WTU:V
9753JWT-A J. William Thompson 5929 1931-03-30
U.S.A., Washington, Mason, Near Potlatch., 47.37639 -123.14806
WTU:V
70989 W. C. Muenscher 16190 1943-09-12
U.S.A., Washington, Yakima, In stagnant slough along Yakima River., 46.611636 -120.552081
WTU:V
103870 W. J. Eyerdam 6338 1944-08-20
U.S.A., Washington, King, North 110st, seattle., 47.60639 -122.33083
WTU:V
306233 Harold E. Helmrich 394 1933-08-19
U.S.A., Washington, Mason, Mason County: Lilly ponds near Potlach., 47.36863 -123.15857
WTU:V
120767 J. W. Thompson s.n. 1948-07-21
U.S.A., Oregon, Columbia, Along Clatskanie creek, 5 miles above the town of Clatskanie on the Louis Thompson's Ranch., 46.050326 -123.148596
WTU:V
282356 Forman F157 1935-07-09
U.S.A., Oregon, Lake, Fremont forest., 1646m
WTU:V
148062 McCulloch s.n. 1952-10-07
U.S.A., Oregon, Coos, On a log pond.
WTU:V
331036 Richard R. Halse 4501 1992-06-20
U.S.A., Oregon, Benton, West of Corvallis off of Oak Creek road in a small pond by the road going to Bald Hill park., 96m
WTU:V
344533 Sarah Gage, Sharon Rodman G&R 078 1992-05-23
U.S.A., Washington, Yakima, Yakima River bars, Yakima Greenway Park, Yakima., 46.616667 -120.483333, 305m
WTU:V
358330 A. R. Sweet, A. L. Sweet, C. Young 1003 1969-08-20
U.S.A., Oregon, Columbia, On the ranch of Clyde Holmes 2 miles above Clatskanie., 46.078286 -123.226699
WTU:V
358331 Harold E. Helmrich 394 1933-08-19
U.S.A., Washington, Mason, Lilly ponds near Potlach., 47.36863 -123.15857
WTU:V
382362 Ben Legler 2380 2005-03-05
U.S.A., Washington, Skagit, Skagit Wildlife Area at mouth of Skagit River; ditch along dike on northwest side of freshwater Slough ca. 1/2 mile southwest of boat launch at end of Mann road., 48.321944 -122.375556, 2m
WTU:V
382618 Ben Legler 2370 2004-12-16
U.S.A., Washington, Skamania, On southwest shore of Franz Lake, Franz Lake National Wildlife Area 2 miles west of Skamania., 45.603889 -122.08, 8m
WTU:V
9753JWT-B M. W. Gorman 5061 1920-07-19
U.S.A., Oregon, Clackamas, Oswego Lake., 45.411338 -122.691763
WTU:V
368507 P. F. Zika, F. Weinmann 22475 2005-10-04
U.S.A., Washington, Jefferson, Near Willamette Street, east of Winona Wetland, Quimper Wildlife Corridor, Port Townsend, Quimper Peninsula., 48.133333 -122.8, 10m
WTU:V
368508 Peter F. Zika 23455 2007-08-15
U.S.A., Washington, Pacific, East side of Smith Anderson Road, circa 1.5 kilometers north of Route 105, north end of Willapa Bay, Heather., 46.746667 -124.066667, 5m
WTU:V
368666 Peter F. Zika 23451A 2007-08-20
U.S.A., Washington, Clark, Near town of Ridgefield., 45.833333 -122.75, 10m
WTU:V
368667 P. F. Zika, E. R. Alverson 22632 2005-10-24
U.S.A., Oregon, Lane, Below East Bank Bike Path, Delta Ponds, just east of Willamette River and north of Valley River Center Mall, Eugene., 44.075 -123.111667, 120m
WTU:V
368668 Peter F. Zika 22614 2005-10-13
U.S.A., Washington, Klickitat, North side of Route 14, Bingen Gap, north shore of Columbia River., 45.7 -121.426667, 25m
WTU:V
368820 Peter F. Zika 23462 2007-08-15
U.S.A., Washington, Grays Harbor, Cranberry Road, Grayland., 46.806667 -124.086667, 5m
WTU:V
379248 Peter F. Zika 19192 2003-09-30
U.S.A., Oregon, Clatsop, Between Ziak-Gnat Creek Lane and railroad, circa 1 kilometer northeast of Brownsmead, east of Long Island, south shore of Columbia River., 46.225 -123.53, 7m
WTU:V
414713 David Giblin 5476 2014-11-05
