WTU:V
317737 Richard R. Halse 4015 1990-05-25
U.S.A., Washington, Cowlitz, On the west side of Interstate Hwy 5, behind Martin Bluff, about 4.3 miles south of Kalama., 45.9591 -122.8141, 6m
WTU:V
13030 T. C. Frye s.n. 1908-11-07
U.S.A., Washington, King, Along shore of Lake Union, Seattle., 47.60639 -122.33083
WTU:V
13028 M. Hall s.n. 1911-05-20
U.S.A., Washington, Pierce, Tacoma, Spanaway., 47.10417 -122.43333
WTU:V
345483 Sarah Gage, Sharon Rodman G&R 824 1992-09-12
U.S.A., Washington, Pacific, Beard's Hollow, Fort Canby State Park, Ilwaco., 46.308333 -124.070833, 23 - 76m
WTU:V
353332 Kathryn A. Beck 200126 2001-07-10
U.S.A., Washington, Pacific, Fort Canby, unnamed lake., 46.28842 -124.06521, 15m
WTU:V
357803 P. F. Zika, David Giblin, Sharon Rodman and 2 TNC volunteers 18960 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
361233 Ben Legler 3049 2005-09-06
U.S.A., Washington, King, Small pond on northeast side of Carnation Farm Road 0.2 miles northwest of where road crosses Snoqualmie River and 1.5 miles northwest of Carnation., 47.668333 -121.926944, 15m
WTU:V
355813 David French 5008 1970-06-14
U.S.A., Oregon, Clatsop, West of Warrenton, south of Fort Stevens, stream crossed by road to Columbia Beach., 46.16714 -123.950928
WTU:V
29895 J. B. Flett s.n. 1896-06-02
U.S.A., Washington, [No locality given on label]., 47.291966 -120.038086
WTU:V
13029 M. Furry s.n.
U.S.A., Washington, Pierce, Tacoma., 47.25306 -122.44306
WTU:V
321773 M. Arnot, E. Burnett, G. Patrick 365 1991-07-02
U.S.A., Washington, Pacific, On northwest shore of Long Lake., 46.7865 -124.0888
WTU:V
325550 M. Arnot, E. Burnett, G. Patrick 365 1991-07-02
U.S.A., Washington, Pacific, On northwest shore of Long Lake., 46.7865 -124.0888
WTU:V
13024 C. V. Piper 639 1889-07-11
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
13026 Chas. V. Piper 639 1889-06-15
U.S.A., Washington, King, Seattle., 47.613617 -122.310098
WTU:V
13025 C. V. Piper 639 1889-09-08
U.S.A., Washington, King, Lake Washington., 47.626882 -122.248627
WTU:V
332224 C. V. Piper 639 1889-06-15
U.S.A., Washington, King, Seattle., 47.60621 -122.332071
WTU:V
334416 Richard R. Halse 5015 1995-11-24
U.S.A., Oregon, Lane, West of Eugene in Kirk Park, behind the Fern Ridge Reservoir Dam, at junctio of Kirk and Clear Lake Roads., 44.1207 -123.2947, 114m
WTU:V
152727 Robert A. McHugh s.n. 1951-10-06
U.S.A., Oregon, Lane, Siltcoos Lake.
WTU:V
5173JWT Morton E. Peck 13251 1924-06-28
U.S.A., Oregon, Clatsop, Columbia Beach., 46.163163 -123.967067
WTU:V
13027 A. S. Foster s.n. 1904-08-21
U.S.A., Oregon, Clackamas, Oregon City., 45.357343 -122.606758
WTU:V
44238 A. S. Foster s.n. 1904-08-21
U.S.A., Oregon, Clackamas, Oregon City., 45.357343 -122.606758
WTU:V
30268 T. C. Frye s.n. 1932-08-18
U.S.A., Oregon, Curry, Port Orford.
