OSU:V
Douglas C. Ingram 1517 1924-08-05
United States, Oregon, Douglas, Umpqua National Forest. Huckleberry Lake., 42.8997 -122.6183, 1524m
OSU:V
Richard W. Spellenberg 1217 1965-07-24
United States, Washington, Pierce, Ohop Lake, n. of Eatonville at fishing area at s. end of lake.
OSU:V
Richard R. Halse 2387 1981-07-15
United States, Oregon, Lake, Fremont National Forest; along the edges of Mud Creek where State Hwy. 140 crosses, 13.2 miles east of its junction with U.S. Hwy. 395., 42.21481 -120.15018, 1655m
OSU:V
Richard R. Halse 2417 1981-07-28
United States, Oregon, Lane, in quiet backwater just below the dam just forms Dorena Reservoir at Scharz Park., 43.787 -122.97789, 240m
OSU:V
Quentin D. Clarkson 243 1953-08-28
United States, Idaho, Owyhee, irrigation ditch along Jordan Creek, 5 mi. east of Jordan Valley, Oregon.
OSU:V
Tanya Harvey s.n. 2009-08-23
United States, Oregon, Douglas, Fuller Lake, ca. 7 mi. N of Soda Springs Dam (4 mi. NW of Tokatee Falls, North Umpqua River)., 43.4017 -122.4926, 1495m
OSU:V
J. Easterday 192 1978-07-30
United States, Oregon, Lake, Deep Creek., 42.18717 -120.01211
OSU:V
J. Easterday 192 1978-07-30
United States, Oregon, Lake, Deep Creek., 42.18717 -120.01211
OSU:V
Albert N. Steward 6802 1954-08-04
United States, Oregon, Deschutes, near crossing of Little Deschute River and hwy. to Pringle Falls., 43.71083 -121.49702, 1326m
OSU:V
Milton L. Dean 193 1958-08-20
United States, Oregon, Malheur, Three Forks Canyon on the Owyhee River., 42.5488 -117.161, 1189m
OSU:V
David Sutherland 1090 1965-07-16
United States, Washington, Whatcom, Bellingham, Cornwall Park, still part of stream near bridge at picnic area.
OSU:V
John A. Christy 7114 1989-07-14
United States, Oregon, Multnomah, Burlington Bottoms Natural Area, E of Burlington; submerged at edge of central pond, N of entrance road., 45.64202 -122.837, 15m
OSU:V
Richard R. Halse 3929 1989-07-27
United States, Idaho, Fremont, Harriman State Park (Railroad Ranch)., 44.3393707075 -111.466121709, 1836m
OSU:V
Tanya Harvey s.n. 2013-08-24
United States, Oregon, Lane, "Castle Lake" along Road 1993 about 0.5 mile northeast of Taylor's Castle., 44.0932 -122.0596, 1352m
OSU:V
Richard Old s.n.
United States, Oregon, Harney, Lily Lake, Steens Mtn., 42.7461 -118.6642
OSU:V
Joy Mastrogiuseppe 9155 1993-08-18
United States, Oregon, Deschutes, Deschutes River; below; depth ca. 1 m.
OSU:V
Dan P. Rogers 1940-06-15
United States, Oregon, Wallowa, near Lostine., 45.4875 -117.4286
OSU:V
Steven R. Hill 32788 2000-08-03
United States, Oregon, Lincoln, at "Lost Prairie", ca 6.0 mi SE of Rose Lodge, just W of Forest Service Road 210; S of OR Rt. 18 and Salmon River; Siuslaw National Forest., 44.95 -123.816666666667
OSU:V
Peter F. Zika 13356 1997-08-20
United States, Oregon, Coos, north end of Muddy Lake; New River ACEC, Coos Bay District BLM., 42.98943 -124.44474, 5m
OSU:V
Richard R. Halse 8354 2011-08-25
United States, Oregon, Linn, Peoria Park at the north end of Peoria; across an emayment of the Willamette River from the boat ramp., 44.4540138888889 -123.210127777778, 70m
OSU:V
Nick J. Otting 657 2003-07-02
United States, Oregon, Malheur, Owyhee Uplands, headwaters of the West Little Owyhee River, north of Hoppin Springs, 11 air miles northeast of McDermitt., 42.10179 -117.54806, 1920m
OSU:V
[none] s.n. 1939-09-30
United States, Washington, Lewis, Shingle mill pond, just north of Chehalis.
