WTU:V
23790JWT J. William Thompson 938 1926-06-01
U.S.A., Washington, Clark, Near Vancouver., 45.65 -122.660833
WTU:V
24136 L. R. Abrams 11326 1926-07-12
U.S.A., Washington, Cowlitz, Oak Point., 46.19111 -123.1875
WTU:V
100644 T. H. Scheffer s.n. 1945-09-25
U.S.A., Washington, Grant, Coulee City. ., 47.61139 -119.29111
WTU:V
288939 D. R. Simpson 322 1965-08-29
U.S.A., Washington, Grays Harbor, Along Wildcat Creek, about 5 miles N.E. of Elma., 47.0466 -123.3158
WTU:V
6563 J. M. Grant 2063 1923-07-00
U.S.A., Washington, Island, Langley, Whidbey Island., 48.04028 -122.405
WTU:V
288909 D. R. Simpson 369 1967-09-17
U.S.A., Washington, King, University of Washington Campus, Seattle., 47.6551 -122.2973
WTU:V
325633 Richard R. Halse 4558 1992-09-14
U.S.A., Washington, Klickitat, Lyle, on a shoal by mouth of Klickitat River (southeast side) in the Columbia River., 45.69067 -121.28762, 22m
WTU:V
39191 J. B. Flett s.n. 1896-09-00
U.S.A., Washington, Pierce, Roadsides., 47.00675 -122.20434
WTU:V
325004 Scott R. Atkinson 475 1992-08-17
U.S.A., Washington, San Juan, Orcas Island, Cascade Lake, near public swimming area, east side., 48.648056 -122.8475
WTU:V
315356 Mildred Arnot 131 1988-07-07
U.S.A., Washington, Snohomish, Arlington., 48.19889 -122.12389
WTU:V
23805 Sister Mary Millburge 628 1932-09-26
U.S.A., Washington, Spokane, Edge of Spokane River., 47.65889 -117.425
WTU:V
357787 P. F. Zika, David Giblin, Sharon Rodman and 2 TNC volunteers 18959 2003-09-04
U.S.A., Washington, Pacific, The Nature Conservancy's Ellsworth Creek Preserve, East end. South bank of Naselle River mouth, at mouth of Ellsworth Creek., 46.423333 -123.878333
WTU:V
262978 Wilhelm N. Suksdorf 11794 1924-09-19
U.S.A., Washington, Klickitat, Bingen., 45.726097 -121.457248
WTU:V
21811 Geo. N. Jones 3712 1931-08-00
U.S.A., Washington, Grays Harbor, Olympic Peninsula; Humptulips., 47.23306 -123.95806
WTU:V
21812 Geo. N. Jones 3617 1931-08-00
U.S.A., Washington, Grays Harbor, Olympic Peninsula; Humptulips., 47.23306 -123.95806
WTU:V
171794 Mary Eager 28 1947-07-27
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
150094 Anita Watson 7 1949-08-09
U.S.A., Washington, King, Mud Lake, 4 miles northeast of Kirkland., 47.722594 -122.146691
WTU:V
315840 Ruby L. C. Sovereign 327 1940-07-14
U.S.A., Washington, King, 7227 6th Avenue Northwest, Seattle., 47.60639 -122.33083
WTU:V
23838JWT J. William Thompson 5239 1930-07-15
U.S.A., Washington, King, On Beacon Avenue, Seattle., 47.60639 -122.33083
WTU:V
22801 Geo. Neville Jones 4348 1931-07-00
U.S.A., Washington, King, Near Kent., 47.38111 -122.23361
WTU:V
6590 T. C. Frye s.n. 1904-10-10
U.S.A., Washington, King, Along side of roads about University of Washington; along shore of Lake Union, on campus, Seattle., 47.639504 -122.335145
WTU:V
6591 T. C. Frye s.n. 1904-03-15
U.S.A., Washington, King, Seattle, University Campus., 47.60639 -122.33083
