter H. Raven 3387 A. R. Kruckeberg 3677 13 Jul 1951 2 Aug 1954 WTU-157690, WTU-V-043978 WTU-189615, WTU-V-043975 Isoetaceae Isoetes bolanderi Engelm. U.S.A., NEVADA, ELKO COUNTY: In pools above Island Lake, Ruby Mts. Elev. 10200 ft. 40.616708°, -115.387362°; WGS 84, uncertainty: 1500 m., Source: Digital Map, Georef'd by Dan Post Origin: Native. P. A. Munz 16282 31 Jul 1940 WTU-86649, WTU-V-043979 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes tenella Léman U.S.A., CALIFORNIA, FRESNO COUNTY: NORWAY: Glaciated Twin Lakes area, n. Kaiser Ridge - w. Akershus, Asker Ld.: Sandungus [illegible] Potter Pass. Over 1/2 m. e. of 10,300' Kaiser 59.833333°, 10.433333°; WGS 84, Pk., on steep trail from George L. past College uncertainty: 10000 m., Source: GeoLocate, L. to Campfire L. - between 10,100' n-s sect. of Georef'd by Dan Post cliff of Kaiser Ridge and parallel 9900' outlier to e. Isoetes in sparse bottom cover in Campfire L. Joh. Dyring s.n. Also on lower lakes. Elev. 9650 ft. 12 Sep 1894 37.296056°, -119.178651°; WGS 84, uncertainty: 100 m., Source: Digital Map, WTU-34193, WTU-V-043953 Georef'd by Dan Post Pinus murrayana, P. monticola frequent (especially on cliffs), Abies magnifica occasional up to College L. (9400'?), Tsugas frequent in favored spots, P. albicaulis on crests. Origin: Isoetaceae Native. Isoetes tenella Léman Chas. H. Quibell 1218 20 Aug 1952 FINLAND, LAPLAND: WTU-157985, WTU-V-043980 Muonio. 67.954154°, 23.683231°; WGS 84, uncertainty: 10000 m., Source: Digital Map, Isoetaceae Georef'd by Dan Post Isoetes bolanderi Engelm. J. Montell s.n. U.S.A., NEVADA, ELKO COUNTY: 31 Aug 1925 Lamoille Lakes, Ruby Mts. Elev. 9500 ft. WTU-5387JWT, WTU-V-043955 40.592753°, -115.394473°; WGS 84, uncertainty: 200 m., Source: GeoLocate, Georef'd by Dan Post Drying pond. Origin: Native. Isoetaceae P. A. Munz 16258 Isoetes durieui Bory 29 Jul 1940 FRANCE: WTU-69016, WTU-V-043981 Le long du Saint Daumas de part et d'autre de la route du Cannet à La Garde-Freynet. 43.326788°, 6.403727°; WGS 84, uncertainty: 1500 m., Source: Digital Map, Georef'd by Isoetaceae John Haskins Origin: Native. Isoetes japonica A. Braun J. Bouchard 773 JAPAN, TOKYO: with J. Callé Haramachida. 35.542598°, 139.445107°; WGS 84, 15 Feb 1949 uncertainty: 1500 m., Source: Digital Map, Georef'd by Dan Post WTU-136643, WTU-V-043961 Shigetaka Suzuki s.n. 11 Jun 1951 Isoetaceae WTU-138366, WTU-V-043918 Isoetes bolanderi Engelm. U.S.A., NEVADA, HUMBOLDT COUNTY: Santa Rosa Range, vicinity of pond just north of Hinkey Summit. Elev. 7900 ft. T44N R39E Sec. 23; WGS 84, uncertainty: 1500 m., Source: Digital Map, Georef'd by Dan Post Common in bottom of pond. Origin: Native. Noel H. Holmgren 4550 with Patricia K. Holmgren 21 Jul 1970 WTU-268252, WTU-V-043966 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes bolanderi Engelm. U.S.A., COLORADO, LARIMER COUNTY: U.S.A., CALIFORNIA, TULARE COUNTY: Abundant in shallow embayment of Dream Near first lake, Center Basin, Sierra Nevada, Lake, Rocky Mt. Nat. Park. northeastern Tulare County. Elev. 10000 ft. Elev. 11300 ft. 40.309398°, -105.659048°; WGS 84, 36.723546°, -118.349818°; WGS 84, uncertainty: 200 m., Source: GeoLocate, uncertainty: 1500 m., Source: GeoLocate, Georef'd by Dan Post Georef'd by Dan Post Common on mud flat at upper end of lake, W. A. Weber 8651 growing with Sparganium. Origin: Native. 