WTU:V
Peter Dunwiddie, Peter Zika, Sarah Krock, Kerri Wheeler PWD-18-397 2018-08-08
U.S.A., Washington, Pierce, JBLM, TA-16, just downstream on Nisqually River from Railroad bridge, 46.96671 -122.56481
WTU:V
Peter Dunwiddie, Saff Killingsworth and Rod Gilbert PWD-19-157 2019-07-18
U.S.A., Washington, Pierce, JBLM, Russell's Landing on American Lake, 47.12343 -122.579192, 74m
WTU:V
Peter Dunwiddie, Peter Zika PWD-20-83 2020-06-01
U.S.A., Washington, Thurston, Scatter Creek South Unit, 46.828685 -123.008699, 56m
WTU:V
445057 David Giblin 8902 2022-09-15
U.S.A., Washington, Lincoln, Twin Lakes Recreation Area. Upper Twin Lake. From boat ramp around the western shore and partially up the south shoreline., 47.53094 -118.50567, 552m
WTU:V
234026 C. L. Hitchcock 24126 1965-09-22
U.S.A., Washington, Thurston, Hicks Lake, 4 mi E of Olympia, near public access area., 47.038029 -122.814476
WTU:V
163174 Albert N. Steward 6800 1954-08-04
U.S.A., Oregon, Deschutes, Near crossing of Little Deschutes River and highway to Pringle Falls., 43.7104 -121.4968, 1329m
WTU:V
384012 Parsons, Fullerton 2001-06-26
U.S.A., Washington, Kittitas, Rosa Reservoir., 46.7745 -120.4534
WTU:V
384013 Fullerton, Boyd s.n. 2008-06-11
U.S.A., Washington, Pierce, Spanaway Lake., 47.1193 -122.4509
WTU:V
384014 J. Parsons, S. Levy s.n. 1994-07-26
U.S.A., Washington, Okanogan, Concully Reservoir., 48.5332 -119.7425
WTU:V
381015 J. Parsons s.n. 1994-08-25
U.S.A., Washington, Snohomish, Lake Roesiger., 47.985559 -121.919508
WTU:V
384016 J. Parsons, S. Levy s.n. 1994-07-21
U.S.A., Washington, Pierce, Tanwax Lake., 46.9449 -122.261
WTU:V
408909 Bill Swartz 12-10 2012-07-22
U.S.A., Washington, Pend Oreille, Colville National Forest. Big Meadow Lake. Area around dam/spillway., 48.7282 -117.5632, 1030m
WTU:V
410326 Suzanne Anderson, Karen Petersen, Katie Messick, Sheila Olmstead, and R. Olmstead 2013-40 2013-07-13
U.S.A., Oregon, Deschutes, Hosmer Lake Campground and vicinity., 43.96092 -121.7861, 1518m
WTU:V
409675 David Giblin 5789 2015-09-18
U.S.A., Washington, Grant, Buckshot Recreation Area. Area west of hunting blind approximately 300 meters north of parking area., 46.71344 -119.95304, 145m
WTU:V
415273 Don Knoke, David Giblin 2347A 2012-09-24
U.S.A., Washington, Kittitas, Northeast corner of I-90 interchange at south end of Cle Elum; pond formed from old borrow pit., 47.09904 -120.69727, 575m
WTU:V
409852 Peter F. Zika 28051 2016-07-08
U.S.A., Oregon, Deschutes, Northeast shore of Reynold's Pond, 10.5 air kilometers west of Horse Butte., 44.0597 -121.0134, 1025m
WTU:V
409804 Peter F. Zika 28108 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
409849 Peter F. Zika 28043 2016-07-07
U.S.A., Oregon, Deschutes, Near boat launch, southwest shore of Hosmer Lake, 0.8 air kilometers northwest of Red Crater., 43.9593 -121.7887, 1515m
WTU:V-Vascular
409811 Peter F. Zika 28181 2016-07-26
U.S.A., Washington, Snohomish, North shore of Hall Lake, south of Hall Lake Way, 2.9 air kilometers north-northeast of Lake Ballinger., 47.8085 -123.3099, 100m