OSU:V
Georgia S. Mason 9640 1973-09-12
United States, Oregon, Lane, Fern Ridge Reservoir at Zumwalt Park, about 16 miles west of Eugene., 44.1206 -123.2983
OSU:V
Albert N. Steward 6585 1953-04-17
United States, Oregon, Benton, fr. green Slough near bridge, Mc Fadden's Marsh, 12 mi. S. of Corvallis., 44.39672 -123.30223
OSU:V
Paige L. Hall s.n.
United States, Oregon, Lane, none
OSU:V
H. R. Newcomb s.n. 1939-09-24
United States, Oregon, Benton, Black Lake.
OSU:V
Georgia S. Mason 9282 1971-10-04
United States, Oregon, Lane, Orchard Point County Park, near Fernridge Reservoir dam., 44.0919 -123.2747
OSU:V
Charles J. Campbell 39-19 1939-09-12
United States, Oregon, Marion, Brook Lake, Mt. Hood Forest., 44.8556 -121.7669, 1399m
OSU:V
H. R. Newcomb s.n. 1939-09-30
United States, Washington, Lewis, Shingle mill pond, just north of Chehalis.
OSU:V
Georgia S. Mason 9282B 1971-10-04
United States, Oregon, Lane, Orchard Point County Park, near Fernridge Reservoir dam., 44.0919 -123.2747
OSU:V
Louis F. Henderson 13969 1931-07-24
United States, Oregon, Lane, in the water of Camas Slough below Goshen.
OSU:V
Louis F. Henderson s.n. 1935-08-09
United States, Oregon, Lane, northern Siltcoos Lake., 43.8922 -124.0982
OSU:V
Louis F. Henderson s.n.
United States, Oregon, Lane, Siltcoos Lake., 43.8922 -124.0982
OSU:V
Albert N. Steward 6585 1953-09-17
United States, Oregon, Benton, slough near bridge, McFadden's Marsh, 12 miles south of Corvallis., 44.39672 -123.30223
OSU:V
Louis F. Henderson 14008 1931-08-14
United States, Oregon, Lane, mouth of Maple Creek Miller Arm of Siltcoos Lake., 43.8881 -124.053
OSU:V
Louis F. Henderson 5443 1925-06-23
United States, Oregon, Grant, Kimberly Ranch, W. Grant Co., 44.4147 -118.6033
OSU:V
Louis F. Henderson 11694 1929-07-16
United States, Oregon, Curry, Floras Lake, N. Curry Co., 42.8939 -124.5028
OSU:V
Arthur J. Cronquist 6037 1949-08-06
United States, Idaho, Shoshone, near head of West Fork of St. Maries River, 7 miles southwest of Clarkia., 46.95667875 -116.319577919, 914m
OSU:V
Georgia S. Mason 9283A 1971-10-04
United States, Oregon, Lane, Orchard Point Park at Fernridge Reservoir, about 25 miles west of Eugene., 44.0919 -123.2747
OSU:V
Georgia S. Mason 9641 1973-09-12
United States, Oregon, Lane, Fern Ridge Reservoir at Zumwalt Park, about 16 miles west of Eugene., 44.1206 -123.2983
OSU:V
Louis F. Henderson s.n. 1926-07-31
United States, Oregon, Lane, 3 or 4 feet water outlet of Siltcoos Lake, Westlake., 43.8815 -124.113
OSU:V
Louis F. Henderson 11691 1929-07-31
United States, Oregon, Tillamook, in a small lake north of Neskowin., 45.12061 -123.97289
OSU:V
Louis F. Henderson 11697 1929-07-18
United States, Oregon, Coos, South Ten Mile Lake., 43.5635728646 -124.137696267
OSU:V
J. E. Kirkwood 1552 1923-08-19
United States, Montana, [Ravalli], Bitter Root Valley, near Tucker Spur., 1082m
OSU:V
Louis F. Henderson s.n. 1935-08-08
United States, Oregon, Douglas, Siltcoos Lake near Booth., 43.8454 -124.0928
OSU:V
Georgia S. Mason 9244 1971-09-27
United States, Oregon, Lane, about 25 miles west of Eugene.
OSU:V
Georgia S. Mason 9283 1971-10-01
United States, Oregon, Lane, Orchard Point, Park at Fernridge Reservoir, about 25 miles west of Eugene., 44.0919 -123.2747
OSU:V
Georgia S. Mason 9525 1973-06-30
United States, Oregon, Lane, base of Mt. Pisgah at Goshen, about 5 miles southeast of Eugene; on the sunny bank of the Coast Fork of the Willamette River., 43.9956 -123.0103
OSU:V
Louis F. Henderson s.n. 1934-07-06
United States, Oregon, Lane, Siltcoos Lake, Maple Creek., 43.92697 -124.01366
OSU:V
Georgia S. Mason 9282A 1971-10-04
United States, Oregon, Lane, Orchard Point County Park near Fernridge Reservoir Dam., 44.1125 -123.2761
OSU:V
Louis F. Henderson s.n. 1935-08-06
United States, Oregon, Lane, Siltcoos outlet., 43.8815 -124.113
OSU:V
Louis F. Henderson 17613 1935-08-09
United States, Oregon, Lane, northern Siltcoos Lake., 43.8922 -124.0982
OSU:V
Georgia S. Mason 9659 1973-09-27
United States, Oregon, Lane, swampy ground across the road from Fern Ridge Lake, near Zumwalt Park, about 16 miles west of Eugene.