5 Sep 1953 Philip A. Munz 12558 WTU-152616, WTU-V-043982 26 Jul 1948 WTU-140454, WTU-V-043985 Isoetaceae Isoetes bolanderi Engelm. Isoetaceae U.S.A., NEVADA, WASHOE COUNTY: Isoetes bolanderi Engelm. 3 mi. south of Mt. Rose. Elev. 8500 ft. U.S.A., UTAH, SALT LAKE COUNTY: 39.300311°, -119.917136°; WGS 84, Mud bottom of Lake Martha, 2 mi. S. Brighton. uncertainty: 1500 m., Source: GeoLocate, Elev. 9600 ft. Georef'd by Dan Post 40.585387°, -111.591953°; WGS 84, Emersed in shallow lake. Megospores wrinkled uncertainty: 100 m., Source: GeoLocate, but not tuberculate. Origin: Native. Georef'd by Dan Post Shallow water. Common. Origin: Native. C. L. Hitchcock 5543 with J. S. Martin Bassett Maguire 17412 29 Jul 1939 7 Aug 1939 WTU-53844, WTU-V-043983 WTU-69824, WTU-V-043986

Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes butleri Engelm. U.S.A., NEVADA, HUMBOLDT COUNTY: U.S.A., OKLAHOMA, JOHNSTON COUNTY: Pine Forest Range, Leonard Creek Drainage. Devil's Den, 4.6 mi. NW of Tishomingo. Submerged around margins of lake just east of 34.281631°, -96.70116°; WGS 84, Duffer Peak. uncertainty: 200 m., Source: Digital Map, Elev. 8100 ft. Georef'd by Dan Post T43N R28E; WGS 84, uncertainty: 10000 m., Rain-filled pool on granitic bedrock, sandy Source: GeoLocate, Georef'd by Dan Post bottom, water 3 to 8 inches deep, pH 7.6. Origin: Native. Origin: Native. Noel H. Holmgren 1708 John R. Crutchfield 2874 with James L. Reveal 27 May 1967 20 Aug 1964 WTU-286568, WTU-V-043987 WTU-226605, WTU-V-043984 Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes tenella Léman U.S.A., CALIFORNIA, MODOC COUNTY: U.S.A., MASSACHUSETTS, ESSEX COUNTY: Little Lily Lake, 4.5 air miles SE of town of New Lake Attitash, Amesbury. Pine Creek, Warner Mountains, Modoc National 42.84936°, -70.981217°; WGS 84, Forest. uncertainty: 1000 m., Source: GeoLocate, Elev. 7400 ft. Georef'd by Dan Post T47N R15E S11 NE¼ of SW¼; WGS 84, Muddy flats, mostly submerged. Origin: Native. uncertainty: 500 m., Source: Digital Map, Georef'd by Dan Post A. A. Eaton s.n. Abundant submerged aquatic, with Sagitarria cuneata, Callitriche, Eleocharis acicularis. 8 Sep 1899 Origin: Native. WTU-23215JWT, WTU-V-043992 P. Zika 13298 9 Aug 1997 Isoetaceae WTU-368365, WTU-V-043988 Isoetes tenella Léman CANADA, NEW BRUNSWICK, WHATCOM: Isoetaceae Lac Baker: NW side of lake. 47.362875°, -68.6907°; WGS 84, uncertainty: Isoetes tenella Léman 3036 m., Source: Digital Map, Georef'd by Dan Post U.S.A., VERMONT, ADDISON COUNTY: Origin: Native. Near the shore of Lake Dunmore, Leicester and Salisbury. M. O. Malte 757 Elev. 570 ft. with W. R. Watson 43.90283°, -73.074584°; WGS 84, uncertainty: 3000 m., Source: Digital Map, 7 Aug 1927 Georef'd by Dan Post Origin: Native. WTU-129295, WTU-V-043993 D. Lewis Dutton s.n. 4 Jul 1923 Isoetaceae WTU-31274, WTU-V-043989 Isoetes tenella Léman U.S.A., MASSACHUSETTS, HAMPSHIRE COUNTY: Isoetaceae Pond, North Amherst. 