WTU:V
409803 Peter F. Zika 28108 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
412243 Peter F. Zika 28408 2016-09-05
U.S.A., Washington, Snohomish, East shore of Blackman Lake, near Park Avenue., 47.9319 -122.0897, 45m
WTU:V
412140 Peter F. Zika 28302 2016-08-17
U.S.A., Washington, Whatcom, Northeast shore of Lake Whatcom, Northshore Drive near Silvern Lane., 48.7684 -122.4073, 90m
WTU:V
412893 Peter F. Zika 28527 2016-10-01
U.S.A., Washington, Chelan, W shore of Columbia River, near Cowan Avenue, 4.9 air km ENE of Peters Point, Entiat., 47.6669 -120.2185, 215m
WTU:V
416503 Peter F. Zika 29065 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
411647 Jean Wood 3100 1995-08-08
U.S.A., Washington, Stevens, Western Colville National Forest and vicinity: Little Pend Oreille National Wildlife Refuge: McDowell Lake, circa 11 air miles southeast of Colville along Rookery Road., 48.467245 -117.680619, 701 - 732m
WTU:V
416687 Peter F. Zika 29010 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
416686 Peter F. Zika 29031 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
416673 Peter F. Zika 29047 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
416900 Peter F. Zika, Rod Gilbert, Sarah Krock 28976 2017-08-10
U.S.A., Washington, Thurston, North end of a gravel island in Nisqually River, 3.7 air kilometers west of south end of Nisqually Lake, near Joint Base Lewis-McChord., 47.0228 -122.6761, 15m
WTU:V
Peter Dunwiddie, Peter Zika, Stacy Kinsell PWD-17-263 2017-05-27
U.S.A., Washington, Klickitat, Rock Creek Park, off highway 14., 45.718442 -120.463059
WTU:V
418682 David Giblin, Charlotte Giblin 6571 2018-10-16
U.S.A., Pennsylvania, Berks, French Creek State Park. West shore of Hopewell Lake at viewing area on north side of boat launch., 40.2004 -75.78952, 230m
WTU:V-Vascular
Peter Dunwiddie, Peter Zika, Stacy Kinsell PWD-17-583 2017-08-04
U.S.A., Washington, Klickitat, Railroad Island Park, 7.5 miles east of Maryshill Bridge., 45.725069 -122.697985, 82m
WTU:V
Peter Dunwiddie, Peter Zika, Stacy Kinsell PWD-17-594 2017-08-03
U.S.A., Oregon, Gilliam, On Columbia River 2.7 miles east of Arlington.<br/><br/>, 45.75188 -120.16967, 82m
WTU:V
Peter Dunwiddie, Peter Zika, Stacy Kinsell PWD-17-595 2017-08-03
U.S.A., Oregon, Gilliam, On Columbia River 2.7 miles east of Arlington., 45.75188 -120.16967, 82m
WTU:V
420156 David Giblin 6346 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
422012 Peter F. Zika 23236 2007-07-22
U.S.A., Oregon, Harney, Steens Mountain, ditch and adjacent channel near Knox Pond., 42.891667 -118.881667, 1275m
WTU:V
384015 J. Parsons, S. Levy. s.n. 1994-08-25
U.S.A., Washington, Snohomish, Lake Roesiger. Growing in water 3 meters deep near the south end of the lake., 47.975643 -121.921527
WTU:V
Peter F. Zika, Peter Dunwiddie PWD-19-329 2019-07-30
U.S.A., Oregon, Wasco, Celilo Park, off Interstate Hwy I-84., 45.633326 -120.914858, 53m
WTU:V
Peter F. Zika, Peter Dunwiddie PWD-19-514 2019-08-09
U.S.A., Washington, Walla Walla, McNary National Wildlife Refuge, Peninsula Unit., 46.18404 -119.00562
