WTU:V
325641 Richard R. Halse 4560 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
253734 Earle F. Layser 1712 1970-08-00
U.S.A., Washington, Pend Oreille, Sullivan Lake., 48.84 -117.28833
WTU:V
317682 Elroy Burnett, Mildred Arnot s.n. 1989-08-19
U.S.A., Washington, Whatcom, [no locality given on label]., 48.82047 -121.71857, 488m
WTU:V
350304 P. F. Zika 16952 2002-05-29
U.S.A., Washington, Clark, Lacamas Creek floodplain, E of NE Goodwin Rd., 45.636667 -122.46, 60m
WTU:V
350284 P. F. Zika 18134 2002-10-17
U.S.A., Washington, Skamania, N shore of Columbia River, 1 km NE of Skamania Island., 45.6 -122.1, 8m
WTU:V
347160 P. F. Zika 16270 2001-06-17
U.S.A., Washington, Klickitat, North shore of Rowland Lake, County Road 1230, North side of Columbia River., 45.71 -121.381667, 30m
WTU:V
68439 F. O. Kreager 322 1902-07-28
U.S.A., Washington, Pend Oreille, Lake Calispell, 3 miles southwest of Usk., 48.283179 -117.324774
WTU:V
181848 John H. Thomas 6297 1956-08-02
U.S.A., Alaska, Valdez Cordova, Middleton Island is located in the Gulf of Alaska about 115 miles south of Valdez., 59.416667 -146.333333
WTU:V
173756 W. B. Schofield 2566 1952-08-02
U.S.A., Alaska, Bristol Bay, Naknek., 58.711933 -156.958957
WTU:V
198540 W. B. Schofield 2770 1952-08-15
U.S.A., Alaska, Naknek., 58.711933 -156.958957
WTU:V
305338 Richard R. Halse 2837 1984-06-04
U.S.A., Oregon, Polk, On the Leonard Peters farm, 10630 Elkins Road, Monmouth. Southwest of town., 44.7914 -123.2437, 75m
WTU:V
20759JWT Thomas J. Howell s.n. 1884-08-00
U.S.A., Oregon, Multnomah, Sauvie's Island., 45.679162 -122.819653
WTU:V
196843 Robert Ornduff 6205 1960-06-09
U.S.A., Oregon, Clackamas, Near Lake Oswego. About 0.25 miles southwest of junction of Bryant and jean Roads., 45.394761 -122.726864
WTU:V
196844 Robert Ornduff 6230 1960-06-15
U.S.A., Oregon, Multnomah, At site of old Vanport Housing Project, west of Denver Avenue near Portland., 45.599452 -122.67857
WTU:V-Vascular
20761JWT J. William Thompson 1352 a 1927-07-10
U.S.A., Oregon, Multnomah, Sauvies Island., 45.736628 -122.799314
WTU:V
370918 Peter F. Zika, David Giblin, Cathy Maxwell, Ben Legler 22244 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
374181 David Giblin, Ben Legler 739 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
369095 Peter F. Zika 22438 2005-09-26
U.S.A., Washington, Douglas, Bridgeport Bar, south shore Columbia River., 48.066667 -119.686667, 240m
WTU:V
399922 David Giblin, Cathy Maxwell, Joe Arnett 2510 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
379119 P. F. Zika, F. Weinmann 17745 2002-08-29
U.S.A., Washington, Wahkiakum, Northeast shore Steamboat Slough, Steamboat Slough Rd, north shore of Columbia River circa 1 mile southeast of Skamokawa., 46.26 -123.44, 1m
WTU:V
328364 Cathy L. Maxwell 1210 1992-07-17
U.S.A., Washington, Wahkiakum, Whites Island at upriver end of Puget Island in Columbia River., 46.1498 -123.3295
WTU:V
328363 Cathy L. Maxwell 1216 1992-08-16
U.S.A., Washington, Wahkiakum, Whites Island at upriver end of Puget Island in Columbia River., 46.1498 -123.3295
WTU:V
392985 David Giblin 3164 2009-09-01
