WTU:V
373921 Don Knoke 1729 2008-09-20
U.S.A., Washington, Kittitas, Along Columbia River about 1 1/4 miles south of Vantage., 46.925 -119.99075, 226m
WTU:V
380438 David Giblin 2285 2008-08-28
U.S.A., Washington, Grant, Potholes Wildlife Area. Sand Dunes Road. From roadside to 0.5 kilometers west., 47.07359 -119.3371, 317m
WTU:V
380451 David Giblin 2354 2008-08-29
U.S.A., Washington, Grant, Winchester Waterway. Starting at end of main access road and working back toward entrance., 47.11698 -119.62003, 342m
WTU:V
380514 David Giblin 2402 2008-09-04
U.S.A., Washington, Adams, Herman Lake, along shoreline near boat ramp., 46.89746 -119.19958, 288m
WTU:V
380448 David Giblin 2427 2008-09-05
U.S.A., Washington, Adams, Lyle Lake., 46.89534 -119.20297, 287m
WTU:V
380398 David Giblin 2438 2008-09-05
U.S.A., Washington, Adams, Columbia National Wildlife Refuge. McMannaman Lake. From south end of lake along shoreline to northwest corner where stream feeds lake., 46.90818 -119.2288, 250m
WTU:V
379044 Peter F. Zika 17965 2002-09-27
U.S.A., Washington, Okanogan, Southwest shore of Osoyoos Lake, near embayment and marsh. Oroville., 48.95 -119.433333, 280m
WTU:V
395970 Kathleen Sayce, Cathy Maxwell, Joe Arnett, David Giblin 08-115 2008-09-09
U.S.A., Oregon, Clatsop, Julia Butler Hanson Refuge for the Columbia White-tailed Deer. Island off the east tip of Tenasillahe Island., 46.20953 -123.43145
WTU:V
382005 James Duemmel 10-517 2010-08-16
U.S.A., Washington, Whatcom, Lake Terrell Game Preserve, southeast boat launch area, eight meters from the shoreline., 48.857708 -122.682634, 61m
WTU:V
387829 David Giblin, Don Knoke 3073 2009-08-13
U.S.A., Washington, Yakima, Toppenish National Wildlife Refuge. Mud Lake area. Riparian zone and roadside edge to east of Mud Lake., 46.3203 -120.55444, 243m
WTU:V
391623 Suzanne Joneson 397 1998-08-13
Russia, Sakhalin, Southeastern Shikotan Island. Inland from Dimitrova Bay., 43.794767 146.8276
WTU:V
391613 Sarah Gage 5687 1998-08-20
Russia, Sakhalin, Inland from midwestern part of Zelionyi Island, near Utinoye Lake., 43.489833 146.110333
WTU:V
386291 Bruce Rittenhouse 1263 1992-07-15
U.S.A., Oregon, Douglas, West end of Dean Creek Elk Viewing Area, far west drainage along banks., 43.689 -124.053, 5m
WTU:V
386288 Chris Boever 46 2008-08-07
U.S.A., Washington, Douglas, Rock Island Lakes, Rock Island Road access., 47.3848 -120.1648
WTU:V
391343 Regina Johnson 2012-107 2012-08-10
U.S.A., Washington, Thurston, Tumwater Historical Park, along slackwater portion of Deschutes River north of I-5 crossing., 47.02295 -122.902367
WTU:V
391341 Regina Johnson 2012-108 2012-08-10
U.S.A., Washington, Thurston, Tumwater Historical Park, along upland boundary between river and lawn., 47.02295 -122.902367
WTU:V
400853 David Giblin 3258 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
394687 Don Knoke, David Giblin 1995 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
393121 David Giblin 3127 2009-09-01
U.S.A., Washington, Grays Harbor, Chehalis River. River edge at end of Preacher's Slough Road., 46.94718 -123.65509, 5m
WTU:V
396950 Kathleen Sayce, Cathy Maxwell, David Giblin 10-10 2010-09-23
U.S.A., Oregon, Clatsop, Julia Butler Hansen National Wildlife Refuge. Miller Sands Island; northern side of island approximately halfway between east and west ends., 46.252 -123.6613, 3m
WTU:V
409074 Cathy Maxwell 13-72 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
396533 R.E. Brainerd 2239 2013-08-11