WTU:V
427177 David Giblin 7276 2019-09-17
U.S.A., Washington, Okanogan, Enloe Dam Road along north bank of Simikameen River. Approximately 5 kms west of Oroville., 48.96486 -119.49934, 361m
WTU:V
David Giblin 8453 2021-09-08
U.S.A., Washington, Skamania, Gifford Pinchot National Forest. Goose Lake. From parking area all the way around lake., 45.9419 -121.7628, 900m
WTU:V
David Giblin 8502 2021-09-10
U.S.A., Washington, Pierce, Alder Lake County Park. Alder Lake. Large reservoir with major seasonal drawdown. Shoreline area adjacent to parking area., 46.79824 -122.2795, 365m
WTU:V
Peter Dunwiddie, Peter Zika, Sarah Krock, Kerri Wheeler PWD-18-398 2018-08-08
U.S.A., Washington, Pierce, JBLM, TA-16, just downstream on Nisqually River from Railroad bridge, 46.96671 -122.56481
WTU:V
Peter Dunwiddie, Saff Killingsworth and Rod Gilbert PWD-19-159 2019-07-18
U.S.A., Washington, Pierce, JBLM, Russell's Landing on American Lake by dock, 47.12343 -122.579192, 74m
WTU:V
340143 P. F. Zika 14120 1999-08-21
U.S.A., Washington, San Juan, East shore of Killebrew Lake., 48.605278 -122.898333, 88m
WTU:V
37857 G. N. Jones 5974 1934-08-12
U.S.A., Washington, Clallam, Lake Ozette., 48.155 -124.66583
WTU:V
2829 J. M. Grant 2068 1923-07-00
U.S.A., Washington, Island, Langley, Whidbey Island., 48.04028 -122.405
WTU:V
269006 Wilhelm Suksdorf 6915 1909-08-23
U.S.A., Washington, Klickitat, In Conboy Lake, Falcon Valley., 45.97139 -121.28083
WTU:V
18593JWT J. William Thompson 7590 1931-07-24
U.S.A., Washington, King, Banks of Mercer Island, Lake Washington., 47.42056 -121.53611
WTU:V
224065 Richard Spellenberg, David Sutherland 1218 1965-07-24
U.S.A., Washington, Pierce, Chop Lake, N of Eatonville at fishing area at S end of lake., 46.8675 -122.26528
WTU:V
325591 M. Arnot, E. Burnett s.n. 1992-07-03
U.S.A., Washington, Skagit, Clear Lake, north end Game Dept. boat launch area., 48.4636 -122.2355
WTU:V
55323 W. C. Muenscher 10521 1939-08-06
U.S.A., Washington, Whatcom, Samish Lake., 48.667153 -122.392913
WTU:V
24713JWT Morton E. Peck 13069 1923-07-22
U.S.A., Washington, San Juan, In Trout Lake., 48.532778 -123.126389
WTU:V
325005 Scott R. Atkinson 474 1992-08-17
U.S.A., Washington, San Juan, Cascade Lake, Orcas Island; east side of lake, adjacent to public swimming area., 48.6525 -122.851389
WTU:V
26604 I. C. Otis 1744 1933-08-11
U.S.A., Washington, King, West side of Lake Sammamish., 47.64194 -122.07917
WTU:V
26378 I. L. Norberg s.n. 1933-08-00
U.S.A., Washington, King, Bitter Lake, near Seattle., 47.60639 -122.33083
WTU:V
2824 J. L. Fryr s.n. 1904-04-04
U.S.A., Washington, King, Lake Washington, Seattle., 47.60639 -122.33083
WTU:V
325592 M. Arnot, D. Naas s.n. 1992-06-19
U.S.A., Washington, Skagit, Clear Lake, north end Game Dept. boat launch area., 48.4636 -122.2355
WTU:V
29917 G. N. Jones 5974 1934-08-12
U.S.A., Washington, Clallam, Lake Ozette., 48.155 -124.66583
WTU:V
20565 J. M. Grant s.n. 1923-07-00
U.S.A., Washington, Island, Langley., 48.04028 -122.405
WTU:V
38896 Harold W. Smith 1497 1936-08-03