U.S.A., Washington, Yakima, Yakima River at Washington Department of Fish and Wildlife parking area on North Meyers Road approximately 500 meters south of Interstate 82., 46.40067 -120.281, 242m
WTU:V
408232 David Giblin 5498 2015-04-04
U.S.A., Washington, Pierce, Spanaway Marsh area., 47.09743 -122.45229, 110m
WTU:V
417877 Jeff Walker, Ben Legler, David Giblin 516 2010-08-24
U.S.A., Washington, Island, Deception Pass State Park. Cranberry Lake. East and southeast side of lake., 48.3905 -122.6502, 2m
WTU:V
407784 Ben Legler, Sara Legler 13407 2014-12-13
U.S.A., Washington, King, South side of Magnuson Park in restoration area just west of Lake Shore Drive opposite boat launch; Seattle., 47.676919 -122.253291, 8m
WTU:V
407722 David Giblin 5821 2015-11-05
U.S.A., Washington, Kittitas, Yakima River Canyon along bank of Yakima River., 46.88515 -120.47976, 425m
WTU:V
428656 Ben Legler 14410 2016-09-24
U.S.A., Washington, King, Along a constructed stream channel in wetland restoration site on northeast side of confluence of Bear Creek and Evans Creek; Redmond., 47.680761 -122.089885, 16m
WTU:V
409773 Peter F. Zika 28104 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
412129 Peter F. Zika, Sarah Krock 28236 2016-08-12
U.S.A., Washington, Pierce, Oxbow, Training Area 18, Joint Base Lewis-McChord, 100 meters southeast of bridge over Nisqually River., 46.9864 -122.63099, 30m
WTU:V
412746 Peter F. Zika, Richard Brainerd. 28555 2016-10-11
U.S.A., Oregon, Linn, Excavated pools between Dead River and SE shore of Willamette River, Truax Island, 11.1 air km SE of Dimple Hill., 44.5836 -123.1837, 60m
WTU:V
417388 Peter F. Zika 29166 2018-02-09
U.S.A., Washington, Clark, Pond below SW side of Route 501, 0.5 air km S of Vancouver Lake, Vancouver., 45.6579 -122.7335, 5m
WTU:V
418027 Lowell Ahart, John Dittes 21,309 2016-08-25
U.S.A., California, Tehama, T30N, R4W, undesignated Section of San Buenaventura Land Grant; along a dirt roat; about 200 yards west of the Sacramento River; Anderson River Park; 0.7 miles (air) upstream from Stillwater Creek Confluence; 1.8 miles (air) northwest of Balls Ferry Road exit from Interstate 5 in Anderson., 40.470806 -122.261528, 117m
WTU:V
418884 Peter W. Dunwiddie, Peter F. Zika PWD 18-417 2018-08-11
U.S.A., Washington, Klickitat, Shallow backwater on the N shore of Lake Umatilla, 2.8 km WSW of the SW end of Crow Butte., 45.83825 -119.89238, 80m
WTU:V
420219 David Giblin 6426 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
420619 David Giblin 6456 2018-09-13
U.S.A., Washington, Skamania, Icehouse Lake and adjacent old beaver ponds on north end. North side of Highway 14 at intersection with Bridge of the Gods., 45.66138 -121.90633, 49m
WTU:V
423738 David Giblin 3646 2010-10-07
U.S.A., Washington, Grays Harbor, Black River. Washington Department of Fish and Wildlife boat launch area on south side of Highway 12., 46.82992 -123.18567, 30m
WTU:V
372345 P. F. Zika 15738B 2000-12-24
U.S.A., Hawaii, Southeast shore of Kahana Bay, near Trout Farm Road, Route 83.<br/>Windward northeast shoreof O'ahu., 21.558333 -157.866667, 5m
WTU:V
201542 Malcolm A. Nobs, S. Galen Smith 89 1948-07-12
U.S.A., California, Merced, Roadside ditch, 2.4 miles north of Volta schoolhouse on road to Gustine., 37.123715 -120.925283
WTU:V
333303 J. J. Thornber 4500 1904-04-05
U.S.A., Arizona, Pima, Fort Lowell, Rillito Valley., 32.260076 -110.873978
