HPSU:V
17220 Vernon M. Marttala 4297 1991-07-07
U.S.A., Oregon, Multnomah, Railroad at SE 112th Ave, Portland., 45.522466 -122.549186
HPSU:V
17241 Vernon M. Marttala 4297 2000-05-21
U.S.A., Oregon, Multnomah, Powell Butte Nature Park, Portland., 45.485771 -122.504253
HPSU:V
22373 Dominic Maze 1577 2020-05-19
U.S.A., Washington, Clark, Camas. Northwest 38th Avenue and Northwest Parker Street., 45.608767 -122.45371, 79m
HPSU:V
22376 Dominic Maze 1580 2020-05-19
U.S.A., Washington, Clark, Camas. Property along Lacamas Creek south of intersection of Northeast Ingle Road and Northeast Goodwin Road and north of Northwest Alexandra Lane., 45.639544 -122.453472, 61m
HPSU:V
22381 Dominic Maze 1585 2020-05-19
U.S.A., Washington, Clark, Camas. Property along Lacamas Creek south of intersection of Northeast Ingle Road and Northeast Goodwin Road and north of Northwest Alexandra Lane., 45.639046 -122.452102, 61m
HPSU:V
22638 Dominic Maze 1602 2020-05-19
U.S.A., Washington, Clark, Camas. Property along Lacamas Creek south of intersection of Northeast Ingle Road and Northeast Goodwin Road and north of Northwest Alexandra Lane., 45.639226 -122.453717, 61m
HPSU:V
15514 Philip K. Gaddis MHNF48 2008-08-14
U.S.A., Oregon, Hood River, south slope of Mt. Hood, ~ 1 km west of Mt. Hood Meadows Ski area, 45.331111 -121.678333, 1790m
HPSU:V
13980 Virginia Maffitt s.n. 2008-05-19
U.S.A., Oregon, Washington, Tualatin River National Wildlife Refuge, Oleson Unit (#6)., 45.409365 -122.887758
HPSU:V
13982 Virginia Maffitt s.n. 2008-05-19
U.S.A., Oregon, Washington, Tualatin River National Wildlife Refuge, Oleson Unit (#2)., 45.408716 -122.88761
HPSU:V
15453 Philip K. Gaddis WN95 2013-05-25
U.S.A., Oregon, Clackamas, Willamette Narrows, ~3.5 km ssw town of Willamette., 45.313333 -122.665278, 19m
HPSU:V
15454 Philip K. Gaddis WN94 2012-06-24
U.S.A., Oregon, Clackamas, Peach Cove, ~4.5 km ssw town of Willamette., 45.303611 -122.670833, 52m
HPSU:V
1840 Steven Burton s.n. 1974-05-19
U.S.A., Oregon, Multnomah, [no location given]., 45.537064 -122.255205, 1m
HPSU:V
8254 George Kral 118 1997-08-03
U.S.A., Oregon, Multnomah, SE of NE 185th Drive and NE Marine Drive, Gresham., 45.556552 -122.469932
HPSU:V
8283 George Kral 56 1997-06-17
U.S.A., Oregon, Washington, Cooper Mountain., 45.447818 -122.872553
HPSU:V
8589 George Kral 221 1998-06-03
U.S.A., Oregon, Washington, Cooper Mountain., 45.447457 -122.872639
HPSU:V
8590 George Kral 221 1998-06-03
U.S.A., Oregon, Washington, Cooper Mountain., 45.447607 -122.872639
HPSU:V
8496 Angie Kimpo 314 2001-05-30
U.S.A., Oregon, Washington, Cooper Mt., 45.448542 -122.872514
HPSU:V
16151 Philip K. Gaddis 2106 2015-06-02
U.S.A., Oregon, Clackamas, Peach Cove, 4.5 km ssw Willamette, 45.3025 -122.671389, 48m
HPSU:V
18540 Marsha Holt-Kingsley 116 2017-07-18
U.S.A., Oregon, Washington, Cooper Mountain Nature Park; 4 miles southwest of Beaverton, Oregon at the intersection of Kemmer Rd. and 190th., 45.44391 -122.86976
HPSU:V
19723 Kirsten L. Wright, Adrienne C. Basey 016 2018-08-16
U.S.A., Oregon, Clackamas, Tonquin Scablands; 2.3 miles northwest of Wilsonville, Oregon., 45.32981 -122.79655, 54m
HPSU:V
18492 Jeffrey T. Lesh 875 2018-06-07
U.S.A., Oregon, Clackamas, Aurora, off S Barlow Road, 0.5 miles N of South Zimmerman Road., 45.2039 -122.7223
HPSU:V
20113 Jeffrey T. Lesh 716 2018-05-17
