UTC
Arthur R. Kruckeberg 1864 1950-06-21
United States, Oregon, Josephine, 3 miles west of Gasquet Trail marker on Wimer Road in O'brien area.
UTC
Richard R. Halse 6195 2002-06-18
United States, Oregon, Umatilla, Along State Hwy. 204, 6.3 miles west of it junction with Lincoln Mtn. Road., 45.7875 -118.2833333
UTC
Alison Colwell JM195
United States, Oregon, Lake, Hart Mountain National Antelope Refuge ; Hot Springs Campground, on Rock Creek, 42.4983 -119.6897
UTC
Charles R. Williams CRW-011 1996-06-07
United States, Oregon, Lake, Hart Mountain National Antelope Refuge; West of Hot Springs Campground. Near ridge top above campground. Due W of Hot Springs Camp on hillside., 42.4983333333333 -119.690833333333
UTC
Bassett Maguire 26458 1946-06-18
United States, Oregon, [needs research], 23 miles east of Bend
UTC
Richard R. Halse 4765 1994-07-17
United States, Oregon, Yamhill, In the Coast Range about .5 miles SE of Fairdale, 45.3548539365 -123.326925863211
UTC
Arthur J. Cronquist 6409 1950-05-25
United States, Oregon, Morrow, 15 miles east of Heppner., 45.3533 -119.233054685128
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Robert Goff 14 1996-06-07
United States, Oregon, Lake, Hart Mountain National Antelope Refuge ; Hill east of Hot Springs Campground., 42.4986111111111 -119.691388888889
UTC
[needs research] 2002-05-30
United States, Oregon, Umatilla, At milepost 4 going west on the Old Emigrant Hill Scenic Highway, southeast of Pendleton
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Charles L. Hitchcock 5101 1939-07-01
United States, Oregon, Douglas, Hershberger Butte, ca. 13 miles northwest of Union Creek., 43.0356 -122.4536
UTC
Richard R. Halse 1591 1977-05-31
United States, Oregon, Lincoln, By the O.S.U. Marine Science Center at Newport south side of Yaquina Bay., 44.6194 -124.0444
UTC
Carol R. Annable 2469 1995-06-25
United States, Oregon, Harney, Steens Mtn Recreation Land(BLM); ca 6.5km E of Frenchglen
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Charles L. Hitchcock 4959 1939-06-27
United States, Oregon, Klamath, 10 miles southwest of Headquarters at Crater Lake., 42.79427873 -122.272839675071
UTC
Richard R. Halse 3143 1985-07-09
United States, Oregon, Yamhill, In the Coast Range at Walker Flat about 11.5 airline miles west of Carlton., 45.2978 -123.4167
UTC
[unknown]
United States, Oregon, Klamath, detailed locality information protected
UTC
Richard R. Halse 6354 2003-05-26
United States, Oregon, Wasco, Along Stat Hwy 218, ca. 12.5 miles east of Antelope.
UTC
Albert N. Steward 6163 1952-06-22
United States, Oregon, Lincoln, Near Highway 101, between Newport and Seal Rock.
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Noel H. Holmgren 3153 1968-05-13
United States, Oregon, Lincoln, South beach near south end of Yaquira Bay Bridge., 44.6128 -124.0475
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William C. Cusick 3469 1910-06-24
United States, Oregon, Umatilla, Near Laman Springs, Blue Mountains, 45.1531 -118.6608
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Arthur R. Kruckeberg 2012 1950-06-28
United States, Oregon, Jackson, Rogue River National Forest; Along Rogue-Umpqua Divide, 1 mile northeast of Butler Butte.
UTC
[unknown]
United States, Oregon, Klamath, Beatty Yellow Jacket Spring Rd, 42.4419 -121.2697
UTC
F. B. Wann 4660
United States, Oregon, Union, Blue Mountains