WTU:V
6408 C. V. Piper 432 1888-07-29
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
171795 Mary Eager 28 b 1947-07-27
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
5091 G. L. Wittrock S-82 1927-10-22
U.S.A., Washington, King, Lake Forest Park, Seattle., 47.75694 -122.27972
WTU:V
323930 Frank B. Lenzie 521 1918-08-18
U.S.A., Washington, Chelan, Wenatchee., 47.42361 -120.30917, 549m
WTU:V
353008 Peter F. Zika 14472 1999-10-02
U.S.A., Oregon, Clatsop, Junction of Delmoor Loop Road and Lounsberry Road, 1 mile south southwest of Cullaby Lake., 46.0618 -123.9067, 3m
WTU:V
163066 Garland M. Powell s.n. 1939-07-29
U.S.A., Oregon, Lincoln, Waldport-Yachats Beach., 44.369667 -124.088808
WTU:V
295022 William H. Baker 8776 1951-08-29
U.S.A., Idaho, Cassia, Two miles northeast of Elba., 42.24833 -113.56056
WTU:V
48910 D. R. Hudson 240 1938-08-01
U.S.A., Montana, Sanders, Wasten Bang Forest. Clark Basin., 47.5056 -114.5315, 1006m
WTU:V
91771 C. L. Hitchcock, C. V. Muhlick 11326 1944-08-20
U.S.A., Idaho, Custer, 6 miles west of May., 44.604375 -114.033156
WTU:V
295070 William H. Baker 8410 1951-08-07
U.S.A., Idaho, Canyon, Seven miles southwest of Nampa., 43.54083 -116.5625
WTU:V
243372 H. T. Rogers, J. M. Rogers 1192 1942-08-06
U.S.A., Montana, Sanders, Dam across Little Bitterroot River just above its confluence with Mill Creek, about 2 miles west of Niarada., 47.839783 -114.677288
WTU:V
243770 J. Francis Macbride 312 1910-06-28
U.S.A., Idaho, Canyon, Falk's Store., 671m
WTU:V
14011 J. Francis Macbride 312 1910-06-28
U.S.A., Idaho, Canyon, Falk's Store., 671m
WTU:V
271418 R. F. Daubenmire 44458 1944-09-08
U.S.A., Idaho, Bonner, Falls Ranger Station., 48.28167 -116.95306
WTU:V
241964 J. A. Calder, R. L. Taylor 23683 1957-08-23
Canada, British Columbia, About 6 miles alongroad from Skidegate Mission to Tlell.
WTU:V
24250JWT J. William Thompson 350 1925-09-10
U.S.A., Oregon, Multnomah, East Portland., 45.511319 -122.476529
WTU:V
23791JWT J. William Thompson 1666 1926-08-10
U.S.A., Oregon, Columbia, At auto park, Clatskanie., 46.101222 -123.206786
WTU:V
129455 William H. Baker 4668 1947-08-01
U.S.A., Oregon, Curry, Along the Rogue River banks at Cherry Flat, 4 miles north of Agness.
WTU:V
295069 William H. Baker 8424 1951-08-08
U.S.A., Idaho, Canyon, 4 miles northwest of Nampa., 43.581786 -116.619019
WTU:V
295343 W. E. Booth 54636 1954-07-18
U.S.A., Montana, Carbon, From about 1 to 15 miles north of the Wyoming line north of Lovell, Wyoming., 45.132067 -108.394486
WTU:V
288672 Klaus H. Lackschewitz 7494 1977-07-19
U.S.A., Montana, Missoula, MacClays Bitterroot Meadows., 963m
WTU:V
295201 William H. Baker 11077 1953-08-18
U.S.A., Idaho, Blaine, Growing in Carey Lake, at Carey., 43.30778 -113.94389
WTU:V
295342 William H. Baker 8351 1951-07-30
U.S.A., Idaho, Canyon, West Namp.
