- Along river near coast1
- Along the Eleven Point River in the vicinity of Mo. 19. ca. 2 miles NE of Greer1
- At the base of Latourell Falls along the Columbia River Gorge, on cliff1
- Below Multnomah Falls, US Route 80N along Columbia River, 9 miles WSW Bonneville1
- Cascade Range; Willamtte National Forest; about one mile east of Idanha along State Hwy. 22, at junction with Cooper Ridge Road1
- Columbia River Gorge, along US Hwy. 30, 5.3 miles east of Memaloose Park in Mayer State Park1
- Columbia River Gorge, off of Interstate Hwy. 84 at Exit 40 (Bonneville Dam), along Tanner Creek1
- Coos1
- Corvallis; Jackson-Frazier Wetland1
- Coyote Creek, Lorane-Eugene Rd.1
- Dells of Columbia1
- Douglas1
- East Portland1
- East of Portland, along Columbia River, Latourell Falls, A.B.S. Foray1
- Eleven Point River in the vicinity of Mo. 19, ca. 2 miles NE of Greer1
- Eugene, Ben Pruett's place1
- Flat Pond ca. 17.6 km SW of Winona off Hwy. 19 Mark Twain National Forest1
- Jackson Park, near US Veterans Hospital, Portland1
- Klamath1
- Lake Clearwax, near Florence.1