WTU:V
410956 Kathy Ahlenslager, Robert Bursik 418 1994-06-23
U.S.A., Washington, Spokane, Three Springs Natural Area on the Spokane River., 47.723597 -117.379875
WTU:V
Peter W. Dunwiddie, Peter Zika, Sarah Krock PWD 16-383 2016-07-13
U.S.A., Washington, Pierce, JBLM, TA-12, Chambers Lake., 47.01395 -122.53185, 98m
WTU:V
420155 David Giblin 6345 2018-09-11
U.S.A., Washington, Clark, Fallen Leaf Lake Park, Shoreline just west of picnic area., 45.60018 -122.40859, 65m
WTU:V
420194 David Giblin 6385 2018-10-25
U.S.A., Washington, Skamania, Greenleaf Lake on north side of Highway 14; boat ramp area and shoreline approximately 100 meters to the west., 45.64738 -121.95698, 21m
WTU:V
429326 David Giblin 8022 2020-09-29
U.S.A., Washington, Kitsap, Nick's Lagoon approximately 1 air km northwest of Seabeck., 47.63701 -122.8396, 24m
WTU:V
David Giblin 8508 2021-09-10
U.S.A., Washington, Pierce, Kapowsin Lake, north side at WDFW Access point., 46.98493 -122.21844, 150m
WTU:V
David Giblin 8952 2022-09-30
U.S.A., Washington, Kitsap, Wildcat Lake County Park lakefront access area on north side of lake., 47.60319 -122.77222, 77m
WTU:V
341976 P. F. Zika 14078 1999-08-15
U.S.A., Washington, Thurston, N side of Route 101, near Delphi Road., 47.0437 -122.98272
WTU:V
51919 I. C. Otis 2116 1936-07-19
U.S.A., Washington, Grays Harbor, Near ocean beach near south line of Grays Harbor County., 46.95083 -124.04972
WTU:V
223972 Richard Spellenberg, David Sutherland 1211 1965-07-24
U.S.A., Washington, Lewis, 12 miles from Packwood on road from Packwood to Ashford., 46.60667 -121.66944
WTU:V
262301 Wilhelm N. Suksdorf 2570 1895-00-00
U.S.A., Washington, Klickitat, Bingen. Ponds along Columbia River., 45.715 -121.46333
WTU:V
25281 Trevor Kincaid s.n. 1934-08-22
U.S.A., Washington, Snohomish, Lake Thomas., 47.86828 -122.18283
WTU:V
25278 Trevor Kincaid s.n. 1934-07-18
U.S.A., Washington, Skagit, Big Lake., 48.40306 -122.24
WTU:V
88653 Harold St. John 5296 1921-07-08
U.S.A., Washington, Okanogan, Bonaparte Lake, Colville National Forest., 48.79333 -119.06, 1128m
WTU:V
285646 Lois M. Kemp 7989 1979-07-02
U.S.A., Washington, Skamania, Gifford Pinchot National Forest, Thornton P. Munger Research Natural Area., 45.81999 -121.95208
WTU:V
66115 F. L. Pickett 1604 1934-06-07
U.S.A., Washington, Whitman, Toolie Lake, 3 miles northwest of Ewan., 47.147639 -117.779015
WTU:V
326119 Scott R. Atkinson 466 1992-08-17
U.S.A., Washington, San Juan, Cascade Lake, Orcas Island, east side of lake, near public swimming area., 48.6525 -122.851389
WTU:V
24705JWT Morton E. Peck 13068 1923-07-22
U.S.A., Washington, San Juan, In Trout Lake., 48.532778 -123.126389
WTU:V
54480 George B. Rigg 15994 1939-08-02
U.S.A., Washington, San Juan, Sportsmans Lake., 48.568056 -123.072778
WTU:V
352234 Jonna Ahl, Judy Loescher s.n. 1983-07-22
U.S.A., Washington, Okanogan, Owhi Lake, 5 miles northeast of Nespelem, sample 12, east shore, depth 1 meter., 48.23396 -118.90134, 762m
WTU:V
169572 Arthur Cronquist, Quentin Jones 5959 1949-07-16
U.S.A., Idaho, Benewah, In pond formed by railroad embankment, along northwest side of Lake Chatcolet, 10 miles northeast of Plummer., 47.3756 -116.77, 671m
WTU:V
149783 C. L. Hitchcock 19691 1952-07-15
U.S.A., Oregon, Baker, Reservoir between Richland and Halfway., 44.835066 -117.09195
WTU:V
234027 C. L. Hitchcock 24121 1965-09-22
U.S.A., Washington, Thurston, Hicks Lake, 4 miles east of Olympia at edge of lake near Public Fishing Area., 47.038029 -122.814476
WTU:V
224078 David Sutherland 1103 1965-07-22
U.S.A., Washington, King, King Lake Bog, south end of lake., 47.5988 -121.7726
WTU:V
26603 I. C. Otis 1681 1929-08-11
U.S.A., Washington, King, Lake Sammamish., 47.6 -122.084722
WTU:V
33742 C. V. Piper s.n. 1889-06-26
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
224748 C. L. Hitchcock 24039 1965-07-13
Canada, British Columbia, Kootenay District; in large pond about 21 miles north of Cranbrook.