U.S.A., Washington, Grays Harbor, Friends Landing. Boat ramp area for Chehalis River., 46.9461 -123.64107, 1m
WTU:V
409879 David Giblin, Peter Zika 5079 2013-08-26
U.S.A., Washington, Cowlitz, Yale Lake Park Marina area, west of parking area., 46.0253 -122.3193, 150m
WTU:V
409299 Cathy Maxwell 13-60 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
403954 Ben Legler 12941 2013-09-02
U.S.A., Washington, Whatcom, Ross Lake National Recreation Area: in drawdown of Gorge Lake on upstream side of where Highway 20 crosses lake., 48.713326 -121.157857, 233m
WTU:V
398526 Peter F. Zika 26787 2014-08-20
Canada, British Columbia, East shore of Shuswap Lake, 1.7 air kilometers northwest of Sicamous, Central Okanogan District., 50.849 -119.007, 340m
WTU:V
400243 R. E. Brainerd 2294 2014-05-16
U.S.A., Oregon, Benton, Northwest Corvallis between Orchard Avenue and Campus Way, near the Oregon State University greenhouses., 76m
WTU:V
400821 Jeff Walker 728 2014-10-29
U.S.A., Washington, Chelan, Growing near the swimming area along the Columbia River at the Walla Walla Point Park at the north end of City of Wenatchee., 47.44627 -120.3176
WTU:V
409558 David Giblin 5788 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
428322 Ben Legler 12878 2013-08-19
U.S.A., Washington, Okanogan, Public access point on south shore of Methow River ca. 0.25 miles upstream from where it joins Columbia River., 48.045443 -119.91048, 216m
WTU:V
408679 Ben Legler, Sara Legler 13377 2014-09-23
U.S.A., Washington, Lewis, East shore of Riffe Lake at Taidnapum Boat Launch., 46.475911 -122.169181, 205m
WTU:V
409844 Peter F. Zika 28064 2016-07-09
U.S.A., Oregon, Deschutes, North side of Route 126, 0.4 road miles east of Goodrich Road, 3.2 air kilometers north northeast of Fryrear Butte., 44.2918 -121.4442, 935m
WTU:V
412788 Peter F. Zika 28522 2016-10-01
U.S.A., Washington, Chelan, West shore of Columbia River, near Cowan Avenue, 4.9 air kilometers east northeast of Peters Point, Entiat., 47.6669 -120.2185, 215m
WTU:V
413329 Kathy Ahlenslager 141 1992-07-20
U.S.A., Washington, Pend Oreille, Colville National Forest/Colville Ranger District. North of Noisy Creek, about 8 feet above water's edge midway between 2 large stumps., 48.791392 -117.274858, 762 - 793m
WTU:V
Peter Dunwiddie, Stacy Kinsell PWD-17-126 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
Peter Dunwiddie, Peter Zika, Stacy Kinsell PWD-17-155 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
Peter Dunwiddie, Peter Zika, Stacy Kinsell PWD-17-193 2017-05-24
U.S.A., Washington, Klickitat, Roosevelt Park, Roosevelt, WA. Edge of Columbia River., 45.73283 -120.21952
WTU:V
Peter Dunwiddie, Peter Zika, Stacy Kinsell PWD-17-194 2017-05-24
U.S.A., Washington, Klickitat, Roosevelt Park, Roosevelt, WA. Edge of Columbia River., 45.73283 -120.21952
WTU:V
420290 David Giblin 6402 2018-09-12
U.S.A., Washington, Skamania, Skamania County boat ramp area on north side of Highway 14 just east of road to Carson., 45.71823 -121.78928, 25m
WTU:V
420449 David Giblin 6485 2018-10-02
U.S.A., Washington, Okanogan, Highway 97 public access area on east bank of Columbia River. Approximately 15km south of Pateros., 47.98381 -119.8882, 236m
