WTU:V
195487 Wilhelm N. Suksdorf
U.S.A., Washington, Klickitat, detailed locality information protected
WTU:V
333453 Kathryn A. Beck, Florence E. Caplow
U.S.A., Washington, Franklin, detailed locality information protected
WTU:V
344121 D. Malkin
U.S.A., Washington, Grant, detailed locality information protected
WTU:V
340193 Curtis R. Bjork
U.S.A., Washington, Spokane, detailed locality information protected
WTU:V
331063 Richard R. Halse 4819 1994-08-08
U.S.A., Oregon, Sherman, Rufus, along the columbia River., 45.701 -120.7293, 49m
WTU:V
195486 Wilhelm N. Suksdorf
U.S.A., Washington, Klickitat, detailed locality information protected
WTU:V
72311 A. H. Holmgren 2128 1942-10-04
U.S.A., Montana, Garfield, [Place Name Redacted] Creek Divide., 47.466027 -107.812423
WTU:V
371899 Peter F. Zika
U.S.A., Washington, Franklin, detailed locality information protected
WTU:V
373588 Peter F. Zika 24172 2008-08-28
U.S.A., Oregon, Wasco, South shore of Columbia River, west of Dalles Dam, town of the Dalles., 45.603333 -121.145, 22m
WTU:V
375037 Kathryn A. Beck
U.S.A., Washington, Franklin, detailed locality information protected
WTU:V
379575 Richard Old
U.S.A., Washington, Asotin, detailed locality information protected
WTU:V
387712 Peter F. Zika 25813 2011-10-06
U.S.A., Oregon, Umatilla, South shore of Columbia River, north of Route 730, 3.5 road miles west of Umatilla., 45.91 -119.415, 85m
WTU:V
416482 Peter F. Zika 29097 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
Peter Dunwiddie, Peter Zika, Stacy Kinsell
U.S.A., Washington, Benton, detailed locality information protected
WTU:V
418822 Peter W. Dunwiddie, Peter F. 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 Dunwiddie, Peter Zika PWD-19-209 2019-07-26
U.S.A., Oregon, Morrow, Umatilla National Wildlife Refuge, McCormack Unit., 45.897872 -119.587014
WTU:V
Peter Dunwiddie, Peter Zika
U.S.A., Washington, Benton, 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, detailed locality information protected
WTU:V
339424 P. F. Zika 14237 1999-09-05
U.S.A., Washington, Clallam, North end of Lake Ozette., 48.1251 -124.6334, 11m
WTU:V
342560 P. F. Zika 14512 1999-10-04
U.S.A., Washington, Grays Harbor, Near Hogan Road, north shore of North Bay., 47.0471 -124.0734, 3m
WTU:V
340180 P. F. Zika, A. L. Jacobson 14050 1999-08-10
U.S.A., Washington, King, Near shore of Union Bay, Lake Washington, NE of stadium, Seattle., 47.6551 -122.2973, 4m
WTU:V
345478 Sarah Gage, Sharon Rodman G&R818 1992-09-12
U.S.A., Washington, Pacific, Beard's Hollow, Fort Canby State Park, Ilwaco., 46.308333 -124.070833, 23 - 76m
WTU:V
330449 David Thysell 568 1993-09-21
U.S.A., Washington, Pierce, Between South Cr. and Muck Cr., 47.01288 -122.43558, 125m
WTU:V
321575 Elroy Burnett 397 1991-07-07
U.S.A., Washington, Skagit, N side of Lake Cavanaugh Rd., 48.3327 -122.1482
WTU:V
283776 Cathy L. Maxwell 42 1980-09-12
U.S.A., Washington, Pacific, West Fork Grays River just downriver from bridge crossing river at hatchery., 46.3932 -123.5506, 30m
WTU:V
313683 Richard R. Halse 2838 1984-06-04
U.S.A., Oregon, Polk, Southwest of Monmouth on the Leonard Peters farm, 10630 Elkins Road, Monmouth., 44.7914 -123.2437, 75m
WTU:V
284433 C. L. Maxwell 390 1982-08-06
U.S.A., Washington, Pacific, Beards Hollow on Long Beach Peninsula west of Ilwaco., 46.30389 -124.07306
WTU:V
283774 Cathy Maxwell 271 1981-09-03
U.S.A., Washington, Pacific, West Fork Grays River., 46.3932 -123.5506, 30m
WTU:V
336891 P. F. Zika 13656 1998-10-19
U.S.A., Washington, Grays Harbor, 1 air kilometer southeast of Horseshoe Lake, south side of junction of Blake Road and Cranberry Road, Grayland., 46.8154 -124.0888, 5m
WTU:V
336895 Brent Haddaway s.n. 1996-09-15