U.S.A., Oregon, Clackamas, Mulino, SW of S Macksburg Road near intersection with S Rosencrantz Road., 45.2028 -122.6026
HPSU:V
20159 Jeffrey T. Lesh 700 2018-05-16
U.S.A., Oregon, Clackamas, Scotsmill, off S Nowlens Bridge Road 1.6 miles SE of Highway 213., 45.05772 -122.67871
HPSU:V
12979 Greg de Nevers 12904 2004-06-15
U.S.A., Oregon, Multnomah, Portland, Oaks Bottom., 45.480114 -122.66098, 25m
HPSU:V
12779 Greg de Nevers 12919 2004-06-15
U.S.A., Oregon, Multnomah, Portland, Oaks Bottom., 45.476262 -122.657547, 25m
HPSU:V
6153 J. McGinty s.n. 1993-06-23
U.S.A., Oregon, Washington, Hwy 210 west, let on Nimbus, south of end of road Oregon wetland study site 0175 SCT 1, P12, 45.448587 -122.793311
HPSU:V
8541 George Kral 272 2000-06-11
U.S.A., Oregon, Benton, Near Airport Road in Finley National Wildlife Refuge., 44.418088 -123.30471
HPSU:V
8542 George Kral 272 2000-06-11
U.S.A., Oregon, Benton, Near Airport Road in Finley National Wildlife Refuge., 44.419375 -123.306599
HPSU:V
8376 George Kral 138 1997-08-17
U.S.A., Oregon, Clackamas, Metro's Clear Creek Ranch., 45.362398 -122.475243
HPSU:V
8375 George Kral 138 1997-08-17
U.S.A., Oregon, Clackamas, Metro's Clear Creek Ranch., 45.364056 -122.47477
HPSU:V
17204 Vernon M. Marttala 4562 1996-06-09
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland., 45.481197 -122.653341
HPSU:V
17221 Vernon M. Marttala 4562a 1996-07-05
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge., 45.481258 -122.652998
HPSU:V
17242 Vernon M. Marttala 4579 1996-07-05
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland. Between SE Mitchell St. and SE Insley St., 45.483905 -122.651753
HPSU:V
17244 Vernon M. Marttala 5096 2000-05-29
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland. West of trail., 45.480565 -122.654243
HPSU:V
17245 Vernon M. Marttala 5094 2000-05-29
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland. North of fence., 45.480565 -122.654243
HPSU:V
17246 Vernon M. Marttala 4579a 2000-05-29
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland. South end of Mausoleum., 45.480565 -122.654243
HPSU:V
18493 Jeffrey T. Lesh 844a 2018-06-05
U.S.A., Oregon, Clackamas, Shady Dell, NE of intersection of S Wright Road and S Fernwood Road., 45.136155 -122.515052
HPSU:V
22361 Dominic Maze 1565 2020-05-19
U.S.A., Washington, Clark, Camas. Northwest 38th Avenue and Northwest Parker Street., 45.608798 -122.455249, 79m
HPSU:V
24835 Angie Kimpo 2022-7 2022-07-29
U.S.A., Oregon, Multnomah, Mt. Hood National Forest, Bull Run Watershed, Bull Run Lake, back of dam., 45.461001 -121.846225
HPSU:V
24866 George Kral 372 2013-07-02
U.S.A., Oregon, Clear Creek, 45.359 -122.476, 73m
HPSU:V
4204 Paul Beiley 33 1979-05-21
U.S.A., Oregon, Multnomah, Larch Mountain Rd. 1 1/2 mi. from top (east) end of road; Bridal Veil, 15' USGS Quad., 45.538507 -122.067579, 1073m
HPSU:V
17186 Vernon M. Marttala, Jack Poff and Bonnie Brunkow-Olson. 5123 2000-07-12
U.S.A., Oregon, Multnomah, Mt. Hood National Forest, Bull Run Watershed, Latourell Prairie, S end of 1/4 mile-long meadow, ca. 1/8 mi NNE of junction of FS Roads 20 and 2030., 45.550818 -122.001154, 930m
HPSU:V
17187 Vernon M. Marttala, Jack Poff and Bonnie Brunkow-Olson. 5122 2000-07-12
U.S.A., Oregon, Multnomah, Mt. Hood National Forest, Bull Run Watershed, Latourell Prairie, S end of 1/4 mile-long meadow, ca. 1/8 mi NNE of junction of FS Roads 20 and 2030., 45.550953 -122.001176, 930m
