- Bank of Catherine Creek Highway near Pole Creek, Wallowa Mts., 16 miles SE Union1
- Below Multnomah Falls, US Route 80N along Columbia River, 9 miles WSW Bonneville1
- Brookings1
- Bush's Pasture, Salem1
- Cala Valley1
- Camp (State Park), Route US 26, ½ mile SE of Rhododendron, Mt. Hood1
- Campus of Oregon State University1
- Cascade Mountains1
- 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
- Corvallis, Oregon State University campus, Cordley Hall parking lot1
- Corvallis; Jackson-Frazier Wetland1
- Coyote Creek, Lorane-Eugene Rd.1
- Dabney State Park, about 6 mi. E. of Gresham1
- Dells of Columbia1
- Douglas1
- East Portland1
- East of Portland, along Columbia River, Latourell Falls, A.B.S. Foray1
- Ecola State Park, just north of Cannon Beach; along the road from Indian Beach to Bird Point1