WTU:V
224742 C. L. Hitchcock 23997 1965-07-11
U.S.A., Montana, Lake, 1 mile south of Nine-Pipes Reservoir.
WTU:V
295661 William H. Baker 8459 1951-08-10
U.S.A., Idaho, Owyhee, Duck Valley Marsh, Riddle., 42.18694 -116.10944
WTU:V
34803 T. Kincaid s.n. 1935-07-16
U.S.A., Oregon, Sutton Creek.
WTU:V
25276 Trevor Kincaid s.n. 1934-06-30
U.S.A., Washington, King, Otter Lake, Maple Valley region., 47.40667 -122.0375
WTU:V
223390 C. L. Hitchcock 23968 1965-07-11
U.S.A., Montana, Missoula, Near Fort Missoula.
WTU:V
100723 C. L. Hitchcock, C. V. Muhlick 12781 1945-07-27
U.S.A., Montana, Beaverhead, One mile southeast of Pintlar Lake; Anaconda Range.
WTU:V
155538 Quentin D. Clarkson 276 1953-09-02
U.S.A., Oregon, Malheur, J.I. Brady farm 4 miles northwest of Nyssa., 43.917782 -117.051714
WTU:V
364343 David Giblin, Ben Legler 275 2005-09-23
U.S.A., Washington, Snohomish, Sunday Lake, located about one kilometer south of State Highway 532., 48.216667 -122.25
WTU:V
David Giblin, Ben Legler 757 2006-09-29
U.S.A., Washington, Whatcom, Northeast end of Baker Lake where Baker River enters lake; northeast of Concrete., 48.742117 -121.5681, 232m
WTU:V
379861 Joe Arnett, David Giblin 07-123 2007-09-05
U.S.A., Washington, Stevens, Unnamed pond at junction of roads at north end of Black Lake., 48.10166 -117.4403, 1954m
WTU:V
373292 P. F. Zika 11837 1992-08-05
U.S.A., Oregon, Polk, Near Pheasant Creek, north side of Route 18., 45.06985 -123.70843
WTU:V
373287 P. F. Zika 11843 1992-08-08
U.S.A., Oregon, Lincoln, Southwest end of Devils Lake, near Inlet of Rock Creek, Lincoln City., 44.9647 -123.9986, 20m
WTU:V
380222 Don Knoke 1991 2009-09-07
U.S.A., Washington, Kittitas, Pond along North Thorp Highway about 250 yards east of bridge over Yakima River., 47.10021 -120.69725, 519m
WTU:V
Ben Legler 905 2003-07-26
Russia, Sakhalin, Sakhalin Island, central part of island; along east side of the Orlovka River circa 25 kilometers west of town of Smirnykh and 4 kilometers southeast of mouth of Ognannaya River., 49.729617 142.524267, 80m
WTU:V
393139 Don Knoke, David Giblin 1975 2009-08-14
U.S.A., Washington, Kittitas, Washington Department of Fish and Wildlife Services area on Yakima River. 0.1 hectare pond at northwest corner of parking lot., 46.77645 -120.45351, 378m
WTU:V
384539 H. Bobisud 1239 1973-06-26
U.S.A., Washington, Okanogan, Pearygin Lake; Northwest end by public fishing area., 48.4896 -120.1547
WTU:V
396802 Nick Otting, Barb Wilson 3419 2012-07-20
U.S.A., Oregon, Harney, Great Basin, Malheur National Wildlife Refuge, Krumbo Reservoir, 10.3 air miles north-northeast of Frenchglen., 42.953024 -118.803976, 1280m
WTU:V
400261 R. E. Brainerd s.n. 2005-08-17
U.S.A., Oregon, Lane, Horse Creek Drainage, Three Sisters Wilderness Area; 12 air miles southeast of McKenzie Bridge., 1207m
WTU:V