42.41198°, -72.527843°; WGS 84, Isoetes butleri Engelm. uncertainty: 1500 m., Source: Digital Map, Georef'd by Dan Post U.S.A., MISSOURI, TANEY COUNTY: Origin: Native. Gray Summit. 38.488008°, -90.81541°; WGS 84, H. G. Jesup s.n. uncertainty: 10000 m., Source: Digital Map, Georef'd by Dan Post Sep 1875 Rocky glades. Origin: Native. WTU-146088, WTU-V-043995 F. Comte 5411 7 May 1966 Isoetaceae WTU-321500, WTU-V-043990 Isoetes asiatica (Makino) Makino RUSSIA: Kamchatskiy region, Olyoutorskiy district, Isoetaceae vicinity of village Achayvayam, to SE of mountain Kachkynoy (1195 m), plateau, little Isoetes tenella Léman lake. Elev. 450 m. CANADA, ONTARIO: 61.020617°, 170.535257°; WGS 84, Sawpit Bay uncertainty: 10000 m., Source: GeoLocate, 47° N, 84° 45' W; Source: Specimen Label Georef'd by Dan Post Emersed at edge of muddy pond. Rare. T. M. C Taylor 66 S. Kharkevich 14 with R. C. Hosie, R. E. Fitzpatrick, S. T. Losee, with T Buch A. Leslie 29 Aug 1974 21 Aug 1935 WTU-336996, WTU-V-043997 WTU-121473, WTU-V-043991 Isoetaceae Isoetaceae Isoetes lacustris L. Isoetes lacustris L. GREENLAND, S. GREENLAND: DENMARK, MIDTJYLLAND: S. Greenland: Pamiagdluk, Spongilla Sø Hampen Sø, S. of Silkeborg. [Spongilla Lake]. 56.018004°, 9.391745°; WGS 84, uncertainty: 59° 57' N, 44° 21' W; Source: Specimen 1000 m., Source: Digital Map, Georef'd by Label John Haskins Under 0.5-1.5 m of water with Myriophyllum Oligotrophic lake with Lobelia dortmanna, alterniflorum (sterile) and Callitriche hamulata. Littorella uniflora, Heleocharis palustris, etc. P4 [Pencil on sheet.] C/C [Stamp on label.] Kai Larsen 164 Niels Jacobsen 502 with Peder Pedersen 9 Aug 1970 19 Aug 1965 WTU-372036, WTU-V-042969, V196991 WTU-225978, WTU-V-042965 Herbarium University of B. C. DUPLICATE Isoetaceae Isoetaceae Isoetes lacustris L. ? Isoetes lithophila N. Pfeiff. U.S.A., MAINE, WASHINGTON COUNTY: Center of W shore of Beddington Lake. Town of U.S.A., TEXAS, LLANO COUNTY: Beddington. Enchanted Rock. Elev. 256 g 30.506579°, -98.81893°; WGS 84, 44° 49' N, 68° 3' W; Source: Specimen Label uncertainty: 1807 m., Source: GeoLocate, In 30 cm of water. With Dulichium, Eriocaulon. Georef'd by John Haskins Acidic water. Leaves olive green, stiff, recurved. Phenology: Fertile. P4 [Pencil on sheet.] Phenology: Fertile. Origin: Native. Eula Whitehouse s.n. P. F. Zika 13960 30 Apr 1938 with C. B. Hellquist WTU-174736, WTU-V-042964 23 Jul 1999 WTU-339925, WTU-V-042968 Isoetaceae Isoetes lacustris L. Isoetaceae FINLAND, LAPLAND: Isoetes lacustris L. Kuusamo. Posio. Livojärvi. Hirsiniemi opposite to farm Varanka. 66°00'N. U.S.A., MAINE, PENOBSCOT COUNTY: 66° N, ; WGS 84, uncertainty: 1000 m., Gould Landing, S end of Pushaw Lake, Source: Digital Map, Georef'd by John Hemlock Point Rd, NW end of town of Orono. Haskins, Placed "opposite" Uusi Varanka. Elev. 115 ft. Sandy bottom, 1-2 m deep clear water. 44° 54' N, 68° 47' W; Source: Specimen Abundant. Label In two feet of water, with Potamogeton Tauno Ulvinen s.n. zosteriformis, Utricularia purpurea, Eriocaulon. Acidic water. Phenology: Fertile. Origin: Native. 