WTU:V
Cathy Maxwell, Kathleen Sayce, David Giblin. 1690 2010-09-22
U.S.A., Oregon, Clatsop, Julia Butler Hansen National Wildlife Refuge. Pillar Rock Island., 46.2501 -123.5827, 1m
WTU:V
Peter Dunwiddie, Peter Zika PWD-18-141 2018-05-12
U.S.A., Washington, Klickitat, Roosevelt Park south of Highway 14., 45.736705 -120.213754
WTU:V
Peter Dunwiddie, Kathryn Beck PWD-19-76 2019-05-11
U.S.A., Washington, Klickitat, Bob's Point., 45.669928 -120.865339, 55m
WTU:V
422866 Peter F. Zika 29678 2019-06-26
U.S.A., Oregon, Wasco, S shore of Lake Bonneville, 0.2 air km W of S end of Dalles Bridge over the Columbia River, 45.6062 -121.1404, 27m
WTU:V
423861 Lowell Ahart 21911 2019-04-25
U.S.A., California, Butte, Where clay was removed for the core of Oroville Dam.About 200 yards east of Larkin Road, south of the Oroville Airport, about 3 miles southwest of Oroville., 39.475917 -121.624972, 38m
WTU:V
424752 Cathy Maxwell, With Kathleen Sayce, David Giblin. 1690 2010-09-22
U.S.A., Oregon, Clatsop, Julia Butler Hansen National Wildlife Refuge. Pillar Rock Island., 46.2501 -123.5827, 1m
WTU:V
David Giblin 8500 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 Zika, Peter Dunwiddie PWD-21-162 2021-08-18
U.S.A., Washington, Walla Walla, McNary National Wildlife Refuge, Wallula Unit, island in delta of Walla Walla River, 46.069502 -118.916364
WTU:V
341973 P. F. Zika
U.S.A., Washington, San Juan, detailed locality information protected
WTU:V
347747 P. F. Zika
U.S.A., Washington, San Juan, detailed locality information protected
WTU:V
339359 P. F. Zika 12308 1995-04-29
U.S.A., Oregon, Josephine, Fish Hatchery County Park, north shore of Applegate River, between Murphy and Wilderville., 42.3527 -123.4144, 305m
WTU:V
331485 Terry Domico
U.S.A., Washington, San Juan, detailed locality information protected
WTU:V
267635 O. Ceska, A. Ceska
U.S.A., Washington, San Juan, detailed locality information protected
WTU:V
267768 Patrick Elvander
U.S.A., Washington, San Juan, detailed locality information protected
WTU:V
20762JWT Thomas Howell s.n. 1887-04-10
U.S.A., Oregon, Near Riddle.
WTU:V
374764 Peter F. Zika
U.S.A., Washington, San Juan, detailed locality information protected
WTU:V
409853 Peter F. Zika 28060 2016-07-09
U.S.A., Oregon, Deschutes, North side of Route 126, 0.4 road miles east of Goodrich Road, 3.2 air kilometers north-northeast of Fryrear Butte., 44.2918 -121.4442, 935m
WTU:V
342490 P. F. Zika, A. L. Jacobson 13758 1999-05-25
U.S.A., Washington, King, 0.7 miles south of Meadow Point, Shilshole Bay, Seattle., 47.6842 -122.4042, 3m
WTU:V
347789 P. F. Zika 15814 2001-03-23
U.S.A., Washington, Skagit, Pass Island, ca 60 meters east of Route 20, Deception Pass., 48.408333 -122.643333, 50m
WTU:V
350344 P. F. Zika 16886 2002-05-17
U.S.A., Washington, King, Magnuson Park, Sand Point. Near west shore of Lake Washington., 47.68 -122.258333, 10m
WTU:V
359284 Ben Legler 1418 2004-04-05
U.S.A., Washington, King, Discovery Park northwest of Seattle; parking area and lawns on north part of park near Daybreak Cultural Center., 47.665833 -122.415278, 41m