HPSU:V
19060 Jeffrey T. Lesh 405 2017-08-10
U.S.A., Oregon, Clackamas, South of Dodge. Off Forest Road 4540., 45.092776 -122.257184
HPSU:V
22158 John A. Christy, Patrick Hendrix 10723 2020-07-08
U.S.A., Oregon, Clackamas, Peach Cove Fen, 3 mi NNE of Canby., 45.300214 -122.675219, 41m
HPSU:V
22168 Patrick Hendrix, John Christy s.n. 2020-06-25
U.S.A., Oregon, Clackamas, Peach Cove Fen, 3 mi NNE of Canby., 45.300196 -122.675213, 41m
HPSU:V
23508 Dominic Maze 1764 2021-05-22
U.S.A., Oregon, Multnomah, Zenger Farm wetland. South of the Springwater Corridor Trail and north of Southeast Foster Road between Southeast 117th and 120th Avenues., 45.479477 -122.540528, 61m
HPSU:V
24122 John A. Christy, Patrick Hendrix 10723 2020-07-08
U.S.A., Oregon, Clackamas, Peach Cove Fen, 3 mi NNE of Canby., 45.300214 -122.675219, 41m
HPSU:V
24757 Angie Kimpo 2015-1 2013-06-11
U.S.A., Oregon, Clackamas, Mt. Hood National Forest, Bull Run Watershed, Goodfellow Meadows., 45.425549 -121.973418
HPSU:V
6152 Gordon S. Whitehead s.n. 1993-07-13
U.S.A., Oregon, Washington, Tualatin, behind Tulalatin Industrial park off Tualatin-Sherwood Road. Oregon Wetland Study Site 0243 SCT? PI?, 45.382115 -122.776508
HPSU:V
8622 George Kral 14 1996-08-29
U.S.A., Oregon, Multnomah, Gresham, SE of NE 185th Drive and NE Marine Drive., 45.557724 -122.471305
HPSU:V
8303 George Kral 39 1997-06-03
U.S.A., Oregon, Multnomah, Gresham, SE of NE 185th and Marine Drive., 45.557514 -122.470951
HPSU:V
8256 George Kral 116 1997-08-03
U.S.A., Oregon, Multnomah, Gresham, SE of NE 185th Drive and NE Marine Drive., 45.556823 -122.469932
HPSU:V
17203 Vernon M. Marttala 4754 1998-07-01
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland. W/NW of Sellwood Park., 45.471457 -122.660942
HPSU:V
17205 Vernon M. Marttala 4754b 1998-07-01
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland. W/NW of Sellwood Park; south side of trail on south side of lake, east of railroad tracks. Just SE of the junction of trail and railroad on south side of lake., 45.471337 -122.660839
HPSU:V
19793 Dominic Maze, Olivia Duren 637 2017-05-18
U.S.A., Oregon, Clackamas, 1/4 mile south of Mt. Scott Creek at Rusk Road., 45.427215 -122.605005
HPSU:V
20032 John A. Christy, Phil Gaddis, Brian Vaughn 10635 2015-06-24
U.S.A., Oregon, Clackamas, Oregon City, Willamette Falls, Blue Heron Paper Mill site on S bank of Willamette River. Edge of flooded plunge pools and among leaking dam face, alcove of Willamette River below old powerhouse and grinders., 45.353334 -122.615106, 14m
HPSU:V
24883 George Kral 397 2013-07-18
U.S.A., Oregon, Multnomah, Mirror Lake, 45.542 -122.239, 2m
HPSU:V
17232 Vernon M. Marttala 4753a 1998-08-30
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland., 45.474818 -122.656517
HPSU:V
17233 Vernon M. Marttala 4753 1998-07-01
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland. W/NW of Sellwood Park; grassy meadow on south side of trail on south side of lake; east of railroad tracks. Just SE of junction of trial and the railroad tracks., 45.471367 -122.660889
HPSU:V
18972 Jeffrey T. Lesh s.n. 2016-08-06
U.S.A., Oregon, Clackamas, Damascus., 45.399992 -122.502874
HPSU:V
19068 Jeffrey T. Lesh 446 2017-09-26
U.S.A., Oregon, Clackamas, Colton. Highway 211., 45.16706 -122.52556
HPSU:V