OSU:V
Louis F. Henderson 16645 1934-07-05
United States, Oregon, Lane, in Sutton Creek, 6-8m north of Florence., 44.0603234082 -124.113905021
OSU:V
Louis F. Henderson 11684 1924-08-01
United States, Oregon, Tillamook, Lake Lytle., 45.6233 -123.9381
OSU:V
Louis F. Henderson s.n. 1934-08-08
United States, Oregon, Lane, Siltcoos Lake., 43.8922 -124.0982
OSU:V
Orlin L. Ireland 1327 1939-07-23
United States, Oregon, Lane, small lake west of Sutton Lake., 44.05988 -124.09936
OSU:V
Georgia S. Mason 9640 1973-09-12
United States, Oregon, Lane, Fern Ridge Reservoir at Zumwalt Park, about 16 miles west of Eugene., 44.1206 -123.2983
OSU:V
OSC-V-255801 Arnold Tiehm 17641 2016-08-11
United States, Nevada, Washoe, Mosquito Mountains, 12 Mile Creek, 1.3 air miles just S of due E of NV-CA-OR border., 41.989867 -119.972083, 1524m
OSU:V
Louis F. Henderson 8867 1927-05-17
United States, Oregon, Harney, in a warm spring near Burns., 43.5864 -119.0531
OSU:V
R. Kral 58748 1976-08-21
United States, Montana, Sweet Grass, just west of Big Timber., 1250m
OSU:V
Charles L. Hitchcock 23846 1965-07-06
United States, Idaho, Lemhi, irrigation ditch at s. edge of Salmon City.
OSU:V
Barbara L. Wilson 15823 2009-08-09
United States, Washington, Whatcom, pond on west side of Baker Lake Road southwest of National Forest road 1142., 229m
OSU:V
Dan P. Rogers s.n. 1940-06-13
United States, Oregon, Wheeler, west of Mitchell., 44.56872 -120.20099
OSU:V
Bruce N. Newhouse 97045
United States, Oregon, Lane, In canal just S of Guy Lee School, in SW Springfield., 44.0718128096 -123.039898018, 131m
OSU:V
Edward R. Alverson 1179 1987-06-25
United States, Oregon, Washington, Evergreen St. crossing at Rock Creek, new research park development, east of intersection Cornelius Pass Rd. and Evergreen St, near Beaverton., 45.54147 -122.87772
OSU:V
Dan P. Rogers s.n. 1940-06-18
United States, Oregon, Wallowa, Lostine R., 45.3712 -117.4237
OSU:V
Bruce N. Newhouse 97045
United States, Oregon, Lane, canal just S of Guy Lee School, in NW Springfield., 44.0718128096 -123.039898018, 131m
OSU:V
Charles L. Hitchcock 11675 1945-06-28
United States, Montana, Powell, small stream from spring on nearby hillside 5 miles northeast of Helmville.
OSU:V
[needs research] AQ015 2009-07-22
United States, Oregon, Clatsop, Sunset Beach; just south of pond-Edge of small pond, west of beach., 46.1014 -123.9292
OSU:V
William E. Lawrence 2594 1919-08-06
United States, Oregon, Klamath, Merrill., 42.0253 -121.5994
OSU:V
Dan P. Rogers s.n. 1940-06-15
United States, Oregon, Wallowa, near Lostine., 45.4875 -117.4286
OSU:V
Edward R. Alverson 1212 1987-07-24
United States, Oregon, Washington, intersection of Cornell Rd. and 158th, Beaverton., 45.44029 -122.83603
OSU:V
Tanya Harvey s.n. 2014-08-19
United States, Oregon, Lane, Warfield Bog, along south edge., 43.63468 -122.24231, 1494m
OSU:V
Barbara L. Wilson 16928 2011-09-12
United States, Oregon, Grant, Summit Creek.
OSU:V
Louis F. Henderson 5632 1925-07-22
United States, Oregon, Grant, Middle Fork John Day, near Austin., 44.6028 -118.4956
OSU:V
Thomas J. Howell s.n.