29 Jun 1970 P. F. Zika 13959 WTU-256816, WTU-V-042963 with C. B. Hellquist 22 Jul 1999 Isoetaceae WTU-339764, WTU-V-042967 Isoetes lacustris L. U.S.A., NEW JERSEY, SUSSEX COUNTY: Isoetaceae [locality and coordinates withheld; status in New Jersey: E (Endangered; USDA Plants)] Isoetes lacustris L. Origin: Native. FINLAND, KEMI LAPLAND: Edgar T. Wherry s.n. Lapponia Kemensis: Muonio; In lacu Särkijärvi. 7 Aug 1938 68°; WGS 84, uncertainty: 2000 m., Source: Digital Map, Georef'd by John Haskins WTU-103116, WTU-V-042962 Poisoned [Stamp on sheet.] Phenology: Fertile. Ivstvs Montell s.n. 31 Aug 1915 WTU-5437JWT, WTU-V-042966 Isoetaceae Isoetaceae Isoetes lithophila N. Pfeiff. Isoetes lacustris L. U.S.A., TEXAS COUNTY: U.S.A., WISCONSIN, SAUK COUNTY: 'Enchanted Rock' north of Fredericksburg, Sumpter. Wisconsin River drainage system. At Texas. the south end of Devil's Lake. 30.506579°, -98.81893°; WGS 84, T11N, R6E, Sec. 25 NE¼.; WGS 84, uncertainty: 1807 m., Source: GeoLocate, uncertainty: 1000 m., Source: Digital Map, Georef'd by John Haskins Georef'd by John Haskins Growing in pools on granite outcrop. Origin: Small aquatic plant collected from lake bottom Native. at a 9' to 15' depth. Phenology: Fertile. Origin: Native. FMC s.n. Emil P. Kruschke K-157 12 Apr 1930 7 Aug 1940 WTU-31298, WTU-V-042961 WTU-85171, WTU-V-042958 Isoetaceae Isoetes lacustris L. Isoetaceae U.S.A., MAINE, PENOBSCOT COUNTY: Isoetes lacustris L. Pushaw Pond, Orono. 44.958483°, -68.856496°; WGS 84, CANADA, QUEBEC: uncertainty: 10500 m., Source: Digital Map, Lac Kawehouskat. [Lac Kausseskait.] Georef'd by John Haskins, [Syntype 55° 5' N, ; WGS 84, uncertainty: 15000 m., MICH1191333 has "Pushaw Pond, Old Source: Digital Map, Georef'd by John Town." Mapped location includes Pushaw Haskins Lake and Little Pushaw Pond. "Pushaw Pond" Dans le lac. (-prés de l'endroit où a été prise la is elusive.] photo XVI-7) Origin: Native. Growing in 18 inches of water. Type locality. Phenology: Fertile. Origin: Native. Jacques Rousseau 120 O. W. Knight s.n. 18 Jul 1947 17 Sep 1905 WTU-143545, WTU-V-042957 WTU-185288, WTU-V-042960 Isoetaceae Isoetaceae J. Gay & Durieu ex Durieu Isoetes tuckermanii A. Braun ex Engelm. U.S.A., ILLINOIS, STARK COUNTY: Near Wady Petra. U.S.A., MASSACHUSETTS, BARNSTABLE 40.981196°, -89.74003°; WGS 84, COUNTY: uncertainty: 972 m., Source: Digital Map, Shawme Lake, Sandwich, Massachusetts. Georef'd by John Haskins, 41.75149°, -70.501092°; WGS 84, http://www.historicmapworks.com/Map/US/47 uncertainty: 1000 m., Source: Digital Map, 1911/Valley+Township++Wady+Petra+PO/St Georef'd by John Haskins ark+County+1873/Illinois/ Forming a dense turf in shallow water. Origin: Drying bed of prairie pond. Origin: Native. Native. Virginius H. Chase 136 M. L. Fernald 406 with H. K. Svenson 26 Jul 1898 6 Aug 1928 WTU-201551, WTU-V-042956 WTU-61349, WTU-V-042959 Isoetaceae Isoetes melanopoda J. Gay & Durieu ex Durieu U.S.A., ILLINOIS, PIATT COUNTY: Along railroad, northwest of Monticello. 