19943 Jeffrey T. Lesh 1149 2019-05-31
U.S.A., Oregon, Josephine, Horseshoe Bend, Rogue River. North side of river., 42.681808 -123.732695
HPSU:V
19987 Jeffrey T. Lesh, Katie Holzer 1196 2019-07-05
U.S.A., Oregon, Multnomah, Gresham, 100 meters West of SE 190th Drive at the end of SW 33rd Street., 45.4734 -122.4684
HPSU:V
23540 Dominic Maze, Colin MacLaren 1795 2021-08-26
U.S.A., Oregon, Multnomah, Harborton Wetlands. Portland Gas and Electric mitigation site on the the Willamette River northeast of Highway 30 and 2 kilometers northwest of Linnton., 45.616842 -122.801279, 9m
HPSU:V
9409 M. Leuno ML49 1973-08-05
U.S.A., Oregon, Multnomah, west of amusement park along Willamette river, 45.472049 -122.662911, 3m
HPSU:V
8374 George Kral 140 1997-08-30
U.S.A., Oregon, Multnomah, North Portland, E of St. Johns Landfill access road., 45.610886 -122.752175
HPSU:V
9145 Georgia Mason 9595 1973-08-08
U.S.A., Oregon, Linn, 4-5 miles SE of Eugene
HPSU:V
8373 George Kral 140 1997-08-30
U.S.A., Oregon, Multnomah, North Portland, E of St. Johns Landfill access road., 45.610885 -122.751618
HPSU:V
7436 Sherry V. Spencer s.n. 1992-11-00
U.S.A., California, Humboldt, Arcata; sewage treatment plant.
HPSU:V
16780 Ruth Martin Hansen, Louise Godfrey. 2400 1973-09-15
U.S.A., Washington, Skamania, Collected by Louise Godfrey at Skamania Landing, mouth of Duncan Creek on sand bar., 45.606262 -122.072697, 7 - 23m
HPSU:V
17235 Vernon M. Marttala 4852 1998-08-22
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland., 45.473554 -122.658148
HPSU:V
17236 Vernon M. Marttala 4639 1997-09-14
U.S.A., Oregon, Multnomah, Beggars Tick Wildlife Area (BTNA), Portland., 45.479242 -122.550902
HPSU:V
17237 Vernon M. Marttala 4639a 1997-10-05
U.S.A., Oregon, Multnomah, Beggars Tick Wildlife Area (BTNA), Portland., 45.479242 -122.550902
HPSU:V
18154 Vernon M. Marttala 5437 2003-09-04
U.S.A., Oregon, Columbia, Sauvie Island (N end)., 45.855561 -122.793119
HPSU:V
20045 John A. Christy, Phil Gaddis, Brian Vaughn 10648 2015-06-24
U.S.A., Oregon, Clackamas, Oregon City, Willamette Falls, Blue Heron Paper Mill site on S bank of Willamette River. Flooded to seasonally wet alcove of Willamette River between old powerhouse, grinders, and clarifier., 45.35329 -122.614973, 7m
HPSU:V
20220 Jeffrey T. Lesh, Nina Lesh 1022 2018-07-13
U.S.A., Oregon, Multnomah, Oxbow Park, Sandy River., 45.490953 -122.302443
HPSU:V
22256 Dominic Maze 1460 2019-09-12
U.S.A., Oregon, Multnomah, Portland. Oaks Bottom Wildlife Refuge., 45.477311 -122.656243, 9m
HPSU:V
24140 Richard E. Brainerd 2920 2018-09-09
U.S.A., Oregon, Polk, Luckiamute Landing State Natural Area North Unit; west shore of the Willamette River at river mile 108., 44.747 -123.13977, 50m
HPSU:V
6373 Sherry V. Spencer s.n. 1995-08-25
U.S.A., Oregon, Hood River, near hood river
HPSU:V
1521 Pamela J. McMullen s.n. 1973-07-16
U.S.A., Oregon, Multnomah, E. bank of Willamette river; area often submerged, 45.469087 -122.654489
HPSU:V
8263 George Kral 112 1997-08-03
U.S.A., Oregon, Multnomah, Gresham, SE of NE 185th and Marine Drive., 45.556763 -122.469835
HPSU:V
17234 Vernon M. Marttala 5131 2000-08-13
U.S.A., Oregon, Multnomah, Oaks Bottom Wildlife Refuge, Portland. South end east side by 'composters.', 45.472276 -122.657386
HPSU:V
11904 J. Reynolds 33 2000-10-29
U.S.A., California, Alameda, Lake Chabot.
