HPSU:V
3377 Sally Haslanger SH01 1976-07-04
U.S.A., Oregon, Clackamas, Mt. Hood National Forest, near Rhododendron; FS Rd. 27, at junction with S-27A., 45.317408 -121.885958, 1097m
HPSU:V
2731 Dave Woster DW45 1975-05-10
U.S.A., Oregon, Clackamas, North of Clackamas High School; Milwaukie., 45.422004 -122.532921, 30m
HPSU:V
12196 Angela Carter 11 2006-05-22
U.S.A., Oregon, Multnomah, The base of Powell Butte, Portland., 45.479722 -122.505556, 85m
HPSU:V
4068 Doug Smith DS11 1979-08-01
U.S.A., Oregon, Washington, 2 miles east on Round Top, near Gales Creek., 45.67012 -123.317641, 610m
HPSU:V
4915 Howard Houser HH14 1983-04-28
U.S.A., Oregon, Multnomah, Above first tunnel on Cornell Rd, coming from Portland., 45.529899 -122.727688, 168m
HPSU:V
8648 Melinda Trask, Ela Abrams 16 2001-05-13
U.S.A., Oregon, Clackamas, West Linn, Camassia Preserve, across Willamette River from Oregon City., 45.360409 -122.617724, 91m
HPSU:V
8681 Melinda Trask, Ela Abrams 51 2001-06-12
U.S.A., Oregon, Clackamas, West Linn, Camassia Preserve, across Willamette River from Oregon City., 45.360409 -122.617724, 91m
HPSU:V
8493 George Kral 317 2001-05-25
U.S.A., Oregon, Washington, Sherwood, Tualatin River National Wildlife Refuge., 45.385069 -122.840881
HPSU:V
13789 Dorothy F. McKey-Fender 87B 1939-05-28
U.S.A., Oregon, Polk, Saddle Bag Mountain ["Saddle Mountain", Saddleback Mountain], Boyer., 45.068904 -123.71992
HPSU:V
4164 N. R. Schuff 61 1979-05-26
U.S.A., Oregon, Clackamas, 1/4 mile north of the overpass at the Orient/Damascas exit beside the road on the north side of the highway; Vancouver Quad., 45.425225 -121.973149, 183m
HPSU:V
1016 Pat Ross s.n. 1958-04-02
U.S.A., Oregon, Portland., 30m
HPSU:V
12269 Mark Fishbein, Lane Greer 5789 2006-05-29
U.S.A., Washington, Skamania, Cascades, ridge between Bear Creek and Lava Creek, just east of Grassy Knoll, about 3 mi southeast of Big Huckleberry Mountain, about 7 mi northeast of Carson., 45.815 -121.752, 1060m
HPSU:V
13309 Mor Moua 2 2007-04-29
U.S.A., Oregon, Washington, Morand Unit, of Metro Greenspaces administered by Tualatin Wildlife Refuge near Sherwood, 15 miles southwest of downtown Portland, along Hwy 99W, down Pacific Drive on a dirt road., 45.394717 -122.82395
HPSU:V
10036 Ruth Martin Hansen 928 1970-08-09
U.S.A., Oregon, Wasco, Wapinitia, Highway 216., 45.119485 -121.255648
HPSU:V
3172 Lance Morgan LM25 1976-05-08
U.S.A., Oregon, Yamhill, Rt. 1 Box 400 Dundee.
HPSU:V
10034 Ruth Martin Hansen 1672 1972-05-27
U.S.A., Oregon, Clatsop, Saddle Mt.
HPSU:V
5143 Guy Romine s.n. 1988-05-20
U.S.A., Oregon, [Multnomah], Near Oneonta Bridge on Hwy 30., 122m
HPSU:V
13402 Christian Haaning 4 2007-05-06
U.S.A., Oregon, Clackamas, Along Oak Grove Fork (of Clackamas River), near Ripplebrook Campground in Mt. Hood National Forest, off of SR 224 near Ripplebrook Ranger Station; near campground entrance near Oak Grove Fork., 45.079554 -122.042476
HPSU:V
12909 Angie Kimpo 601 2006-05-17
U.S.A., Oregon, Clackamas, Metro Schierholtz property, just east of Pete's Mountain Road at 29300 SW Pete's Mountain Road, West Linn., 45.308443 -122.673282
HPSU:V
11051 Michael A. Flinn 1323 1910-03-22
U.S.A., Oregon, Multnomah, Portland, in forest., 45.53498 -122.632459
HPSU:V
11053 Joseph Howell 1326 1909-06-00
U.S.A., Oregon, Josephine, Siskiyou Mountains.
HPSU:V
15417 Philip K. Gaddis WN45 2013-06-13
U.S.A., Oregon, Clackamas, Willamette Narrows, ~3.7 km ssw town of Willamette., 45.312222 -122.670833, 70m
HPSU:V
15963 Kris Freitag OR931-64 2011-06-22
U.S.A., Oregon, Powell Butte Nature Park: from NW corner of Elderberry Trail, west on Cedar Grove Trail at Junction, south on Blacktail Deer Trail, ending little after junction with Wild Hawthorne Trail., 45.48735 -122.51668, 135m
HPSU:V
18110 Vernon M. Marttala, Bonnie Brunkow Olson, Robert J. Brown. 5384 2002-08-15
U.S.A., Oregon, Columbia, Sauvie Island., 45.851377 -122.792269
HPSU:V
19027 Jeffrey T. Lesh 326 2017-06-09
U.S.A., Oregon, Clackamas, Oregon City. Old Canemah Park., 45.348411 -122.618042
HPSU:V
19394 Aaron Ross, Hayley Darby, Mike Wilder, Kylee Hartman 16 2009-05-14
U.S.A., Oregon, Multnomah, Portland. Approximately 800 feet down Marquam Trail from Council Crest Park., 45.49856 -122.70812, 244 - 305m
HPSU:V
19924 Jeffrey T. Lesh 685 2018-05-11
U.S.A., Oregon, Clackamas, Shady Dell, NE of intersection of S Wright Road and S Fernwood Road., 45.132666 -122.516368
HPSU:V
20193 Jeffrey T. Lesh 802 2018-05-30
U.S.A., Oregon, Clackamas, Oregon City, 300 meters North of Balancing Rock., 45.311174 -122.660119
HPSU:V
20550 John A. Christy 10419 2012-06-18
U.S.A., Oregon, Washington, Metro's Moore property, just E of Killin Wetland, 0.8 mi W of Banks., 45.615255 -123.129832, 56m
HPSU:V
21122 Dominic Maze 1062 2019-07-15
U.S.A., Washington, Clark, Camas. Lacamas Creek Trail., 45.598924 -122.399012, 116m
HPSU:V
21240 Angie Kimpo s.n. 2008-04-10
U.S.A., Oregon, Clackamas, Canemah Bluff; south of West Linn, at its confluence with the Tualatin River the Willamette River., 45.336853 -122.637248
HPSU:V
21649 Dominic Maze 1316 2017-10-26
U.S.A., Oregon, Multnomah, Portland. "9 Fern Hill", Forest Park. Southwest facing slope above Saltzman Creek., 45.561562 -122.751657, 110m
HPSU:V
23467 Dominic Maze, Cyrene Maze 1723 2021-05-07
U.S.A., Oregon, Clackamas, Partially forested area between Sherwood and Wilsonville. 200 meters southeast of Coffee Lake., 45.328771 -122.794491, 55m