U.S.A., Washington, King, Intersection of SR 900 and may Valley Road. Department of Transportation mitigation site (first year site)., 47.52028 -122.16139
WTU:V
373943 Peter F. Zika, David Giblin, Cathy Maxwell, Ben Legler 22226 2005-08-30
U.S.A., Washington, Wahkiakum, Floating wooden dock on east shore of Deep River, near mouth. Mary Stellar property, near west end of Warank Road, 1 air kilometer west-southwest of Oneida., 46.313333 -123.71, 3 - 3m
WTU:V
363166 Jeff Walker 320 2006-08-07
U.S.A., Washington, Kitsap, South of Lider Road SE and East of Blackjack Creek., 47.483306 -122.642584
WTU:V
363586 N. M. Buckingham 3200 1982-12-15
U.S.A., Washington, Clallam, Lake Ozette area., 48.155 -124.66583, 12m
WTU:V
363170 Jeff Walker 322 2006-08-22
U.S.A., Washington, Skagit, Judy Reservoir. Skagit PUD. Edge of Judy Reservoir., 48.4781 -122.17
WTU:V
374633 Ken Davis 03-120 2003-09-04
U.S.A., Washington, Pacific, The Nature Conservancy's Ellsworth Creek Preserve., 46.41065 -123.8889, 21m
WTU:V
368757 Peter F. Zika 23431A 2007-08-19
U.S.A., Washington, Klickitat, East side of Klickitat River, just above dammed waters of Columbia River, circa 1 air kilometer north of Lyle., 45.703333 -121.28, 25m
WTU:V
370694 P. F. Zika 11546 1992-05-14
U.S.A., Oregon, Multnomah, Old shore channel, delta of Sandy River, southern shore of Columbia River, northeast of Troutdale Airport., 45.5407 -122.3398, 6m
WTU:V
370747 P. F. Zika 11560A 1992-05-20
U.S.A., Oregon, Multnomah, Delta of Sandy River, south shore of Columbia River, northeast of Troutdale airport., 45.5553 -122.3807, 3m
WTU:V
373584 Peter F. Zika 24174 2008-08-28
U.S.A., Oregon, Wasco, South shore of Columbia River, west of Dalles Dam, town of the Dalles., 45.603333 -121.145, 22m
WTU:V
387353 Kathryn A. Beck 200943 2009-07-19
U.S.A., Washington, Lewis, 5 miles southeast of Chehalis., 46.6431 -122.8756
WTU:V
389706 Peter F. Zika 26159 2012-10-21
U.S.A., Washington, Cowlitz, East bank of Cowlitz River at small backwater, just south of center of town of Castle Rock., 46.264333 -122.9, 10m
WTU:V
377120 Jeff Walker 408 2009-09-29
U.S.A., Washington, Kittitas, At an old stockpile site near Gold Creek off Forest Service Road 4832., 47.3952 -121.3908
WTU:V
396053 Jeff Walker 669 2013-07-01
U.S.A., Washington, Pierce, On vacant parcel between Foss Waterway and Hylebos Waterway in Port of Tacoma., 47.26098 -122.37131
WTU:V
412128 Cathy Maxwell, Peter Zika, David Giblin 13-23 2013-08-26
U.S.A., Washington, Cowlitz, Beaver Bay Park. West end of park to west of parking area., 46.0613 -122.2763, 150m
WTU:V
412020 Cathy Maxwell 13-45 2013-08-27
U.S.A., Washington, Skamania, Swift Reservoir. Northeast end of reservoir. Parking area for boat launch and area west for 0.5 kilometers along shoreline., 46.05321 -122.09754, 306m
WTU:V
339206 P. F. Zika 14202 1999-08-31
U.S.A., Washington, Pacific, Near research station, Pioneer Road, 0.4 miles west of Sand Ridge Road, circa 2.5 air kilometers northeast of town of Long Beach., 46.3932 -124.0164, 5m
WTU:V
400191 Nick Otting 3199 2011-07-09
U.S.A., Washington, Cowlitz, West Cascades, Mount Saint Helens National Volcanic Monument, Hummocks Trail off Spirit Lake Highway, 33.5 air miles east-northeast of Longview., 46.27847 -122.26717, 762m
WTU:V
409340 David Giblin 5607 2015-06-16
U.S.A., Washington, King, Boeing Pond on east side of 59th Place South. Dried area on southeast corner of pond area., 47.42102 -122.25783, 33m
WTU:V
409562 David Giblin 5303 2014-06-18
U.S.A., Washington, Yakima, Okanogan-Wenatchee National Forest. Peninsula Recreation Area. Area just west of entrance road adjacent to day-use parking area. Rimrock Lake., 46.63916 -121.12345, 897m
WTU:V
407198 Ben Legler, Sara Legler 13401 2014-09-23