HPSU:V
15353 Philip K. Gaddis WN103 2013-07-25
U.S.A., Oregon, Clackamas, Peach Cove, ~4.1 km ssw town of Willamette., 45.303889 -122.667389, 18m
HPSU:V
19811 Dominic Maze 444 2017-09-29
U.S.A., Oregon, Multnomah, Willamette Park., 45.471176 -122.669573
HPSU:V
20205 Jeffrey T. Lesh 1041 2018-09-04
U.S.A., Oregon, Clackamas, Oregon City. Lower Clackamas River, 400 meters downstream from High Rocks., 45.3778 -122.58726
HPSU:V
20850 John A. Christy 10533 2012-10-02
U.S.A., Oregon, Multnomah, Rooster Rock State Park, Sand Island., 45.553624 -122.19656, 5m
HPSU:V
24896 George Kral 549 2015-08-02
U.S.A., Oregon, Multnomah, Columbia River bank just east of Chinook Landing., 45.5642 -122.4171, 3m
HPSU:V
24932 George Kral 549 2015-08-02
U.S.A., Oregon, Multnomah, Columbia River bank just east of Chinook Landing., 45.564191 -122.417103, 3m
HPSU:V
8499 Angie Kimpo 311 2001-08-01
U.S.A., Oregon, Multnomah, smith lake, 45.614205 -122.737573
HPSU:V
17847 Ruth Martin Hansen 4682 1977-07-28
U.S.A., Oregon, Multnomah, Rooster Rock State Park, Columbia Gorge., 45.54483 -122.246866, 12m
HPSU:V
21197 Angie Kimpo s.n. 2007-00-00
U.S.A., Oregon, Clackamas, Willamette Narrows, 4 mi. S of West Linn, 1.5 mi. S of Willamette Park., 45.314722 -122.6675, 50m
HPSU:V
17134 Vernon M. Marttala 5446 2004-07-15
U.S.A., Oregon, Clackamas, Southwest side of 'W' Goodfellow Lake., 45.422966 -121.972478
HPSU:V
21208 Angie Kimpo 2015-18 2015-07-27
U.S.A., Oregon, Clackamas, Good Fellow Meadows., 45.425551 -121.97342
HPSU:V
22174 Patrick Hendrix, John Christy s.n. 2020-06-25
U.S.A., Oregon, Clackamas, Peach Cove Fen, 3 mi NNE of Canby., 45.300518 -122.674652, 41m
HPSU:V
10029 Mary Pfauth 03CL3ELAC 2003-09-08
U.S.A., Oregon, Lane, Florence, Clear Lake., 44.02304 -124.08441
HPSU:V
6151 Joe Blowers s.n. 1993-07-09
U.S.A., Oregon, Washington, Right on SW 195th Avenue from SW Baseline Road to end of road through Seminole Estates Trailer Park. Oregon Wetland Study Site #P17, SCT2, P5., 45.521194 -122.885667
HPSU:V
13371 Virginia Maffitt s.n. 2007-05-25
U.S.A., Oregon, Washington, Tualatin River National Wildlife Refuge, Morand Unit, 19255 SW Pacific Hwy, Sherwood, 97140., 45.393983 -122.822733, 37m
HPSU:V
15770 Erin Riggs 60 2010-08-00
U.S.A., Oregon, Multnomah, North Portland, Smith and Bybee Wetlands Natural Area, 45.637972 -122.761896, 6m