40.028896°, -88.590178°; WGS 84, uncertainty: 10000 m., Source: Digital Map, Georef'd by John Haskins Dried-up swamp. Origin: Native. H. E. Ahles 7389 9 Jun 1953 WTU-165454, WTU-V-042955 Isoetaceae Isoetaceae Isoetes melanopoda J. Gay & Durieu ex Durieu Isoetes melanopoda J. Gay & Durieu ex Durieu U.S.A., TEXAS, BASTROP COUNTY: U.S.A., TEXAS, RED RIVER COUNTY: Bastrop, Texas. About 13 miles north of Clarksville. 30.110495°, -97.31527°; WGS 84, 33.79886°, -95.050232°; WGS 84, uncertainty: 10000 m., Source: GeoLocate, uncertainty: 3000 m., Source: Digital Map, Georef'd by John Haskins Georef'd by John Haskins Partially submerged in shallow pond. Origin: In open flat woods where ponds are formed. In Native. mud of pools. P5 [Pencil on sheet.] Origin: Native. FMC s.n. D. S. Correll 27300 7 May 1930 17 Apr 1963 WTU-31297, WTU-V-042954 WTU-285203, WTU-V-042950

Isoetaceae Isoetaceae Isoetes howellii Engelm. Isoetes melanopoda J. Gay & Durieu ex Durieu U.S.A., CALIFORNIA, MARIN COUNTY: U.S.A., TEXAS, FANNIN COUNTY: Lake Lagunitas. Along Rte. 273, about 3 mi. west of Monkstown. 37.946124°, -122.595128°; WGS 84, 33.79449°, -95.979994°; WGS 84, uncertainty: 500 m., Source: Digital Map, uncertainty: 1500 m., Source: Digital Map, Georef'd by John Haskins Georef'd by John Haskins Origin: Native. In open swamp woods. Abundant. P5 [Pencil on sheet.] Origin: Native. H. E. Parks s.n. D. S. Correll 37074 18 Sep 1925 25 Apr 1969 WTU-207JWT, WTU-V-042953 WTU-284113, WTU-V-042949

Isoetaceae Isoetaceae Isoetes melanopoda J. Gay & Durieu ex Durieu Isoetes melanopoda J. Gay & Durieu ex Durieu U.S.A., UTAH, CACHE COUNTY: On west side of Highway, Dry Lake, Sardine U.S.A., UTAH, CACHE COUNTY: Canyon, 14 miles south of Logan. Dry Lake along west side of Highway 89. 41.567699°, -111.96679°; WGS 84, 41.567434°, -111.967723°; WGS 84, uncertainty: 1000 m., Source: Digital Map, uncertainty: 587 m., Source: GeoLocate, Georef'd by John Haskins Georef'd by John Haskins Plants amphibious. Locally common in very Terrestrial, common with Marsilea and shallow water and in wet ground. With Eleocharis in moist soil of Dry Lake. (New to Eleocharis. Large plants separate, small ones in Utah!) Origin: Native. clumps. (New to Utah!) Origin: Native. Loran C. Anderson 1312 Stephen S. Tillett 184 9 Jul 1958 1 Jul 1953 WTU-193786, WTU-V-042948 WTU-230733, WTU-V-042952

Isoetaceae Isoetaceae Isoetes melanopoda J. Gay & Durieu ex Durieu Isoetes melanopoda J. Gay & Durieu ex Durieu U.S.A., SOUTH CAROLINA, RICHLAND U.S.A., TEXAS, BASTROP COUNTY: COUNTY: 7 miles west of Bastrop. Harbison forest off U.S. 76, 8 miles north of 30.110442°, -97.432745°; WGS 84, Columbia. uncertainty: 1500 m., Source: GeoLocate, 34.095832°, -81.127918°; WGS 84, Georef'd by John Haskins uncertainty: 2000 m., Source: Digital Map, Wet grassy places, peaty soil, post-oak woods. Georef'd by John Haskins With Marsilea and Heteranthera. Common. Found in a marshy area in a dry upland Pine Origin: Native. forest. Associated species, Fuirena squarrosa, Panicum scoparium, Juncus sp., & Carex sp. Rogers McVaugh 6981 Origin: Native. 