WTU:V
333641 J. Parsons s.n. 1994-05-24
U.S.A., Washington, Jefferson, Leland Lake. West end of lake, near outlet., 47.8881 -122.896
WTU:V
339231 P. F. Zika 14160 1999-08-31
U.S.A., Washington, Pacific, Ilwaco, shoreline of Black Lake, Route 101., 46.3064 -124.0366
WTU:V
342085 P. F. Zika 14642 1999-10-24
U.S.A., Washington, San Juan, Near pond on Turn Point, east shore of San Juan Island., 48.54111 -123.08472, 8m
WTU:V
314085 Scott R. Atkinson 238 1986-06-04
U.S.A., Washington, San Juan, San Juan Island; Turn Point vicinity, near public beach access, circa 1-1.5 miles southeast of Friday Harbor; pond north of access., 48.519928 -122.982098
WTU:V
163111 A. N. Steward s.n. 1951-09-29
U.S.A., Oregon, Lane, Miller's Arm, Siltcoos [sic: Siltcoose] Lake.
WTU:V
382761 Ben Legler 2363 2004-09-06
U.S.A., Washington, Skagit, South end of Big Lake, southeast of Mt. Vernon., 48.364444 -122.215833, 26m
WTU:V
373946 Peter F. Zika, David Giblin, Cathy Maxwell, Ben Legler 22279 2005-08-30
U.S.A., Washington, Pacific, Ilwaco. North end of Black Lake, east side of Sand Ridge Road., 46.32 -124.043333, 5m
WTU:V
364520 Susan Horton 2006-04-06
U.S.A., Washington, Island, Lone Lake, Whidbey Island, Washington., 48.0333 -122.4462
WTU:V
371500 P. F. Zika 11841 1992-08-08
U.S.A., Oregon, Lincoln, Southwest end of Devils Lake, near Inlet of Rock Creek, Lincoln City., 44.9647 -123.9986, 20m
WTU:V
396706 Nick Otting, Dick Brainerd 3447 2012-07-29
U.S.A., Oregon, Benton, Willamette Valley, Harkens Lake, a cut-off meander of the Willamette River, 3 air miles northeast of Monroe., 84m
WTU:V
418935 Ben Legler, Peter F. Zika 14326 2016-08-24
U.S.A., Washington, King, At dock on shoreline of Lake Washington at north end of Magnuson Park., 47.689241 -122.264544, 5m
WTU:V
409813 Peter F. Zika 28074 2016-07-12
U.S.A., Washington, King, Near mouth of Juanita Creek, Juanita Bay, Lake Washington, Juanita, Kirkland., 47.7041 -122.2178, 5m
WTU:V
412136 Peter F. Zika 28266 2016-08-14
U.S.A., Oregon, Clatsop, Sloughs on both sides of Route 101, near West Anderson Road, 0.9 air kilometers southeast of Sunset Lake, Warrington., 46.0808 -123.916, 8m
WTU:V
416704 Peter F. Zika, R.E.Brainerd, W. Messinger, Jason Spear 28576 2016-10-12
U.S.A., Oregon, Lane, East end of Kirk Road, near Coyote Creek, just north of Fern Ridge dam., 44.1198 -123.2904, 105m
WTU:V
Peter Dunwiddie, Rod Gilbert, Sarah Krock, Peter Zika PWD-16-256 2016-06-24
U.S.A., Washington, Pierce, JBLM, Artillary Impact Area, Mortar Point 3, Nisqually Lake vicinity., 47.02895 -122.62569, 82m
WTU:V
420154 David Giblin 6344 2018-09-11
U.S.A., Washington, Clark, Fallen Leaf Lake Park, Shoreline just west of picnic area., 45.60018 -122.40859, 65m
WTU:V
424041 Barbara L. Wilson, Richard Brainerd, Crystal Derbecq, Maya Goklany, Andy Niell 17231 2012-07-27
U.S.A., Oregon, Linn, Slough at south end of Browers Rock State Park., 44.628932 -123.163948, 55m