WTU:V
413560 Lowell Ahart 20652 2015-11-18
U.S.A., California, Butte, On the west side of the Feather River, about one mile south of Palm Avenue, about 2 miles southeast of the intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley., 39.403194 -121.619194, 88m
WTU:V
413617 Lowell Ahart 20570 2015-10-20
U.S.A., California, Butte, On the west side of the Feather River, about halfway of and east of One Mile Pond, about 6 miles (air) east of Biggs., 39.420723 -121.630548, 27m
WTU:V
413601 Lowell Ahart 19338 2014-04-09
U.S.A., California, Butte, About 50 yards west of the parking area, west end of West Liberty Road, about one mile (air) south of Colusa Highway, about 7 miles (air) southwest of Gridley., 39.347494 -121.845847, 20m
WTU:V
199424 N. Maruyama, K. Okamoto 1606 1957-10-29
Japan, Chiba, Honshu: Shirahama in Awa.
WTU:V
124768 S. B. Parish, W. F. Parish s.n.
U.S.A., California, San Bernardino, San Bernardino Valley., 34.108345 -117.289765
WTU:V
Peter Dunwiddie, Peter Zika PWD-18-347 2018-07-10
U.S.A., Washington, Klickitat, Downriver from Crow Butte., 45.83825 -119.89238
WTU:V
Peter F. Zika, Peter Dunwiddie PWD-18-417 2018-08-11
U.S.A., Washington, Klickitat, Ca. 3km west of Crow Butte., 45.83825 -119.89238
WTU:V
Peter F. Zika, Peter Dunwiddie PWD-18-443 2018-08-12
U.S.A., Oregon, Gilliam, 2.6 miles up Columbia River from Arlington., 45.75188 -120.16967
WTU:V
333523 Lowell Ahart 6473 1990-05-20
U.S.A., California, Butte, About 1/4 mile south of the Feather River, about 4/10 mile west of Pacific Heights Road, about 4 1/2 miles south-west of Oroville.<br/>, 39.464242 -121.591388, 30m
WTU:V
201544 Malcolm A. Nobs, S. Galen Smith. 1593 1949-08-26
U.S.A., California, San Mateo, Mouth of Pescadero Creek., 37.248222 -122.324414
WTU:V
126714 Philip A. Munz 11658 1947-03-15
U.S.A., California, San Bernardino, Afton Canyon, Mohave River, Mohave Desert., 35.048245 -115.466412, 488m
WTU:V
201543 Malcolm A. Nobs, S. Galen Smith 1246 1949-08-09
U.S.A., California, Humboldt, Clam Beach., 40.99457 -124.112011
WTU:V
113210 Henry M. Pollard s.n. 1946-10-13
U.S.A., California, Ventura, Near Foster Park., 34.352493 -119.314527
WTU:V
235602 Ira L. Wiggins 20,793 1967-09-14
U.S.A., California, Monterey, Drainage ditch on north side of California Highway 1, 2 miles N of Salinas River., 36.778406 -121.803562
WTU:V
26793JWT C. L. Hitchcock 6242 1940-04-30
U.S.A., California, Inyo, 4 miles west of Lone Pine., 36.606023 -118.135128
WTU:V
76839 John Roos 2012 1937-06-11
U.S.A., California, San Diego, Otay Lake., 32.63066 -116.927224
WTU:V
224703 Carl V. Meyer 794 1927-07-12
U.S.A., California, San Diego, Pools in San Luis Rey River near Rincon., 33.28843 -116.954163
WTU:V
142407 J. N. Rose, & J. H. Painter 6878 1903-09-09
Mexico, Morelos, Springs of Chapultepec, near Cuernavaca., 18.933725 -99.228488
WTU:V
64944 C. L. Hitchcock 6242 1940-04-30
U.S.A., California, Inyo, 4 miles west of Lone Pine., 36.606023 -118.135128
WTU:V
277677 G. N. Jones 43362 1966-09-29
U.S.A., Illinois, Kankakee, IN shallow pools at edge of Kankakee River, near Altorf, northwest of Kankakee., 41.159966 -87.92335
WTU:V
112593 Otto Degener 12913 1940-09-15
U.S.A., Hawaii, [no locality given on label]., 20.822535 -157.183188
WTU:V
146107 Otto Degener, & G. Dawson. 12,913 1940-09-10
U.S.A., Hawaii, Kwaihapai, Oahu, T. Hawaii.