26 May 1945 John Logue s.n. WTU-133123, WTU-V-042951 5 Jun 1966 WTU-228909, WTU-V-042947 Isoetaceae Isoetaceae Isoetes nuttallii A. Br. Isoetes nuttallii A. Br. U.S.A., CALIFORNIA, HUMBOLDT COUNTY: U.S.A., CALIFORNIA, BUTTE COUNTY: Miranda. On the north side of a small drainage, about one Elev. 400 ft. mile (air) northwest of the Improved Parking 40.234586°, -123.823646°; WGS 84, Area and Cherokee Road, North Table uncertainty: 1500 m., Source: GeoLocate, Mountain, about 8 miles (air) north of Oroville. Georef'd by John Haskins Elev. 1284 ft. Immersed in muddy streamlet, also emersed in 39° 36' 22.4" N, 121° 33' 1.9" W; T20N R4E adjacent mud. Origin: Native. sec 8 NW 1/4; Source: Specimen Label On damp dark soil. Basalt Grassland. Normal Joseph P. Tracy 17138 size plants. Common. P4 [Pencil on sheet.] Phenology: Fertile. Origin: Native. 15 Jun 1942 Lowell Ahart 19,426-A WTU-205187, WTU-V-042946 2 May 2014 WTU-413584, WTU-V-042942 Isoetaceae Isoetes melanopoda J. Gay & Durieu ex Durieu Isoetaceae U.S.A., UTAH, CACHE COUNTY: In west central portion of Dry Lake. Isoetes nuttallii A. Br. 41.567434°, -111.967723°; WGS 84, uncertainty: 587 m., Source: GeoLocate, U.S.A., CALIFORNIA, MODOC COUNTY: Georef'd by John Haskins About 100 yards east of the Parking Area, about Aquatic, common with Eleocharis, Alisma, and one mile south of the intersection of County Sagittaria in 12" of water. (New to Utah!) Origin: Road 87 and Access Road to Pilot Butte Native. Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Loran C. Anderson 1311 Area. Elev. 4170 ft. 9 Jul 1958 41° 11' 43.9" N, 121° 5' 24.1" W; T39N R8E Sec 29 SE 1/4; Source: Specimen Label WTU-193787, WTU-V-042945 On damp bare black soil. Mountain meadow. Normal size plants. Uncommon, inconspicuous. P4 [Pencil on sheet.] Origin: Native. Isoetaceae Lowell Ahart 20,972 with John Dittes Isoetes nuttallii A. Br. 6 Jun 2016 U.S.A., CALIFORNIA, BUTTE COUNTY: Peter Ahart Ranch ca 2 1/2 mi NNE of Honcut WTU-412386, WTU-V-042941 between Oroville and Marysville. Elev. 100 ft. T17N R4E Sec 4, NE 1/4; WGS 84, Isoetaceae uncertainty: 969 m., Source: Digital Map, Georef'd by John Haskins, From TRS to Isoetes nuttallii A. Br. section. Dry ditches in oat-field near ponds, Valley U.S.A., CALIFORNIA, SAN LUIS OBISPO Grassland. Sunny bare muddy bank of heavy COUNTY: clay. Leaves lax, yellow-green. P5 [Pencil on Between Rocky Butte and Pine Mountain, Santa sheet.] Phenology: Fertile. Origin: Native. Lucia Range. 35.689969°, -121.09436°; WGS 84, Barbara Ertter 3289 uncertainty: 10000 m., Source: GeoLocate, with Jeff Strachan, Lowell Ahart Georef'd by John Haskins In meadow-like opening, damp soil. Origin: 7 May 1980 Native. WTU-285384, WTU-V-042944 R. F. Hoover 7897 7 May 1950 WTU-239267, WTU-V-042940 Isoetaceae Isoetaceae Isoetes nuttallii A. Br. Isoetes riparia Engelm. ex A. Braun U.S.A., CALIFORNIA, MENDOCINO COUNTY: U.S.A., NEW JERSEY, CAMDEN COUNTY: Janish Ranch, Little Lake Valley 2½ miles S.E. Rivershore at Fish House. 