U.S.A., Washington, Skagit, Pass Lake, Deception Pass State Park, Fidalgo Island., 48.40583 -122.645
WTU:V
334382 Richard R. Halse 5016 1995-11-24
U.S.A., Oregon, Douglas, Siuslaw National Forest, East Carter Lake boat ramp area about 7.5 miles south of Florence, off of U.S. Hwy. 101., 43.8454 -124.1526, 30m
WTU:V
364578 Ben Legler, David Giblin, Tad Dilhoff 2331 2004-09-03
U.S.A., Washington, Skagit, Grandy Lake, along Baker Lake Road 4 miles NE of junction with Hwy 20., 48.565617 -121.804767, 190m
WTU:V
364041 Steve Majerick, Wendy Cooke 1996-08-26
U.S.A., Washington, King, Geneva Lake., 47.2913 -122.2817
WTU:V
363967 Del Field, Steve Majerick 1994-08-23
U.S.A., Washington, King, Lucerne/Pipe Lake., 47.368 -122.0517
WTU:V
364023 Del Field, Steve Majerick, Chuck Eberhart 1995-07-31
U.S.A., Washington, King, Cottage Lake., 47.754 -122.087
WTU:V
364159 Del Field, Steve Majerick 1995-08-16
U.S.A., Washington, King, McDonald Lake., 47.4716 -122.0773
WTU:V
364054 Del Field, Casandra Robertson, Steve Majerick 1995-07-26
U.S.A., Washington, King, North Lake., 47.3052 -122.2906
WTU:V
364070 Del Field, Steve Majerick 1995-08-01
U.S.A., Washington, King, Langlois Lake., 47.6371 -121.889
WTU:V
364079 Steve Majerick, Wendy Cooke 1996-08-26
U.S.A., Washington, King, Five Mile Lake., 47.2724 -122.2863
WTU:V
364087 Steve Majerick, Wendy Cooke 1996-08-26
U.S.A., Washington, King, Trout Lake., 47.2662 -122.28
WTU:V
377680 Ben Legler, David Giblin 3665 2006-10-05
U.S.A., Washington, Skagit, Campbell Lake. A naturally formed lake approximately 0.75 square miles in size., 48.442717 -122.620567, 23m
WTU:V
375824 Ben Legler, David Giblin, Tad Dilhoff 2358 2004-09-03
U.S.A., Washington, Skagit, Sixteen Lake, east of La Conner., 48.34175 -122.289633, 107m
WTU:V
371256 Adolf Ceska, Oldriska Ceska, S. Husa'k 16433 1983-08-18
Canada, British Columbia, Vancouver Island; Quinsam Lake; Lower Quinsam Lake (not in Gazetteer)., 49.95 -125.383333
WTU:V
374256 Cheryl Lowe, Bay Renaud, Steve Hahn, Maria Gerace, Mignonne Bivin, David Giblin 08-22 2008-08-17
U.S.A., Washington, Whatcom, Ross Lake National Recreation Area. Thunder Lake. Midpoint of Lake on western shore., 48.69689 -121.10911, 411m
WTU:V
379240 P. F. Zika, Cathy Maxwell 19220 2003-10-01
U.S.A., Washington, Wahkiakum, North shore of Grays Bay, Columbia River., 46.31 -123.708333, 1m
WTU:V
417289 Jeff Walker, David Giblin, Ben Legler 601 2012-09-06
U.S.A., Washington, Skagit, Deception Pass State Park: Pass Lake, north shore., 48.419203 -122.639403, 14m
WTU:V
400940 David Giblin 3271 2009-09-30
U.S.A., Washington, Franklin, Scootenay Reservoir. Southeast area near boat launch with Populus tremuloides trees., 46.69994 -119.0232, 283m
WTU:V
409674 David Giblin 5791 2015-09-18
U.S.A., Washington, Grant, Buckshot Recreation Area. Area west of hunting blind approximately 300 meters north of parking area., 46.71344 -119.95304, 145m
WTU:V
419037 David Giblin, Ben Legler, Jeff Walker 3611 2010-08-24