WTU:V
9751JWT-B Lyman Benson 2579 1931-02-02
U.S.A., California, Santa Clara, San Francisquito Creek, 6m
WTU:V
WTU-V-058052 W. C. Muenscher 16190 1943-09-12
U.S.A., Washington, In stagnant slough along Yakima River., 46.252913 -119.230849
WTU:V
205106 Joseph P. Tracy 15197 1936-10-11
U.S.A., California, Mendocino, Longvale., 39.555159 -123.429735
WTU:V
313016 Otto Degener, Isa Degener 35788b 1984-05-03
U.S.A., Hawaii, Hawaii, Punaluu, Kau.
WTU:V
112636 P. O. Schallert 3711 1945-11-11
U.S.A., California, Monterey, Carmel River near Carmel., 36.537003 -121.927559
WTU:V
205107 Joseph P. Tracy 2143 1904-09-11
U.S.A., California, Humboldt, Fields Landing., 40.724571 -124.21506, 30 - 91m
WTU:V
112313 Otto Degener 12913 1940-09-15
U.S.A., Hawaii, Honolulu, Kawaihapai, Oahu.
WTU:V
9753JWT M. W. Gorman 5061 1920-07-19
U.S.A., Oregon, Clackamas, Oswego Lake., 45.412 -122.688587
WTU:V
9751JWT-A J. William Thompson 9958 1933-08-18
U.S.A., Washington, Mason, On quiet pool near Potlatch., 47.376669 -123.157218
WTU:V
127203 J. Prudhomme 323 1948-10-14
France, Cher, En masse sur une mare du lit de l'Allier à 100 m. en aval du viaduc de Guétin, rive gauche., 46.854367 3.054832
WTU:V
292967 W. J. Eyerdam 6338 1944-08-20
U.S.A., Washington, King, N. 110th St, Seattle., 47.708549 -122.348286
WTU:V
62598 R. M. Tryon Jr., R.K.Godfrey (no. 907) 903 1939-07-26
U.S.A., South Carolina, Clarendon, Floating on pond in swamp of Black River, 1 mile southwest of Sardinia., 33.824068 -80.095204
WTU:V
423926
U.S.A., Montana, Ravalli, In private pond (Tucker Crossing Ranch), 4.4 air km SE of Victor., 46.38 -114.114, 1061m
WTU:V
David Giblin 8545 2021-09-23
U.S.A., Washington, Grant, WDFW land approximately 1 km northeast of boat launch on Road M SE., 46.99633 -119.21083, 310m
WTU:V
11473 L. M. Sundquist 1810 1968-07-31
U.S.A., Washington, King, Lake Sammamish, SW shoreline., 47.64194 -122.07917
WTU:V
272824 Ralph Naas, Dorothy Naas 3630 1977-09-01
U.S.A., Washington, Island, Oak Harbor, 5 miles NNE, Dugualla Bay., 48.3565 -122.59715
WTU:V
274321 William N. Suksdorf 1216 1892-11-01
U.S.A., Washington, Klickitat, In ponds near the Columbia River., 45.67015 -120.8783
WTU:V
271673 R. Naas, D. Naas 3631 1977-09-01
U.S.A., Washington, Island, Oak Harbor, 5 miles NNE, Dugualla bay., 48.3565 -122.59715
WTU:V
331709 J. F. Smith 3000 1994-07-02
U.S.A., Idaho, Gem, Montour Wildlife area., 43.833333 -116.3, 800m
WTU:V
9750JWT Morton E Peck s.n. 1920-09-00
U.S.A., Oregon, along the Willamete River, Salem, Oregon.
