Lobster Pots and Fence, Stonington, Maine, July 11, 1964

Lichen, Rock, Grass, Little Spruce Head Island, Maine, July 26, 1963

Window, Pot Buoy, Flag, Stonington, Maine, July 31, 1963

Lichen-covered Branch, Great Spruce Head Island, Maine, August 9, 1954

Cobwebs and Grass, Great Spruce Head Island, Maine, August 1954

Cobwebs on Grass, Great Spruce Head Island, Maine, August 20, 1954

Cobwebs and Grass, Great Spruce Head Island, Maine, August 1954

Bunchberry Leaves and Crowberry, Great Spruce Head Island, Maine, August 20, 1954

Lichens, Kaldidalur, Iceland, July 9, 1972

Flowering Heath and Lichen, Myvatn, Iceland, July 21, 1972

Pond at Fjnllsarlon, South Coast, Iceland, August 1, 1972

Mist from Falls, Dettifoss, Iceland, July 24, 1972

Spruce Trunks and Grass, Great Spruce Head Island, Maine, August 9, 1954

Crabs and Shells, Maine, August 1942

Wet Leaves in Rain, Great Spruce Head Island, Maine, July 1954

Beach Stones on Granite Rock, Gott's Island, Maine, September 14, 1955

Green Bottles, Matinicus Island, Maine, August 24, 1954

Green Bottles, Matinicus Island, Maine, August 24, 1954

Gott's Island, Maine, September 1955

Small Stream and Ice, New Harbor, Antarctica