WTU:V
362168 Ben Legler 1438 2004-04-13
U.S.A., Washington, Island, Pulloff along West Beach Road 0.8 miles south of Joseph Whidbey State Park, Whidbey Island., 48.2975 -122.726389, 9m
WTU:V
358223 P. F. Zika 15925A 2001-04-19
U.S.A., Washington, Jefferson, Fairgrounds near 49th Street, Port Townsend., 48.135 -122.783333, 13m
WTU:V
354580 Peter F. Zika 18413 2003-05-30
U.S.A., Washington, Pacific, Campground, Cape Disappointment, north shore of mouth of Columbia River., 46.295 -124.073333, 5m
WTU:V
350530 Peter F. Zika 16845 2002-05-06
Canada, British Columbia, Homathko Road at Island View Beach, Central Saanich munincipality, Vancouver Island., 48.575 -123.368333, 4m
WTU:V
347767 P. F. Zika 15789 2001-03-17
U.S.A., Washington, King, East end of Jensens Cove, mouth of Laughing Jacobs Creek, southeast end of Lake Sammamish, Issaquah., 47.565 -122.055, 8m
WTU:V
338900 Arthur L. Jacobson s.n. 1999-05-08
U.S.A., Washington, King, By Puget Sound, extreme north end of Shilsole Bay marina, Seattle., 47.6842 -122.4042, 3m
WTU:V
386703 Phil Green 06-27 2006-04-26
U.S.A., Washington, San Juan, San Juan Islands. Posey Island., 48.6184 -123.167533, 6 - 6m
WTU:V
375273 Peter Dunwiddie 06-122 2006-05-03
U.S.A., Washington, Jefferson, Protection Island. Crest of road from marina, near southeast end of island., 48.12455 -122.928817, 43m
WTU:V
374095 Joe Arnett 06-36 2006-05-03
U.S.A., Washington, Jefferson, Protection Island. Southeast side of island at marina., 48.12815 -122.9203, 2m
WTU:V
377500 David Giblin, Ben Legler, Peter Zika 894 2007-05-18
U.S.A., Washington, Grays Harbor, Sandy dunes behind terminus of Salt Aire Boulevard and compacted areas along street., 46.8274 -124.103667, 2m
WTU:V
364967 Fred Weinmann s.n. 2005-04-24
U.S.A., Washington, Jefferson, Near natural history museum, Fort Worden State Park, Port Townsend, Quimper Peninsula., 48.15 -122.766667, 5m
WTU:V
369970 Kathleen Sayce 033006 2006-03-30
U.S.A., Washington, Pacific, Ocean Park, approximately 300 feet east of west U Street and 250th Place intersection., 46.4799 -124.0366
WTU:V
369099 Peter F. Zika 19459 2004-05-01
U.S.A., Washington, King, Peninsula south of Marsh Island, southwest shore of Union Bay, Lake Washington, Washington Park Arboretum, Seattle., 47.633333 -122.3, 7m
WTU:V
370491 Jeff Walker 356 2008-05-01
U.S.A., Washington, Kitsap, Manchester State Park., 47.55611 -122.54361
WTU:V
369912 Peter F. Zika 15919 2001-04-19
U.S.A., Washington, Jefferson, Route 116, Nordland, Mystery Bay, Marrowstone Island., 48.05 -122.691667, 3m
WTU:V
370184 Peter F. Zika 15921 2001-04-19
U.S.A., Washington, Jefferson, Admiralty Inlet; Marrowstone Island; Marrowstone Point., 48.1 -122.69, 3m
WTU:V
370584A Jeff Walker 345 2008-04-18
U.S.A., Washington, Kitsap, Kitsap Memorial State Park., 47.81725 -122.6494
WTU:V
372179 Peter F. Zika 10451 1988-03-25
U.S.A., Oregon, Lane, Fern Ridge Resovir at Fir Butte Road., 44.0774 -123.2346, 116m
WTU:V
372179 Peter F. Zika 10451 1988-03-25
U.S.A., Oregon, Lane, Fern Ridge Resovir at Fir Butte Road., 44.0774 -123.2346, 116m
WTU:V
372268 P. F. Zika 13047 1997-04-14
