Explore

E slope of Comb Ridge, canyon off Butler Wash.

Near Pishelville, along Niobrara River.

Clearwater, along walk.<br/>

Siuslaw National Forest, 11 km E of Florence.

Slayton Farm.

Paparoa Range, N flank of Mt. Euclid, in vicinity of Morgan Tarn.

Willamette National Forest, below Pacific Crest Trail, ca. 2 mi N of Santiam Pass, on small ridge ESE of Martin Lake.

Valentine, Minecaduza Creek in City Park.

"Lone Rock", 6 mi S of Westport.

4 mi W of Vaughn, gravel road leading from Vaughn to Highway 126.

Iron Town.

Umpqua National Forest, North Umpqua River, foot of Calf Creek, near Horseshoe Bend.

Oregon Caves National Monument, 20 mi ESE of Cave Junction. Metavolcanic outcrop along lower Lake Mountain Trail, just above junction with Big Tree Trail.

Fremont, Wild Court Park.

University of Michigan Biological Station, near Burt Lake.

Oaks Bottom Wildlife Refuge.

Iron Mountain, S side of Skagit River opposite Hamilton.

Tatra Mountains, Nízké Tatry, Ďumbier.

Salem BLM District, ca. 3.2 km SE of Amity.

Eugene, IOOF Pioneer Cemetery, adjacent to University of Oregon campus.

Naselle.

Near Ashland.

Clarke City, next to community recreation center.

Seattle, University Station.

Cedar Breaks.

3.2 mi. SE of Beaverton, Maplewood, Gaddis home garden.

Portland, back of City Park [Washington Park].

Peach Cove Preserve, 3 mi south West Linn.

SW Portland, SW Sam Jackson Parkway just east of entrance to Marquam Trail. Sam Jackson Reservoir #2.

Baskett Slough National Wildlife Refuge.

Portland, Forest Park, 0.3 mi west of Hwy 30, 0.8 mi south of St. Johns bridge, behind police vehicle storage yard.

Steigerwald National Wildlife Refuge, Washougal.

Mt. Hood National Forest, Salmon River Trail #742

1 mi E of Troutdale, Sandy River, basalt road cut at E end of old Halsey Street Bridge.

Mt. Hood National Forest, Little Crater Meadow.

Lower Table Rock, 5.4 mi WNW of White City.

Rogue River-Siskiyou National Forest, N-facing igneous outcrops just below Elk Wallow Overlook Trail, 2 mi SW of Bear Camp Lookout.

Peach Cove, ~4.1 km ssw of town of Willamette

Mt. Hood National Forest, Wahkeena Falls, 1 mi WSW of Multnomah Falls.

Mt. Hood National Forest, east slope of Lookout Mountain, Trail 543 from 15 Mile Campground on Road 4420 along Fret Creek to Oval Lake.

Padden Wetland, northeast of intersection or NE 78th St. X Andresen Rd.

Hillsboro, Tanasbourne area.

Oregon City, Willamette Falls, site of Blue Heron Paper Mill.

Portland, Magoon\'s Landing.

Gearhart Fen, 2 mi NE of Gearhart, 0.5 mi S of Delmoor Station, E of railroad tracks.

Deschutes National Forest, Y-shaped fen 0.9 mi NNE of Crescent Lake Junction. Plot 1-4.

Mt. Hood National Forest, on S side of Abbott Road, across from Frying Pan Lake, 12.8 km S of Government Camp.

Troutdale

Peach Cove, 3 mi south of West Linn.

4.1 mi W of Monmouth, on road to Falls City.