WTU:V
364864 Don Knoke, Edward Lisowski 772 2005-06-19
U.S.A., Washington, Yakima, Along US 410 near junction with US 12., 46.748417 -120.793133, 491m
WTU:V
274321 William N. Suksdorf 1216 1885-11-15
U.S.A., Washington, Klickitat, Bingen., 45.726097 -121.457248
WTU:V
369362 Fred Weinmann 316 2005-10-30
U.S.A., Washington, Jefferson, Port Townsend; near the south ends of Willamette and Emerald Streets where the Willamette Street trail begins., 48.133267 -122.8053
WTU:V
400943 David Giblin, Cathy Maxwell, Joe Arnett 2509 2008-09-08
U.S.A., Washington, Wahkiakum, Julia Butler Hansen Refuge for Columbian White-tailed Deer. Steamboat Slough; bank of Columbia River just off road., 46.24875 -123.43319, 7m
WTU:V
387676 David Giblin 2479 2008-09-05
U.S.A., Washington, Grant, Turnout east side of road along Morgan Lake Road., 46.91834 -119.23901, 252m
WTU:V
396391 J.A. Calder, D.B.O. Savile, J.M. Ferguson 15798 1954-09-14
Canada, British Columbia, 1/2 mile west of Solsqua road along road between Sicamous and Revelstoke., 50.983333 -118.2
WTU:V
356646 J.A. Calder, D.B.O. Savile, J.M. Ferguson 15798 1954-09-14
Canada, British Columbia, 1/2 mile west of Solsqua road along road between Sicamous and Revelstoke., 50.983333 -118.2
WTU:V
403297 A. R. Sweet, A.L. Sweet & C. Young 1001 1969-08-15
Canada, British Columbia, 4 miles west of Sicamous; immediately south of Highway #1.
WTU:V
402355 Clayton Haberman s.n. 2005-07-19
U.S.A., Washington, Snohomish, Source unknown "greenhouse".
WTU:V
409825 Peter F. Zika 27983 2016-06-27
U.S.A., Washington, King, Valley Creek, north side of Southeast 8th Street, Wilburton, Bellevue., 47.6038 -122.1798, 10m
WTU:V
418024 Lowell Ahart 21342 2016-09-04
U.S.A., California, Butte, Rice field, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles (air) south of Oroville., 39.360806 -121.529444, 31m
WTU:V
81366 Marion Ownbey s.n. 1936-10-30
U.S.A., Illinois, St. Clair, Pittsburg Lake.
WTU:V
373251 P. F. Zika 14942 2000-04-22
Brazil, Lago Sao Paulo, south bank of Rio Solimoes, 5 kilometers west of Sao Paulo de Olivenca., -3.465 -68.998333
WTU:V
373247 P. F. Zika 13739 1999-03-31
Ecuador, Galapagos Islands.<br/>Devine Ranch, Santa Cruz Island., -0.666667 -90.416667
WTU:V
81367 Marion Ownbey s.n. 1937-11-07
U.S.A., Illinois, St. Clair, About one mile east of Falling Spring., 38.527986 -90.167466
WTU:V
142397 J. N. Rose, P. C. Standley & P. G. Russell. 14647 1910-04-15
Mexico, Sinaloa, In pools, vicinity of Rosario.