U.S.A., Oregon, Lane, Bureau of Land Management office, northeast corner of Danebo and West 11th, West Eugene., 44.0486 -123.1744, 119m
WTU:V
395462 Hannah Marx, Peter Zika 09-01 2009-04-22
U.S.A., Washington, Skagit, Fidalgo Island. San Juan Island Ferry Terminal. Parking lot below and east of toll house., 48.50296 -122.6787, 2m
WTU:V
392837 Jeff Walker 646 2012-10-11
U.S.A., Washington, Island, At the swimming area at Cranberry Lake in Deception Pass State Park., 48.39784 -122.66369
WTU:V
403301 Jeff Walker 737 2015-04-24
U.S.A., Washington, Mason, In gravel parking lot of the Skyline Drive-In Theater south of Shelton and immediately east of Highway 101., 47.14587 -123.09249
WTU:V
403824 Peter F. Zika 26560 2014-05-24
U.S.A., Oregon, Multnomah, Near junction of Water Street and Southeast Taylor Street; Portland., 45.515 -122.666, 10m
WTU:V
414422 Regina Johnson 2016-005 2016-05-04
U.S.A., Washington, Thurston, Mima Mounds area, Mima Rd SW at Bordeaux Rd., 46.88882 -123.04473, 82m
WTU:V
414486 Regina Johnson 2016-005 2016-05-04
U.S.A., Washington, Thurston, Mima Mounds area, Mima Rd SW at Bordeaux Rd., 46.88882 -123.04473, 82m
WTU:V
Ben Legler 14632 2018-05-06
U.S.A., Oregon, Hood River, Tucker County Park, in campground loop adjacent to campsites 20-25., 45.650851 -121.560531, 134m
WTU:V
417383 Peter F. Zika 28671 2017-04-17
U.S.A., Oregon, Multnomah, Near junction of SE Water Avenue and SE Salmon Street, Portland., 45.5148 -122.667, 10m
WTU:V
418086 David Giblin 6094 2018-05-22
U.S.A., Washington, Grays Harbor, Olympic National Forest. West side of Wynoochee Lake. Forest Service Road 2294., 47.41298 -123.60605, 313m
WTU:V
418510 Jeff Walker 1001 2018-03-11
U.S.A., Washington, Cowlitz, In the bare patches in lawn in Port of Kalama Marine Park., 46.00275 -122.8461, 8m
WTU:V
418535 Peter F. Zika 29181 2018-03-28
U.S.A., Washington, King, Near Saltwater Park parking area, east of railroad tracks, Richmond Beach., 47.7647 -122.3835, 20m
WTU:V
418800 Peter F. Zika, Sarah Krock & Peter W. Dunwiddie. 29189 2017-04-24
U.S.A., Washington, Pierce, Roadside near Railroad Avenue and W 2nd Street, Joint Base Lewis-McChord., 47.0875 -122.6211, 75m
WTU:V
418567 P. F. Zika 29178 2018-03-16
U.S.A., Washington, Grays Harbor, Near junction of Gunderson Avenue SE and Schooner Court, 0.5 air km SE of Duck Lake, Ocean Shores., 46.9573 -124.1323, 5m
WTU:V
Peter W. Dunwiddie, Sarah Krock, Rod Gilbert PWD 16-145 2016-06-02
U.S.A., Washington, Pierce, JBLM, TA 18, Recondo2, Nisqually River., 46.97445 -122.59055, 57m
WTU:V
425800 David Giblin 6593 2019-04-25
U.S.A., Washington, Skamania, Wind River boat launch on north side of Wind River., 45.71814 -121.7896, 23m
WTU:V
422409 R. E. Brainerd 2538 2017-05-10
U.S.A., Oregon, Jackson, White City. Northwest corner of intersection of Highway 62 and Highway 140., 42.42338 -122.85202, 399m
WTU:V
422879 Peter F. Zika 29597 2019-06-04
U.S.A., Oregon, Wasco, Mouth of Deschutes River, near Moody Road, 1.6 air km S of S end of Miller Island., 45.6285 -120.9104, 50m
WTU:V
Jeff Walker 1259 2020-04-29
U.S.A., Washington, Snohomish, City of Edmonds., 47.80715 -122.38462, 5m