39.9742792, of Willits. -75.0646174 39.378677°, -123.318923°; WGS 84, 39.969428°, -75.068994°; WGS 84, uncertainty: 1500 m., Source: Digital Map, uncertainty: 1500 m., Source: Digital Map, Georef'd by John Haskins Georef'd by John Haskins In boggy meadow and small stream. Origin: Origin: Native. Native. W. A. Poyser s.n. Ira L. Wiggins 10,189 with R. S. Ferris 27 Jul 1907 1 May 1942 WTU-123209, WTU-V-042936 WTU-192336, WTU-V-042939 Isoetaceae Isoetaceae Isoetes orcuttii A.A. Eaton Isoetes orcuttii A.A. Eaton U.S.A., CALIFORNIA, SAN DIEGO COUNTY: Camp Kearny, near San Diego. [Present Marine U.S.A., CALIFORNIA, SACRAMENTO Corps Air Station Miramar.] COUNTY: 32.876864°, -117.117164°; WGS 84, Keithly ranch, Rio Linda, Sacramento County. uncertainty: 6000 m., Source: Digital Map, Elev. 100 ft. Georef'd by John Haskins 38.71°, -121.42°; WGS 84, uncertainty: 2000 Found in winter pools in semi-shady and sunny m., Source: Digital map, Georef'd by John locations. Getting very rare. Origin: Native. Haskins Bed of former vernal pool. Origin: Native. F. M. Cota 329 Annetta Carter 471 1932 1 Apr 1934 WTU-5399JWT, WTU-V-042935 WTU-73023, WTU-V-042938 Isoetaceae Isoetaceae Isoetes orcuttii A.A. Eaton Isoetes tenuissima Boreau U.S.A., CALIFORNIA, LASSEN COUNTY: FRANCE, CREUSE: 10 yards west of State Highway 299, Big Valley À Azerables. Mountains, 0.4 mile (air) northeast of Big Valley 46.353705°, 1.47614°; WGS 84, uncertainty: Summit, 5.0 miles (air) southwest of Bieber. 5000 m., Source: Digital Map, Georef'd by Elev. 4585 ft. John Haskins 41° 3' 56.9" N, 121° 12' 25.8" W; T37N, R7E, Etang de la Chaume. (Les échantillons varient northeast 1/4 Section 7.; Source: Specimen suivant leur station à la date de la récolte ; on Label raison de la sécheresse, la plupart croissaient On wet bare soil, on old gopher mounds. Yellow sur la plage exondée, les feuilies appliquées sur Pine forest. Normal size plants. Common. P4 le sol, toutes ou même coté - aucune rosette. La [Pencil on sheet.] Origin: Native. station semble localisée sur une petite partie de la rive sud.) Vidit J. Callé. Origin: Native. Lowell Ahart 21,016 with John Dittes J. Prudhomme 774 7 Jun 2016 22 Aug 1949 WTU-412418, WTU-V-042937 WTU-136642, WTU-V-042915 Isoetaceae Isoetaceae Isoetes riparia Engelm. ex A. Braun Isoetes bolanderi Engelm. U.S.A., NORTH CAROLINA, TYRRELL U.S.A., OREGON, HARNEY COUNTY: COUNTY: Steens Mountain. Alligator River, Fort Landing. Elev. 2700 m. 35.944604°, -76.064087°; WGS 84, 42° 40.5' N, 118° 35.3' W; WGS 84 uncertainty: 3036 m., Source: GeoLocate, North-facing alpine meadows near late-lying Georef'd by John Haskins snowbanks dominated by Deschampsia Shallow water Phenology: Spores. Origin: cespitosa and Juncus mertensianus. In small Native. pond along muddy shoreline; no associates. Origin: Native. S. W. Leonard 2541 with D. B. Russ, Kathleen Case Jessie Johanson 07-53 25 Jun 1969 21 Jul 2007 WTU-252897, WTU-V-042911 WTU-422003, WTU-V-055352 Isoetaceae Isoetes nuttallii A. Br. Isoetaceae U.S.A., CALIFORNIA, MENDOCINO COUNTY: Isoetes nuttallii A. Br. Redwood Valley. 4 miles N. of Calpella. Elev. 850 ft. U.S.A., WASHINGTON, KLICKITAT COUNTY: 39.291485°, -123.203894°; WGS 84, [locality and coordinates withheld; status in Washington: G4?