United States, Oregon, Columbia or Multnomah, Sauvie's Island., 45.7223 -122.8192
OSU:V
Roy C. Andrews 102 1934-06-22
United States, Oregon, Lane, Mill-Pond, Wendling., 44.1906 -122.7972
OSU:V
OSC-V-256187 George Kral 376 2013-07-08
United States, Oregon, Washington, Killin Wetland., 45.611 -123.147, 58m
OSU:V
OSC-V-259096 J. F. Smith 14870 2017-09-09
United States, Idaho, Elmore, Boise National Forest. Trinity Lakes Area. Big Roaring River Lake campground. Hills west of lake and outlet stream., 43.62111 -115.44482, 282m
OSU:V
OSC-V-263435 James F. Smith 3198 1994-07-17
United States, Idaho, Gooding, livestock pond south of Davis mountain peak, submerged aquatic, rooted in mud, 43.166667 -114.8, 1524m
OSU:V
Ray C. Erickson s.n. 1948-07-30
United States, Oregon, Harney, Malheur Bird Refuge., 43.0522 -118.8682
OSU:V
Elmer I. Applegate 741 1895-07-19
United States, Oregon, Klamath, Chinax, Swan Lake.
OSU:V
Elmer I. Applegate 741a 1896-06-14
United States, Oregon, Klamath, Swan Lake., 42.3247222222222 -121.609166666667
OSU:V
Georgia S. Mason 9570 1973-07-19
United States, Oregon, Lane, near the Coast Fork of the Willamette River; base of Mt. Pisgah, about 5 miles southeast of Eugene., 43.9945 -122.9827
OSU:V
Charles L. Hitchcock 23984 1965-07-11
United States, Montana, Lake, large "pot-hole" 0.2 mi. s.e. of Nine-Pipes Reservoir.
OSU:V
Patricia R. Hansen 6442 1953-07-27
United States, Oregon, Harney, Lily Lake, Steens Mt, Fish Lake Road SE of Frenchglen., 42.81977 -118.93049, 2225m
OSU:V
Charles G. Hansen 307 1953-07-07
United States, Oregon, Harney, 15.5 mi. due ESE of Frenchglen., 42.75463 -118.66545
OSU:V
Bassett Maguire 26754 1946-07-31
United States, Oregon, Harney, shallow water of Lily Lake, Steen Mts., 42.7461 -118.6642
OSU:V
Louis F. Henderson s.n. 1935-08-08
United States, Oregon, Douglas, Siltcoos Lake near Booth., 43.8454 -124.0928
OSU:V
[needs research] none 1983-06-18
United States, Oregon, Wallowa, Downey Lake., 45.4056 -116.9819, 1494m
OSU:V
Peter F. Zika 12920C 1996-07-20
United States, Oregon, Lake, small bay on NW shore of Dog Lake, 3 air miles SSE of Dog Mt, E of crest of Barnes Rim., 42.0812213765 -120.702409512, 1584m
OSU:V
Charles L. Hitchcock 12878 1945-07-27
United States, Montana, Beaverhead, in small pond one mile southeast of Pintlar Lake, Anaconda Range.
OSU:V
R. Q. Maroney 98-40 1998-08-03
United States, Idaho, Bonneville, Vicinity of transect 1, plot 50 m, Hayfield (7B); SE1/4, SE1/4, NW1/4, 43.086319353 -111.377104325
OSU:V
Jonna Ahl s.n. 1983-08-04
United States, Washington, Ferry, Elbow Lake, ca. 12 mi NE of Inchelium; S end of lake., 48.4754611 -118.314058, 661m
OSU:V
Bassett Maguire 26751 1946-07-31
United States, Oregon, Harney, shallow water of Lily Lkae, Steen Mts., 42.7461 -118.6642
OSU:V
John A. Christy 9663 2001-07-11
United States, Oregon, Union, Ladd Marsh Wildlife Management Are, Refuge Area unit, 5 mi SE of La Grande. Marsh below overlook along Foothill Road., 45.255 -118.0358
OSU:V
Richard E. Brainerd s.n. 2005-08-17
United States, Oregon, Lane, Horse Creek Drainage, Three Sisters Wilderness Area; 12 air miles southeast of McKenzie Bridge., 44.0628 -121.9803, 1207m
OSU:V
Charles L. Hitchcock 24090 1965-07-28
United States, Washington, Clallam, along outlet of Lake Ozette.
OSU:V
John K. Grimes 1282 1978-09-02
United States, Idaho, Owyhee, growing in Pole Creek, a tributary to Deep Creek., 42.5456050222 -116.570419589