U.S.A., Washington, Lewis, Boat launch on east side of a pond along Ray Road on east side of Cowlitz River opposite Toledo., 46.432989 -122.84229, 8m
WTU:V
409512 Ben Legler 13901 2015-09-13
U.S.A., Washington, Cowlitz, Wetland on east shore of Columbia River 1.6 km due north of mouth of Lewis River., 45.869171 -122.778605, 3m
WTU:V
411078 Patricia Johnson NWCA16-4856-V1-Q1 2016-06-08
U.S.A., Washington, Pacific, Along Rue Creek., 46.60642 -123.67945
WTU:V
412628 Kathryn A. Beck 201226 2012-08-22
U.S.A., Washington, Pend Oreille, Pend Oreille River, Ruby Ferry., 48.520676 -117.294268, 623m
WTU:V
417460 Peter Dunwiddie, Sarah Krock, Rod Gilbert 16-174 2016-06-02
U.S.A., Washington, Pierce, Joint Base Lewis-McChord, TA 6., 47.04426 -122.56155
WTU:V
412564 Peter F. Zika, Sarah Krock 28207 2016-08-12
U.S.A., Washington, Pierce, Storm water outflow below pond L003, near paintball parking, Joint Base Lewis-McChord., 47.1038 -122.6009, 85m
WTU:V-Vascular
Ben Legler 14600 2017-10-22
U.S.A., Washington, King, Along west shore of Silver Lake just south of swimming beach at Thornton A. Sullivan Park., 47.891997 -122.214494, 131m
WTU:V
Peter Dunwiddie, Stacy Kinsell PWD-17-130 2017-05-14
U.S.A., Washington, Benton, Umatilla National Wildlife Refuge - Ridge Unit (East), 2.5 miles west of Paterson., 45.913515 -119.649422
WTU:V
445947 Peter Dunwiddie, Peter Zika, Stacy Kinsell PWD-17-151 2017-05-22
U.S.A., Washington, Benton, Umatilla National Wildlife Refuge - Ridge Unit (East), 2.5 miles west of Paterson., 45.913515 -119.649422
WTU:V
419690 Jeff Walker 947 2017-06-08
U.S.A., Washington, Grays Harbor, In Westport Light State Park., 46.89634 -124.12235, 4m
WTU:V
Peter W. Dunwiddie, Sarah Krock, Rod Gilbert PWD 16-174 2016-06-02
U.S.A., Washington, Pierce, JBLM, TA 6., 47.04426 -122.56155, 99m
WTU:V
Peter Dunwiddie, Rod Gilbert, Sarah Krock, Peter Zika PWD-16-220 2016-06-13
U.S.A., Washington, Pierce, JBLM, Artillery Impact Area, Range 76., 47.02694 -122.56934, 89m
WTU:V
420207 David Giblin 6380 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
425444 David Giblin, Peter Zika 5084 2013-08-26
U.S.A., Washington, Cowlitz, Yale Lake Park Marina area, west of parking area., 46.0253 -122.3193, 150m
WTU:V
423583 Walter Fertig, Dave Wilderman, Carlo Abbruzzese, & Blaine Kisler 32806 2018-06-18
U.S.A., Washington, Clark, West Cascades Ecoregion, Camp Bonneville, summit of Little Baldy, ca 1.3 miles E of Camas Creek, ca 6 miles N of Camas and 7 miles N of Columbia River., 45.678972 -122.402028, 451m
WTU:V
Jeff Walker 1396 2021-08-19
U.S.A., Oregon, Lincoln, Big Creek Reservoir, west of Newport., 44.65773 -124.03179, 24m
WTU:V
Daniel G. Christian s.n. 2021-07-11
U.S.A., Washington, Snohomish, Willis D. Tucker Community Park. About 0.3 air miles W of the junction of Puget Park Drive and Cathcart Way., 47.86275 -122.13769, 160m
WTU:V
David Giblin 8499 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
430657 Fred Weinmann, Ann Weinmann 447 2020-08-21
U.S.A., Washington, Jefferson, Jefferson County Fairgrounds., 48.133333 -122.782694
WTU:V
Josh Wozniak B-015 2022-08-11
U.S.A., Washington, Klickitat, Panakanic., 45.88754 -121.33065, 579m
WTU:V
Jeff Walker 1560 2023-10-11
U.S.A., Washington, Chelan, Walla Walla Point Park., 47.44597 -120.3177, 188m
WTU:V
Peter Zika, Peter Dunwiddie PWD-21-207 2021-08-24
U.S.A., Washington, Benton, On low gravel bar on island in Columbia River, 46.658531 -119.593994
WTU:V
320134 Catherine Hovanic s.n. 1990-09-02
U.S.A., Washington, Grant, Ca. 9 miles west of Moses Lake, near Desert Wildlife Area parking lot on Dodson Road where Winchester Wasteway intersects Dodson Road., 47.0518 -119.5456
WTU:V
343731 Sasha Shaw s.n. 2000-08-23