WTU:V
6371A Louis F. Henderson s.n. 1892-09-09
U.S.A., Washington, Pierce, Lakeview., 47.15944 -122.49694
WTU:V-Vascular
6371B Louis F. Henderson s.n. 1892-09-09
U.S.A., Washington, Clark, Lindsley's; mouth of Lewis River., 45.8591 -122.77794
WTU:V
364947 Don Knoke 964 2005-08-22
U.S.A., Washington, Kittitas, Irrigation ditch bank at 15021 North Thorp Highway., 47.095833 -120.6981, 511m
WTU:V
378001 David Giblin, Ben Legler 742 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
368016 Jeff Walker 336 2007-10-18
U.S.A., Washington, Whatcom, North of Grandview Road, between Blaine Road and Jackson Road., 48.896931 -122.738277
WTU:V
369775 P. F. Zika 14253 1999-09-07
U.S.A., Oregon, Coos, Randolph Road, 6 kilometers north of Bandon., 43.1704 -124.3676, 50m
WTU:V
370743 P. F. Zika 11585 1992-05-27
U.S.A., Oregon, Lane, Weyerhauser Mill, south of McKenzie River, Springfield., 44.0486 -122.9539, 146m
WTU:V
376314 Pam Camp 855 1981-07-30
U.S.A., Washington, Pend Oreille, Pend Oreille River. West shore., 48.9535 -117.3306
WTU:V
380384 David Giblin 2277 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
380704 David Giblin 2349 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
380464 David Giblin 2463 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
398761 Joe Arnett, Cathy Maxwell 2008-313 2008-09-08
U.S.A., Washington, Wahkiakum, Skamokowa Vista Park. Shoreline and adjacent man-made pit behind shoreline beach., 46.26966 -123.46208, 7m
WTU:V
386180 Peter Zika, J. Smith, D. Mansfield, D. Giblin 23224 2007-07-22
U.S.A., Oregon, Harney, Near Knox Pond., 42.891667 -118.881667, 1275m
WTU:V
386137 David Giblin 1040 2007-07-22
U.S.A., Oregon, Harney, Malheur National Wildlife Refuge. Center Patrol Road. Knox Pond., 42.891667 -118.881667, 1275m
WTU:V
396091 Cathy Maxwell, Kathleen Sayce, Joe Arnett, David Giblin 08-21 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
397076 Regina Johnson 2013-063 2013-06-17
U.S.A., Washington, Thurston, West Olympia, Yauger Park, in stormwater retention area., 47.0405 -122.94, 61m
WTU:V
400676 Barbara L. Wilson 16999 2011-09-16
U.S.A., Oregon, Benton, North Albany; corner of Northwest Hickory Street and North Albany Road., 44.644078 -123.113903, 61m
WTU:V
401692 Clayton Haberman s.n. 2008-09-08
U.S.A., Washington, Snohomish, East side Marine Drive, Warm Beach Senior Community, Stanwood., 48.179583 -122.34966
WTU:V
401872 Clayton Haberman s.n. 1987-07-03
U.S.A., Washington, Snohomish, Happy Valley Tree Farm., 48.187751 -122.262495
WTU:V
338194 Sarah Gage 1680 1995-09-01
Russia, Sakhalin, Kuril Archipelago: Kunashir, environs of Lake Algier., 44.047222 145.741111, 20m
WTU:V
412456 Peter F. Zika, Sarah Krock 28211 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
412253 Peter F. Zika 28268 2016-08-14
U.S.A., Oregon, Clatsop, Junction of Routes 101 and 104, Clatsop Station., 46.1293 -123.9289, 8m
WTU:V
414108 Roger T. George 2017-10 2016-08-10
U.S.A., Washington, Clark, Lacamas Prairie Natural Area Preserve., 45.643694 -122.458667, 58m
WTU:V
418475 Jeff Walker 1089 2018-08-31
U.S.A., Washington, Columbia, Along shoreline of Snake River at Little Goose Landing., 46.58548 -118.00357, 195m
WTU:V
418471 Jeff Walker 1106 2018-10-16
U.S.A., Washington, Spokane, Along the banks of a backwater of Spokane River in Centennial Trail State Park in City of Millwood., 47.69062 -117.26431, 585m
WTU:V
424776 David Giblin 5658 2015-08-24
U.S.A., Washington, Mason, Dewatto River Road, approximately 1 kilometer north of intersection with Dewatto Beach Road., 47.45309 -123.04805
WTU:V
425055 David Giblin 5462 2014-09-12
U.S.A., Washington, Grant, North end of Rocky Ford Creek., 47.31363 -119.44724, 332m
WTU:V
WTU-V-066666 Jeff Walker 1383 2021-08-15
U.S.A., Washington, Lewis, McMurphy Park in Vader., 46.41039 -122.96755, 38m
WTU:V
427153 David Giblin 7076 2019-08-26
U.S.A., Washington, Grays Harbor, Olympic National Forest. Forest Service Road 2240. West Fork Humptulips River approximately 2 kms east of Gorge Bridge Trailhead., 47.38475 -123.78097, 100m
WTU:V
427823 David Gross 2081 2020-10-02
U.S.A., Oregon, Harney, An Moon Reservoir off North 00 Road., 43.415249 -119.409815
WTU:V
427557 Heimerl s.n. 1924-08-12
Austria, Niederösterreich, Wassergräben bis Gummpoldo-Kirhin, sudlich von Wien [Vienna]., 48.216667 16.383333
WTU:V
Peter Zika, Peter Dunwiddie PWD-21-184 2021-08-23
U.S.A., Washington, Grant, Vernita Bridge boat launch, 46.638844 -119.745531
WTU:V
208006 Wilbur Bluhm s.n. 1961-09-14
U.S.A., Oregon, Marion, Northeast Salem. 2605 Laurel Avenue.