U.S.A., Oregon, Linn, Highway 20 at House Rock Campground intersection; circa 24 air miles east of Sweet Home., 44.39541 -122.248868, 553m
WTU:V
399060 Jeff Walker 705 2014-06-23
U.S.A., Washington, Chelan, Growing in Beebe Springs Natural Area along the edge of Lake Entiat on the Columbia River., 47.81984 -119.97173
WTU:V
399747 Jeff Walker 713 2014-08-02
U.S.A., Washington, Asotin, Banks of the Snake River in Swallow's Nest Park in the City of Clarkston., 46.39338 -117.04436
WTU:V
405379 Don Knoke, David Giblin 2076 2010-10-21
U.S.A., Washington, Kittitas, Shallow pond along Charter Road leading to fish hatchery, south side of road., 47.1922 -120.96069, 580m
WTU:V
401794 Clayton Haberman s.n. 1997-08-07
U.S.A., Washington, Snohomish, Snohomish River estuary., 48.031738 -122.203703
WTU:V
418062 Ben Legler, David Giblin, Jeff Walker 11832 2010-08-24
U.S.A., Washington, Island, Deception Pass State Park. Cranberry Lake. Southwest corner of lake., 48.3923 -122.66, 1m
WTU:V
403802 R. E. Brainerd 2319 2014-07-15
U.S.A., Oregon, Benton, Northeast Corvallis; Jackson-Frazier Wetland County Park; 0.2 air mile north of the parking area at the end of Northeast Lancaster Street., 67m
WTU:V
409231 Ben Legler 13856 2015-09-11
U.S.A., Washington, Clark, South shore of Burnt Bridge Creek just east of where NW Lakeshore Avenue crosses the creek, northwest of Vancouver., 45.673759 -122.689573, 4m
WTU:V
405055 P. Camp 3529 2015-08-23
U.S.A., Washington, Chelan, Columbia River, Wenatchee Riverfront Park in Wenatchee, in the cove just south of the Walla Walla swimming area., 47.444117 -120.314867, 213m
WTU:V
411122 Patricia Johnson NWCA16-4897-V1-Q4 2016-07-21
U.S.A., Washington, Skagit, Between dikes in Sullivan Slough, south of La Conner., 48.38565 -122.48266
WTU:V
412238 Peter F. Zika 28270 2016-08-14
U.S.A., Oregon, Clatsop, South side of Columbia Beach Road, east of Lake Drive., 46.133 -123.9309, 8m
WTU:V
412465 Peter F. Zika, Ben Peterson 28386 2016-08-31
U.S.A., Washington, King, Artificial pond on grounds of abandoned nursery, N side of SE Petrovitsky Road, 200 m NE of junction with 126th Avenue SE, Renton., 47.4465 -122.1723, 115m
WTU:V
415901 David Gross 1284 2017-09-10
U.S.A., Washington, Klickitat, At Roosevelt Park on Columbia River, Roosevelt, 45.731405 -120.222743
WTU:V
416259 Dominic Maze, Christa von Behren 165 2016-08-09
U.S.A., Oregon, Clackamas, Above seasonal backwater of Willametter R, E of Elk Rock Island., 45.4346 -122.6462
WTU:V
416333 Dominic Maze 147 2016-08-23
U.S.A., Oregon, Multnomah, Columbia Slough. S shore of main channel Columbia Slough. Opposite Kelley Pt. Pk., 45.6416 -122.7669
WTU:V
416473 Peter F. Zika 29002 2017-08-18
U.S.A., Washington, Benton, Near causeway to Crow Butte Island, backwater of Lake Umatilla reservoir on north bank of Columbia River., 45.8667 -119.828, 80m
WTU:V
416474 Peter F. Zika 29023 2017-08-18
U.S.A., Washington, Klickitat, Near boat launch, Railroad Park, just north of John Day dam, Lake Umatilla reservoir on Columbia River., 45.7255 -120.6977, 80m
WTU:V
416699 Peter F. Zika 29081 2017-08-19
U.S.A., Oregon, Morrow, South shore of Columbia River reservoir, Lake Umatilla, north of Interstate 84, 2.2 air kilometers southeast of east end of Crow Butte Island., 45.8363 -119.79096, 80m
WTU:V
416668 Peter F. Zika 29102 2017-08-20
U.S.A., Oregon, Umatilla, South shore of Columbia River reservoir, Lake Umatilla, north of Interstate 84, 15.2 air kilometers east of northeast tip of Big Blalock Island., 45.9127 -119.415, 80m
