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Vicinity of Minehead, England

Red Lake Provincial Park

Devils Lake. On wooded hillside.

Argyle State Park. Growing on locust with Phaeophyscia hirtella Essl.

Adjacent to Bell Pond Natural Area

Route 39, above the 3rd falls of Hills Creek Scenic Area, elevation 3200 feet, 20 miles east of Richwood. On steep slope in woods.

Aldo Leopold Reserve. Growing with Candelaria concolor (Dickson) Stein and Physcia stellaris (L.) Nyl.

Stephen C. Foster State Park, Trembling Earth Nature Trail.

Cypress Swamp, Route 41.

East Lake of Twin Lakes.

North Arm of Lake Itasca at the University of Minnesota Forestry and Biology Station.

Wamble Mountain near Herod

Kaskaskia Experimental Forest

Okefenokee Swamp, Stephen Foster Park.

Dixon Springs State Park east of Vienna

Okefenokee National Wildlife Refuge, Chase Prairie, Suwannee Canal Recreation Area.

Okefenokee National Wildlife Refuge, Coffee Run Shelter, Suwannee Canal Recreation Area.

Boreal forest, along G130, off Route 299 (logging road).

Stephen C. Foster State Park, Suwannee Sills Narrows.

Big Horn Mountains, between Cloud Peak and Black Tooth, altitude 10,000 to 10500 feet.

7 mile north of Colorado border, elevation 8000 feet. Southern Albany County.

Big Cypress Preserve, Hardwood hammock in Everglades National Park, Hunter's Hammock number 88

Everglades National Park. Mahogany Hammock

7,800 feet, T. 13N, R. 77W, Sect. 22. Sixth principal meridian.

East fork of Chippewa River at junction with Roue B. UTM Zone 15. Barker Lake

Okefenokee Swamp State Park, southeast Georgia.

White Mountain National Forest, 4000 foot level, Mount Washington Auto Road

Big Cypress National Preserve, Pinecrest.

Glacier National Park, Going to the Sun Road, Lowlands

Great Smoky Mountains National Park. Quiet Walkway along Highway 441.

Champaign. William Street near corner with Elm Boulevard.

Dixon Springs State Park, east of Vienna

Starved Rock State Park

South tract of Murphy Preserve.

Wharton State Forest and vicinity of Godfrey Bridge Camping Area, near the West Branch-Wading River. South of Speedwell along Route 563, about 0.6 mile north of junction 563 and Spur Route 563.

Ocala National Forest. Forest Road near Lake Dorr.

West side of Standing Stone Lake

Wabigoon River junction with Red Lake Road, Kenora District Wabign Township.

Monongahela National Forest, Otter Creek Wilderness; Otter Creek Trail (# 131) going north from teh Yellow Creek Traill, near junction of Devils Gulch with Otter Creek.

At Cochenour on Red Lake Road.

4000 foot level, Mount Washington.

Monongahela National Forest, Cranberry Back Country.

0.17 mile north of Smith County along Route 80

Midland Hills south of Carbondale

Fern Rocks Nature Preserve

Fifty Mile Bend. Tamiami Trail (US Route 41). Big Cypress National Preserve.

Fifty Mile Bend. Tamiami Trail (US Route. 41). Big Cypress National Preserve.

802 South Elm Boulevard. Champaign.

Champaign, back yard at 802 South Elm Boulevard.

The Great Smoky Mountains National Park. Quiet Walkway, Highway 441. Along the West Prong of the Little Pigeon River across from Thirst Branch.