WTU:V
363167 Jeff Walker 318 2006-08-07
U.S.A., Washington, Kitsap, South of Lider Road SE and east of Blackjack Creek., 47.4824 -122.6422
WTU:V
370744 P. F. Zika 11588 1992-05-27
U.S.A., Oregon, Lane, Weyerhauser Mill, south of Mackenzie River, Springfield., 44.0486 -122.9539, 146m
WTU:V
383300 Peter F. Zika 25409 2010-11-04
U.S.A., Washington, King, Northeast end of Horseshoe Lake, a narrow oxbow pond in the floodplain of the Snoqualmie River, 0.3 road miles north of Carnation Farm Road on Route 203, Carnation., 47.668333 -121.908333, 20m
WTU:V
384536 H. Bobisud 1160 1973-06-13
U.S.A., Washington, Pierce, Lake Kapowsin circa 15 miles southeast of Puyallup., 46.974027 -122.220275, 213m
WTU:V
393002 David Giblin 3140 2009-09-01
U.S.A., Washington, Grays Harbor, Blue Slough Road; backwater area on north side of railroad grade., 46.9477 -123.7565
WTU:V
393934 Peter F. Zika 26387 2013-07-30
U.S.A., Washington, King, Lake Washington Ship Canal between Union Bay and Lake Union, near Montlake Playfield track, Montlake, Seattle., 47.643 -122.307, 5m
WTU:V
408233 David Giblin 5500 2015-04-04
U.S.A., Washington, Pierce, Spanaway Marsh area., 47.09743 -122.45229, 110m
WTU:V
340962 V. E. McNeilus 99-370 1999-06-22
U.S.A., Tennessee, Hamilton, Behind Tennessee Welcome Center, Interstate 75.
WTU:V
419045 David Giblin, Cathy Maxwell, Kathleen Sayce 3631 2010-09-22
U.S.A., Washington, Pacific, Bog area located approximately 1 kilometer east of Black Lake along old railroad grade; west end of bog., 46.3217 -124.0279, 7m
WTU:V
412245 Peter F. Zika 28320 2016-08-19
U.S.A., Washington, King, Inlet creek above Beaver Pond, below northeast Carnation Farm Road, 4.5 air kilometers east-northeast of Union Hill, floodplain of Snoqualmie River., 47.67 -121.9271, 15m
WTU:V
412490 Peter F. Zika 28300 2016-08-14
U.S.A., Washington, Cowlitz, Cut-off Slough, at junction of 36th Avenue and Oak Street, Longview., 46.1571 -122.9752, 4m
WTU:V
412236 Peter F. Zika 28271 2016-08-14
U.S.A., Oregon, Clatsop, South side of Columbia Beach Road, east of Lake Drive., 46.133 -123.9309, 8m
WTU:V
412234 Peter F. Zika, Sarah Krock 28240 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
416264 Dominic Maze 134 2016-08-30
U.S.A., Oregon, Multnomah, Side channel of S of Columbia Slough and E of Lombard St. Bridge., 45.6381 -122.7632
WTU:V
417320 Dominic Maze CN 239 2016-07-01
U.S.A., Oregon, Multnomah, Side channel of Columbia Slough., 45.5664 -122.5635
WTU:V
417400 Dominic Maze 259 2016-07-12
U.S.A., Washington, Clark, Ridgefield National Wildlife Refuge. Off trail headed north from Tour Rte Rd., 45.80057 -122.75667
WTU:V
Peter Dunwiddie, Sarah Krock, Peter Zika, Amber Martens PWD-16-412 2016-07-27
U.S.A., Washington, Pierce, JBLM, TA-2, McKay Marsh., 47.10027 -122.61534, 80m
WTU:V
Peter Dunwiddie, Peter Zika PWD-18-444 2018-08-12
U.S.A., Oregon, Gilliam, 2.6 miles up Columbia River from Arlington., 45.75188 -120.16967
WTU:V
423135 Jeff Walker 323 2006-08-31
U.S.A., Washington, Cowlitz, Growing at the edge of a wetland adjacent to the BNSF Railroad., 46.045443 -122.865141
WTU:V
Patricia Johnson NWC21-WA-10033-U19 2021-07-13
U.S.A., Washington, Thurston, A beaver pond wetland complex in the town of Tumwater., 46.987114 -122.895133
WTU:V
David Giblin 7405 2019-12-28
U.S.A., Washington, Grays Harbor, Between Ocean Shores and Oyhut. North side of Marine View Drive SE, boat launch area of public access point., 46.94756 -124.14024, 2m