WTU:V
416898 Peter F. Zika, Rod Gilbert, Sarah Krock 28981B 2017-08-10
U.S.A., Washington, Pierce, Nisqually River, 3.9 air kilometers west of north end of Nisqually Lake, Joint Base Lewis-McChord., 47.0334 -122.6802, 12m
WTU:V
Peter Dunwiddie PWD-17-599 2017-08-06
U.S.A., Washington, Klickitat, On Columbia River 2.7 miles east of Arlington.<br/>, 45.8372 -119.89687, 82m
WTU:V
420236 David Giblin 6413 2018-09-12
U.S.A., Washington, Skamania, Home Valley Waterfront Park. Sailboard Beach access area approximately 200 meters east and west along shoreline., 45.7094 -121.78011, 34m
WTU:V
423201 Bud Hardwick 13-85 2013-08-16
U.S.A., Washington, Grays Harbor, Directly east of boat launch at Friends Landing on the north shore of the Chehalis River, 2.3 air miles SW of Wynoochee Cemetery entrance, Montesano., 46.94638 -123.644, 2m
WTU:V
423203 Bud Hardwick 13-114 2013-10-13
U.S.A., Washington, Grant, Northwest shore of northwest Ancient Lake (1 of 3). 7.3 air miles SW of Quincy, WA. Junction of state highways 28 and 281. Washington Department of Fish and Wildlife: Quincy Lakes Unit., 47.15162 -119.94941, 243m
WTU:V
423204 Bud Hardwick 14-76 2014-08-03
U.S.A., Washington, Whatcom, Washington Department of Fish and Wildlife Lake Terrell unit: immediately west of dock on south shore at parking lot; 4.6 air miles W-NW of Ferndale, WA. Junction Main Street & 1st Ave., 48.85849 -122.68988, 50m
WTU:V
428841 David Giblin 7363 2019-09-19
U.S.A., Washington, Okanogan, Sinlahekin Wildlife Refuge. Forde Lake, northwest corner., 48.73706 -119.66973, 470m
WTU:V
427392 David Giblin 7393 2019-09-20
U.S.A., Washington, Okanogan, Sinlahekin Wildlife Refuge. Schallow Pond, approximately 1 km southeast of southeast corner of Fish Lake., 48.67172 -119.69074, 500m
WTU:V
427395 David Giblin 7382 2019-09-20
U.S.A., Washington, Okanogan, Sinlahekin Wildlife Refuge. Blue Lake. Public access area at south end of lake., 48.67164 -119.69078, 515m
WTU:V
429387 David Giblin 7906 2020-09-09
U.S.A., Washington, Stevens, Pullout on Highway 291 on Long Lake approximately 2 kms east of Red Lake., 47.88362 -117.69773, 469m
WTU:V
338050 Sarah Gage SG 1684 1995-09-01
Russia, Sakhalin, Kuril Archipelago: Kunashir, environs of Lake Aliger., 44.047222 145.741111, 20m
WTU:V
Scott Moore 2019-33 2019-06-16
U.S.A., Washington, Okanogan, Sinlahekin Wildlife Area. North shore of Fish Lake., 48.61514 -119.70363, 540m
WTU:V
Jeff Walker 1490 2022-09-25
U.S.A., Washington, Adams, Cow Lake., 47.13391 -118.161572, 534m
WTU:V
333310 Kathryn A. Beck, Florence E. Caplow
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
195485 Wilhelm N. Suksdorf
U.S.A., Washington, Klickitat, detailed locality information protected
WTU:V
340212 Curtis R. Bjork
U.S.A., Washington, Spokane, detailed locality information protected
WTU:V
359417 Kathryn A. Beck
U.S.A., Washington, Chelan, detailed locality information protected
WTU:V
186014B J. A. Calder, D. B. O. Savile
Canada, British Columbia, detailed locality information protected
WTU:V
195484 Wilhelm N. Suksdorf
U.S.A., Washington, Klickitat, detailed locality information protected
WTU:V
74185 Helen M. Gilkey
U.S.A., Oregon, Benton, detailed locality information protected
WTU:V
368359 P. F. Zika
U.S.A., Oregon, Benton, detailed locality information protected
WTU:V
387388 Kathryn A. Beck
U.S.A., Washington, Klickitat, detailed locality information protected
WTU:V-Vascular
387564 Kathryn A. Beck