401496 Barbara L. Wilson, Nick Otting 16420 2010-08-18
U.S.A., Oregon, Grant, Malheur National Forest: Bear Creek, north of Forest Service road 16., 44.168247 -118.830436, 1467m
WTU:V
410958-B Kathy Ahlenslager, Robert Bursik 428 1994-06-25
U.S.A., Washington, Stevens, Waits Lake; peatland about 10 miles south of Chewlah., 48.183894 -117.791948
WTU:V
Peter F. Zika, Peter Dunwiddie PWD-19-427 2019-08-04
U.S.A., Washington, Benton, On Columbia River north shore, Plymouth Park near I-82 bridge., 45.93404 -119.33437
WTU:V
Peter F. Zika, Peter Dunwiddie PWD-19-523 2019-08-09
U.S.A., Washington, Walla Walla, McNary National Wildlife Refuge, Peninsula Unit., 46.15384 -118.95766
WTU:V
Peter Dunwiddie, Peter Zika, Sarah Krock PWD-17-551 2017-07-10
U.S.A., Washington, Pierce, JBLM, Ponds near Fish Hatchery, 47.02697 -122.66751
WTU:V
Josh Wozniak WL-002 2019-08-29
U.S.A., Washington, King, Walsh Lake, 47.40793 -121.92884, 226m
WTU:V
333643 J. Parsons s.n. 1994-06-27
U.S.A., Washington, Grant, Evergreen Lake. Collected from a cove along the south shore., 47.1252 -119.9075
WTU:V
229813 R. Spellenberg, M. Spellenberg 1471 1966-06-19
U.S.A., Washington, Kittitas, In still pool along side of Yakima River in Yakima River Canyon about 2.5 miles S of Thrall., 46.962929 -120.549697
WTU:V
224005 David Sutherland, Don Simpson 1092 1965-07-18
U.S.A., Washington, King, South of western approach to Evergreen Pt. Bridge on Lake Washington., 47.73556 -122.33556
WTU:V
224369 Richard Spellenberg, David Sutherland 1216 1965-07-24
U.S.A., Washington, Pierce, Ohop Lake, north end of Eatonville at fishing area at south end of lake, in gently flowing outlet in ca 18" of water., 46.8675 -122.26528
WTU:V
270977 E. Hunn 96 1976-10-19
U.S.A., Washington, Yakima, (Yakima Indian Reservation) Upper Sunnyside Diversion Dam, Yakima River near Parker., 46.499849 -120.450018, 215m
WTU:V
224018 C. L. Hitchcock 24111 1965-09-02
U.S.A., Washington, Yakima, In irrigation ditch at south Wapato Road, and Yost Road, 4 miles southof Wapato., 46.44778 -120.41917
WTU:V
224000 David Sutherland, Don Simpson 1095 1965-07-18
U.S.A., Washington, King, Seattle, north of western approach to Evergreen Pt. Bridge, Lake Washington., 47.73556 -122.33556
WTU:V
286727 Richard R. Halse 2285 1980-07-17
U.S.A., Oregon, Polk, Buena Vista, just below the ferry crossing, Willamette River., 44.7769 -123.1417, 50m
WTU:V
286626 Barbara Ertter, Sarah Richard Harris, James W. Grimes 4508 1981-07-14
U.S.A., Idaho, Ada, Eagle Island off of Linder Road, Boise River northwest of Boise, west of Eagle., 43.687942 -116.41346, 762m
WTU:V
129457 William H. Baker 4690 1947-08-01
U.S.A., Oregon, Curry, Rogue River at Cherry Flat, 4 miles north of Agness.
WTU:V
149244 Helen M. Gilkey s.n. 1949-07-15
U.S.A., Oregon, Benton, Bank of Willamette River, near Peoria Ferry landing.