/S2 uncertainty: 1500 m., Source: GeoLocate, (Sensitive; WANHP)] Georef'd by John Haskins Elev. 180 ft. Wet depressions in field. Origin: Native. 20x20m vernal pool, with abundant Lasthenia glaberrima, Alopecurus saccatus, Juncus uncialis, Downingia yina, Joseph P. Tracy 16829 Plagiobothrys sp, Phlox gracilis, Myosurus minimus, Eleocharis sp. Phenology: Flowers. Origin: Native. 3 Apr 1941 Peter Dunwiddie PWD-19-60 10 May 2019 WTU-205188, WTU-V-042943 with Kathryn Beck Herbarium: WTU Isoetaceae Isoetaceae Isoetes bolanderi Engelm. Isoetes nuttallii A. Br. U.S.A., OREGON, BAKER COUNTY: Wallowa-Whitman National Forest: shallows of Anthony Lake near U.S.A., WASHINGTON, KLICKITAT COUNTY: boat launch on southeast side of lake. [locality and coordinates withheld; status in Washington: G4?/S2 Elev. 2180 m. (Sensitive; WANHP)] 44.959151° N, 118.230083° W; WGS 84, uncertainty: 50 m., A small patch with Hordeum marinum var. gussoneanum and Source: GPS Erythranthe nasuta. Phenology: Flowers. Origin: Native. Soft, muddy bottom of shallow lake in ca. 1.5 meter deep water. Leaves abruptly tapered just below tip; plants common on lake Peter Dunwiddie PWD-19-77 11 May 2019 bottom. Phenology: Spores. Origin: Native. with Kathryn Beck Julia Bent 2018-10 14 Jul 2018 Herbarium: WTU Herbarium: WTU Isoetaceae Isoetaceae Isoetes nuttallii A. Br. Isoetes bolanderi Engelm. U.S.A., OREGON, LINN COUNTY: South Santiam Wetland Mitigation Bank. U.S.A., OREGON, HARNEY COUNTY: Elev. 115 m. Fish Lake Campground, Steens Mountain. 42.56416° N, 122.24442° W; Invalid Elev. 7396 ft. coordinates (located outside county bounds). 42° 44.337' N, 118° 38.595' W; WGS 84 Seasonally wet depression, recently excavated; Lake shore. Wet soil and aquatic plants. Plats with Juncus bufonius, Ranunculus found were all detached in flotsam. Origin: orthorhynchus. Native. R. E. Brainerd 2737 Brianne Cohen 2007-02 with Dick Olmstead, Sheila Olmstead 27 Apr 2018 21 Jul 2007 WTU-422205, WTU-V-057769 WTU-422007, WTU-V-055356 Isoetaceae Isoetes tenella Léman U.S.A., OHIO, PORTAGE COUNTY: [locality and coordinates withheld; status in Ohio: PRX (Presumed Extirpated; USDA Plants)] Submerged in 10-20 inches of water. Origin: Native. Lewis S. Hopkins s.n. with Hazel M. Hopkins, Dorothy Dean Hopkins Jun 1913 WTU-5434JWT-A, WTU-V-043994

Isoetaceae Isoetes tenella Léman U.S.A., MASSACHUSETTS, ESSEX COUNTY: Lake Attitash, Amesbury. 42.84936°, -70.981217°; WGS 84, uncertainty: 1500 m., Source: GeoLocate, Georef'd by Dan Post Muddy flats, mostly submerged. Origin: Native. A. A. Eaton s.n. 8 Sep 1899 WTU-5434JWT-B, WTU-V-060784

Isoetaceae Isoetes nuttallii A. Br. U.S.A., CALIFORNIA, BUTTE COUNTY: Along a poor dirt road (to service pole line), meadow, area in Camp Fire, about 200 yards west of Rim Road, about 2 miles north of Highway 70, about 2 miles (air) east of Concow Reservoir. Yellow Pine Forest (destroyed). Elev. 2825 ft. 39° 45' 45.4" N, 121° 29' 25.1" W; T22N, R4E, northeast 1/4 Section 14. On dry rocky bare soil. Normal size plants. Uncommon, inconspicuous. Lowell Ahart 21980 9 Jun 2019 WTU-423848, WTU-V-064971