U.S.A., Washington, Island, Deception Pass State Park. Cranberry Lake. Open water areas to southeast of swimming area on west side of lake; from near shoreline to depth of two meters., 48.3965 -122.6619, 1m
WTU:V
408850 Del Field, Steve Majerick s.n. 1995-08-16
U.S.A., Washington, King, Lake Name: Mcdonald., 47.471258 -122.07705
WTU:V
408849 Steve Majerick, Wendy Cook s.n. 1996-08-26
U.S.A., Washington, King, Lake Name: Geneva., 47.291821 -122.280899
WTU:V
408848 Del Field, Steve Majerick, Ed Merrill s.n. 1995-07-24
U.S.A., Washington, King, Lake Name: Desire., 47.441486 -122.10662
WTU:V
408847 Del Field, Steve Majerick s.n. 1995-08-24
U.S.A., Washington, King, Lake Name: Retreat., 47.352303 -121.942382
WTU:V
408843 Steve Majerick, Sharon Walton s.n. 1994-08-15
U.S.A., Washington, King, Lake Name: Pine., 47.588063 -122.045937
WTU:V
412202-B Peter F. Zika 29338 2016-08-27
Canada, British Columbia, Southeast shore of Mara Lake, North Okanagan Regional District., 50.7268 -119.0314, 335m
WTU:V
425768 Cathy Maxwell, Kathleen Sayce, David Giblin 1681 2010-09-23
U.S.A., Oregon, Clatsop, Julia Butler Hansen National Wildlife Refuge. Pillar Rock Island., 46.2501 -123.5827, 1m
WTU:V
427512 W. C. Muenscher, Babette I. Brown 23010 1950-07-07
U.S.A., Washington, Clallam, Swan Bay, Ozette Lake., 48.114025 -124.602058
WTU:V
Josh Wozniak WL-014 2019-08-29
U.S.A., Washington, King, Walsh Lake, 47.40793 -121.92884, 226m
WTU:V
234031 C. L. Hitchcock 24124 1965-09-22
U.S.A., Washington, Thurston, Hicks Lake, 4 miles east of Olympia, near public access area., 47.038029 -122.814476
WTU:V
282720 H. W. Bailey s.n. 1909-02-00
U.S.A., Washington, Snohomish, Hall Lake., 47.80778 -122.3075
WTU:V
331026 Thomas Howell s.n. 1882-09-00
U.S.A., Oregon, Sawvier's Island.
WTU:V
370895 Peter F. Zika, David Giblin, Cathy Maxwell, Ben Legler 22245 2005-08-30
U.S.A., Washington, Wahkiakum, Near and east of mouth of Deep River, north shore of Grays Bay, Columbia River, 0.7 kilometer northwest of Miller point., 46.31 -123.706667, 2m
WTU:V
Ben Legler 14598 2017-10-22
U.S.A., Washington, Snohomish, Along swimming beach at Thornton A. Sullivan Park on west shore of Silver Lake., 47.893695 -122.212785, 130m
WTU:V
152327 Jeanne Heckard, Lawrence R. Heckard 552 1953-09-16
U.S.A., Washington, King, Lake Washington off Beaux Arts Village (south of Bellevue)., 47.58389 -122.19444
WTU:V
68173 J. W. Slipp 41S16b2 1941-09-16
U.S.A., Washington, Pierce, Shaver Lake, on Muck Creek., 46.999819 -122.615721
WTU:V
234024 C. L. Hitchcock 24123 1965-09-22
U.S.A., Washington, Thurston, Hicks Lake, 4 mi E of Olympia, near public access area., 47.038029 -122.814476
WTU:V
319060 E. Burnett, M. Arnot 279a 1990-09-02
U.S.A., Washington, Whatcom, At west end of bridge south of Samish Lake Park., 48.646534 -122.371087, 83m
WTU:V
319061 E. Burnett, M. Arnot 279b 1990-09-02
U.S.A., Washington, Whatcom, At west end of bridge south of Samish Lake Park., 48.646534 -122.371087, 83m
WTU:V
361075 P. F. Zika, B. Legler 20198 2004-09-14
U.S.A., Washington, Mason, Extreme northeast end of Mason Lake, near boat ramp., 47.356667 -122.921667, 60m