WTU:V
284573 Barbara Ertter, Jeffery Strachan 3964 1980-08-14
U.S.A., Idaho, Ada, West side Highway 55 south of Eagle, sandbar on north side of Boise River., 43.60419 -116.19345, 777m
WTU:V
337541 Richard R. Halse 2443 1981-07-30
U.S.A., Oregon, Jackson, In the Applegate River at Applegate Bridge Way side Park in Applegate where State Highway 238 crosses the river., 42.2508 -123.1583, 383m
WTU:V
370916 Peter F. Zika, David Giblin, Cathy Maxwell, Ben Legler 22251 2005-08-30
U.S.A., Washington, Wahkiakum, East shore of Deep River near mouth, 1 air mile northwest of Miller Point; Grays Bay, Columbia River., 46.311667 -123.713333, 2m
WTU:V
370839 Ben Legler, David Giblin 3090 2005-09-21
U.S.A., Washington, Clark, Frenchman's Bar Waterfront Park on shore of Columbia River, west of Vancouver., 45.683717 -122.766483, 3m
WTU:V
368373 Ben Legler 3683 2006-09-15
U.S.A., Washington, Snohomish, Along north shore of Stillaguamish River 1.9 air miles west of Arlington; in old side channel of river., 48.192778 -122.166944, 11m
WTU:V
368253 Peter F. Zika 22599 2005-10-13
U.S.A., Washington, Klickitat, Mouth of Alder Creek, north shore of Columbia River., 45.836667 -119.928333, 80m
WTU:V
368254 Peter F. Zika 22585 2005-10-12
U.S.A., Washington, Skamania, Near mouth of Woodward Creek, north shore of Columbia River., 45.621667 -122.021667, 10m
WTU:V
368255 Peter F. Zika 22595 2005-10-13
U.S.A., Washington, Benton, Near causeway to Crow Butte Island, north shore of Columbia River., 45.866667 -119.833333, 80m
WTU:V
368561 Peter F. Zika 19520 2004-05-09
U.S.A., Washington, Pend Oreille, Near west shore of reservoir on Pend Oreille River, east of Route 20, north of mouth of Lost Creek., 48.613333 -117.363333, 630m
WTU:V
370067 Peter F. Zika 22344 2005-09-12
U.S.A., Washington, Walla Walla, Southeast shore of reservoir on Snake River, Lake Sacajawea, Charbonneau Park, 1.5 air miles east of Ice Harbor Dam., 46.256667 -118.846667, 135m
WTU:V
370140 Peter F. Zika 22410 2005-09-25
U.S.A., Washington, Douglas, East shore of reservoir, Columbia River, opposite mouth of Entiat River, Orondo Park., 47.656667 -120.215, 216m
WTU:V
371498 P. F. Zika 11772 1992-07-26
U.S.A., Oregon, Multnomah, South shore of Columbia river, opposite southeast end of Gary Island, base of sandy bluff., 45.5553 -122.3398
WTU:V
380467 David Giblin 2480 2008-09-05
U.S.A., Washington, Grant, Turnout east side of road along Morgan Lake Road., 46.91834 -119.23901, 252m
WTU:V
380323 David Giblin 2328 2008-08-29
U.S.A., Washington, Grant, Potholes Wildlife Area. Drainage slough west side of road, south side of slough. From roadside to 2 kilometers west of road., 47.08172 -119.34336, 314m
WTU:V
379218 P. F. Zika, F. Weinmann 17748 2002-08-29
U.S.A., Washington, Wahkiakum, Northeast side of Steamboat Slough Road, 100 meters northwest of boatramp; near Cathlament Channel, north side of Columbia River., 46.255 -123.435, 5m
WTU:V
393098 Don Knoke, David Giblin 1946 2009-08-13
U.S.A., Washington, Yakima, Toppenish National Wildlife Refuge. Area near maintenance entrance from Highway 97., 46.30806 -120.33533, 220m
WTU:V
400851 David Giblin 3256 2009-09-29
U.S.A., Washington, Franklin, Scootenay Reservoir. Cattail Lake, south shore where gravel access road leads to lake., 46.70307 -119.01243, 283m
WTU:V
394684 Don Knoke, David Giblin 1999 2009-10-05
U.S.A., Washington, Kittitas, Woodhouse Road Loop, about 1 kilometer east from junction with Canyon Road., 46.94998 -120.51836, 432m
WTU:V
409073 Cathy Maxwell 13-74 2013-08-28
U.S.A., Washington, Cowlitz, Island Park Recreation Area on north side of Lewis River along Highway 503., 45.93921 -122.68172, 14m
WTU:V
408068 Ben Legler, Sara Legler 13384 2014-09-23