U.S.A., Washington, King, Duvall area, 322nd Ave NE, west side of road., 47.466123 -122.028128
WTU:V
261376 Ralph Naas, D. Naas 2565 1973-07-27
U.S.A., Washington, Okanogan, Okanogan, 1 mile NE, Okanogan River valley., 48.37158 -119.561363, 259m
WTU:V
173714 Xerpha M. Gaines, Al Overland, Adolph Lange 748 1952-07-02
U.S.A., Washington, Spokane, Along Spokane River near bridge ca. 2.5 miles E of Nine Mile Falls., 47.6167 -117.3667
WTU:V
26198 I. L. Norberg s.n. 1933-00-00
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
292547 W. J. Eyerdam s.n. 1933-08-11
U.S.A., Washington, King, Lake Sammamish., 47.60264 -122.09224
WTU:V
18584JWT J. William Thompson 8004 1931-08-18
U.S.A., Washington, King, Lake Washington near the University grounds., 47.66667 -122.30861
WTU:V
343737 Sasha Shaw s.n. 2000-08-23
U.S.A., Washington, King, Duvall area, 322nd Ave NE, west side of road., 47.466123 -122.028128
WTU:V
287776 D. R. Simpson 234 1964-08-21
U.S.A., Idaho, Canyon, Boise River at the east end of the old highway bridge, where the river emerges from between the basalt lava bluffs of Canyon hill, Caldwell., 43.805774 -117.00099
WTU:V
157828 E. R. Jackman s.n. 1954-08-00
U.S.A., Oregon, Malheur, Big Valley, near Harper., 43.859903 -117.612875
WTU:V
286370 Richard R. Halse 1871 1978-08-24
U.S.A., Idaho, Ada, Boise, Julia Davis Park; along the Boise River., 43.60419 -116.19345, 807m
WTU:V
284542 Barbara Ertter, Jeffery Strachan 3955 1980-08-14
U.S.A., Idaho, Ada, Northeast side of Boise River near old Strawberry Glen bridge and airport, west end of Boise., 43.60419 -116.19345, 793m
WTU:V
334136 Richard R. Halse 4289 1991-08-09
U.S.A., Idaho, Canyon, Along Wamstad Road by the bridge over the Boise River just south of Parma., 43.770192 -116.952088, 679m
WTU:V
383282 Ben Legler 2905 2005-07-29
U.S.A., Washington, Snohomish, Along Smith Island Road ca. 1/4 mile south of junction with 12th St NE, north of Langus Riverfront Park on Snohomish River, north of Everett., 48.005 -122.175556, 2m
WTU:V
373759 Ben Legler, Peter F. Zika, David Giblin 3022 2005-08-31
U.S.A., Washington, Cowlitz, Bog on north side of Pete Moore Island, west end of Silver Lake., 46.291667 -122.813333, 150m
WTU:V
370907 Peter F. Zika, David Giblin, Cathy Maxwell, Ben Legler 22254 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
370911 Peter F. Zika, David Giblin, Cathy Maxwell, Ben Legler 22254 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
364022 Del Field, Steve Majerick, Chuck Eberhart s.n. 1995-07-31
U.S.A., Washington, King, Cottage Lake., 47.754 -122.087
WTU:V
363970 Del Field, Steve Majerick s.n. 1995-07-27
U.S.A., Washington, King, Panther Lake, Kent., 47.4215 -122.188
WTU:V
363996 Del Field, Steve Majerick s.n. 1995-08-17
U.S.A., Washington, King, Kathleen Lake., 47.4783 -122.0881
WTU:V
377131 Ben Legler, David Giblin 3671 2006-10-05
U.S.A., Washington, Skagit, Campbell Lake. A naturally formed lake approximately 0.75 square miles in size., 48.436733 -122.6317, 23m
WTU:V
317189 M. Arnot, E. Burnett 222 1990-06-30
U.S.A., Washington, Chelan, Circa 100 meters from US2 on cutoff road to US 97 circa 1 mile southeast of Peshastin., 47.560594 -120.58761
WTU:V
368681 Peter F. Zika 22439 2005-09-26
U.S.A., Washington, Douglas, Bridgeport Bar, south shore Columbia River., 48.066667 -119.686667, 240m
WTU:V
368712 P. F. Zika 11690 1992-06-27
U.S.A., Oregon, Linn, Between railroad and Route 20, northwest of Crowfoot Road, southeast of Lebanon., 44.5116 -122.8991
WTU:V
371208 J. W. Eastham s.n. 1939-08-15
Canada, British Columbia, Chilliwack., 49.166667 -121.95
WTU:V
373294 Peter F. Zika 11839 1992-08-08
U.S.A., Oregon, Lincoln, Near inlet of Rock Creek, Lincoln City., 44.9647 -123.9986, 20m