WTU:V
380279 Dick Jacobson s.n. 2007-10-16
U.S.A., Washington, Yakima, Near Federal Way, Sunnyside., 46.311667 -120, 225m
WTU:V
380278 Dick Jacobson s.n. 2007-10-16
U.S.A., Washington, Yakima, Near Federal Way, Sunnyside., 46.311667 -120, 225m
WTU:V
396444 R. E. Brainerd 2273 2013-10-24
U.S.A., Oregon, Benton, Northwest Corvallis, west side of Highway 99E just south of intersection with Elks Drive., 73m
WTU:V
400292 R. E. Brainerd 2273 2013-10-24
U.S.A., Oregon, Benton, Northwest Corvallis, west side of Highway 99E just south of intersection with Elks Drive., 73m
WTU:V
400293 R. E. Brainerd 2273 2013-10-24
U.S.A., Oregon, Benton, Northwest Corvallis, west side of Highway 99E just south of intersection with Elks Drive., 73m
WTU:V
262476 Wilhelm N. Suksdorf 1412 1893-09-15
U.S.A., Washington, Klickitat, Bingen., 45.726097 -121.457248
WTU:V
334415 Richard R. Halse 4988 1995-09-23
U.S.A., Oregon, Lane, Along Ferguson Road, 1.4 miles west of its junction with State Highway 99 west., 44.25154 -123.25159, 64m
WTU:V
23786JWT J. William Thompson 3838 1927-09-09
U.S.A., Oregon, Multnomah, Low ground on Sauvies Island., 45.679341 -122.822095
WTU:V
263070 Wilhelm N. Suksdorf 6935 1909-10-02
U.S.A., Washington, Klickitat, Bingen., 45.726097 -121.457248
WTU:V
263077 Wilhelm N. Suksdorf 10599 1920-08-17
U.S.A., Washington, Klickitat, Bingen., 45.726097 -121.457248
WTU:V
195021 C. L. Hitchcock, C. V. Muhlick 21940 1959-08-06
U.S.A., Montana, Ravalli, Adjacent to Highway, 15 miles north of Hamilton., 46.464315 -114.154816
WTU:V
149231 A. N. Steward s.n. 1951-09-29
U.S.A., Oregon, Lane, Miller's ARm, Siltcoose Lake.
WTU:V-Vascular
6369 Louis F. Henderson s.n. 1892-09-06
U.S.A., Washington, Clark, Lindsey's Ranch; mouth of the Lewis River., 45.8591 -122.77794
WTU:V
365182 Don Knoke 1004 2005-09-25
U.S.A., Washington, Kittitas, Along Burlington-Northern Santa Fe railroad at North Thorp Highway crossing, 1.7 miles from Thorp., 47.086883 -120.691767, 506m
WTU:V
364979 Don Knoke 995 2005-09-18
U.S.A., Washington, Kittitas, Along Yakima River at mouth of Taneum Creek, 3 miles upstream from Thorp., 47.09175 -120.709983, 517m
WTU:V
379572 Peter F. Zika 17849 2002-09-13
U.S.A., Washington, Clark, Salmon Creek Greenway, Klineline Ponds, west side of I-5, near north shore of Salmon Creek; town of Salmon Creek., 45.706667 -122.656667, 30m
WTU:V
383795 R.E. Brainerd, B. Newhouse 985 2007-10-03
U.S.A., Oregon, Douglas, Red Ponds, circa 9.8 air miles south-southeast of Glide; shoreline of east pond., 43.1741 -123.0156, 640m
WTU:V
425069 David Giblin 5463 2014-09-12
U.S.A., Washington, Grant, North end of Rocky Ford Creek., 47.31363 -119.44724, 332m
WTU:V
11780JWT F. H. Bolster 116 1905-07-08
Philippines, Cagayan, Peñablanca, Luzon.
WTU:V
11332JWT M. Franc 199 1911-01-00
New Caledonia, Dumbia., -22.148359 166.451025, 50m
WTU:V
427757 David Gross 2535 2021-09-23
U.S.A., Washington, Klickitat, At Old Newell Place on Newell Road., 45.819133 -120.46535, 334m
WTU:V
339444 P. F. Zika 14459 1999-10-02
U.S.A., Oregon, Clatsop, North end of Delmoor Loop Road. West of Cullaby Lake., 46.0765 -123.9067, 4m