U.S.A., Washington, Lewis, Exposed mud flats on east shore of Riffe Lake near an acess parking area along Champion Haul Road, 3.5 air km soutwest of Glenoma., 46.488156 -122.186708, 225m
WTU:V
412574 Peter F. Zika 28444 2016-09-17
U.S.A., Washington, Skagit, S shore of Lake Erie, near boat launch N of Rosario Road, 1.6 air km N of Ginnet Hill, Fidalgo Island., 48.4494 -122.6399, 35m
WTU:V
409763 Peter F. Zika 28109 2016-07-16
U.S.A., Washington, Pierce, Northeast shore of Silver Lake, near resort on South Silver Lake Road East, Eatonville, 15.3 air kilometers northwest of Dobbs Mountain., 46.886 -122.361, 185m
WTU:V
409776 Peter F. Zika 28023 2016-07-05
U.S.A., Oregon, Deschutes, Mirror Lake, an impoundment on the Deschutes River, Drake Park, Bend., 44.0598 -121.3177, 1090m
WTU:V
409821 Peter F. Zika 28005 2016-07-03
U.S.A., Oregon, Deschutes, Crooked River, 0.9 air kilometers north of Smith Rock., 44.368 -121.146, 800m
WTU:V
410493 Peter F. Zika 27831 2016-05-31
U.S.A., Oregon, Malheur, Southeast bank of Snake River, 1.6 air kilometers northeast of Darrows Islands., 44.263 -117.128, 630m
WTU:V
410489 Peter F. Zika 27937 2016-06-18
U.S.A., Oregon, Klamath, Quiet bay of east shore of Boyle Reservoir on Klamath River, south side of Route 66 near junction with Topsy Grade Road, 6.6 air kilometers northeast of Hayden Mountain., 42.135 -122.03, 1160m
WTU:V
414051 Peter F. Zika 28523 2016-10-01
U.S.A., Washington, Chelan, West shore of Columbia River, near Cowan Avenue, 4.9 air kilometers east-northeast of Peters Point, Entiat., 47.6669 -120.2185, 215m
WTU:V
414274 Dominic Maze 369 2016-07-04
U.S.A., Oregon, Multnomah, Blue Lake., 45.5542 -122.4453
WTU:V
410960 Kathy Ahlenslager 744 1993-05-18
U.S.A., Washington, Pend Oreille, Colville National Forest, Newport Ranger District, Panhandle Campground about 17 mi. S of Ione. From Ione take County Road #9345 E 1 mi. to County Rd. #9325. Follow it about 17 mi. S to Panhandle Campground. Plants grow in the Pend Oreille River., 48.510028 -117.272285, 628m
WTU:V
410959 Kathy Ahlenslager 627 2000-07-25
U.S.A., Washington, Pend Oreille, Colville National Forest, along the Pend Oreille River about 19 mi. S of Ione. From Ione take County Rd. #9435 E across the river, then continue S on County Rd. #9325 about 19 mi., 48.458336 -117.4, 637m
WTU:V
416678 Peter F. Zika 29044 2017-08-19
U.S.A., Oregon, Sherman, Near boat ramp, LePage Park, west shore of John Day River, backwater of Lake Umatilla reservoir on Columbia River, south of Interstate 84., 45.7286 -120.6511, 80m
WTU:V
416674 Peter F. Zika 29058 2017-08-19
U.S.A., Oregon, Morrow, Marshy margin of south shore of Lake Umatilla reservoir on Columbia River, 8.5 air kilometers southwest of Crow Butte Island., 45.8135 -119.959, 80m
WTU:V
417337 Dominic Maze, Christa von Behren CN 178 2016-08-02
U.S.A., Oregon, Multnomah, Stormwater pond next to Portland International Raceway. Connected to Columbia Slough via side channels., 45.5957 -122.7004
WTU:V
417605 Dominic Maze 390 2016-09-11
U.S.A., Oregon, Multnomah, Columbia River south shore. Beach upstream of James Gleason Boat Ramp., 45.5023 -122.5922
WTU:V
Peter Dunwiddie PWD-17-598 2017-08-03
U.S.A., Oregon, Gilliam, On Columbia River 2.7 mi east of Arlington.<br/>, 45.75188 -120.16967, 268m
WTU:V
David Giblin 6553 2018-10-04
U.S.A., Washington, Okanogan, Green Lake. East side of lake at public access point., 48.45137 -119.62737, 469m
WTU:V
Peter F. Zika, Peter Dunwiddie PWD-19-322 2019-07-30
U.S.A., Oregon, Wasco, Deschutes River Recreation Area, Heritage Landing., 45.633326 -120.914858, 53m
WTU:V
Peter F. Zika, Peter Dunwiddie PWD-19-428 2019-08-04
U.S.A., Washington, Benton, On Columbia River north shore, Plymouth Park near I-82 bridge., 45.93404 -119.33437