U.S.A., Washington, Grant, detailed locality information protected
WTU:V
404801 David Giblin
U.S.A., Washington, Franklin, detailed locality information protected
WTU:V
405308 Ben Legler, David Giblin
U.S.A., Washington, Grant, detailed locality information protected
WTU:V
416696 Peter F. Zika
U.S.A., Oregon, Morrow, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Oregon, Morrow, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
Peter F. Zika, Peter Dunwiddie
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
Peter F. Zika, Peter Dunwiddie
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Oregon, Morrow, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Oregon, Morrow, detailed locality information protected
WTU:V
Peter F. Zika, Peter Dunwiddie
U.S.A., Washington, Walla Walla, detailed locality information protected
WTU:V
Jeff Walker
U.S.A., Washington, Franklin, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Washington, Franklin, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
4429JWT J. William Thompson 11304 1934-08-15
U.S.A., Washington, King, South Seattle., 47.60639 -122.33083
WTU:V
292151 Walter J. Eyerdam 1174 1937-08-07
U.S.A., Washington, Kitsap, Keyport., 47.70222 -122.61972
WTU:V
328192 Mildred Arnot, Elroy Burnett 631 1993-07-17
U.S.A., Washington, Snohomish, Near railroad and Skykomish River., 47.8153 -121.5703
WTU:V
316307 Al Hanners 89-7-25-1 1989-07-25
U.S.A., Washington, Whatcom, Little Squalicum Beach area ("the gravel pit"), Bellingham., 48.764732 -122.517533
WTU:V
363471 Ben Legler 1719 2004-06-09
U.S.A., Washington, Skagit, 2.5 miles southwest of Conway, at Skagit Wildlife Area at end of Mann Road, near boat ramp., 48.324444 -122.373333, 2m
WTU:V
359524 Florence E. Caplow, Kathryn A. Beck 97048 1997-07-22
U.S.A., Washington, Benton, Hanford Site, east end of Gable Butte., 46.613834 -119.611123, 177m
WTU:V
12426 Louis F. Henderson s.n. 1892-06-30
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
73386 E. H. Jones s.n. 1942-07-26
U.S.A., Washington, Kitsap, Port Blakely.
WTU:V
12424 C. V. Piper s.n. 1888-06-17
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
12425 Chas. V. Piper 1049 1890-09-04
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
12422 unknown 3349 1891-05-00
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
94870 Emma A. Shumway s.n. 1891-07-10
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
32627 J. B. Flett 2142 1903-09-12
U.S.A., Washington, King, Green Lake near Seattle., 47.60639 -122.33083
WTU:V
195412 W. N. Suksdorf 971 1890-08-04
U.S.A., Washington, King, Lake Washington., 47.62451 -122.25583
WTU:V
300425 William H. Baker 6109 1949-06-13
U.S.A., Oregon, Curry, At Oak Flat on the Illinois River, 4 miles south of Agness., 42.524958 -124.040936
WTU:V
321491 Richard R. Halse 4068 1990-07-14
U.S.A., Oregon, Benton, Along Decker Road, .5 miles west of its junction with Bellfountain Road at Invale School., 44.4688 -123.3417, 78m
WTU:V
149704 Wm. C. Cusick 2908 1902-08-00
U.S.A., Oregon, Josephine, Waldo., 42.059677 -123.642178
WTU:V
372800 David Giblin 717 2006-09-15
U.S.A., Washington, Skagit, Bayview - Edison Road. Edge of agricultural field and adjacent drainage swale at roadside edge., 48.467283 -122.460483, 2m
WTU:V
371425 David Giblin 728 2006-09-15
U.S.A., Washington, Skagit, Padilla Bay National Estuarine Research Reserve. Trailhead of Padilla Bay Shore Trail; parking lot adjacent to Bayview-Edison Road., 48.45715 -122.466067, 2m