Jewel Weed, Great Spruce Head Island, Maine, August 30, 1954

Grass, Great Spruce Head Island, Maine, July 6, 1963

Roots and Bay Leaves, Great Spruce Head Island, Maine, July 13, 1963

Sponges and Anemones, Anemone Cave, Mount Desert Island, Maine, August 6, 1965

Lichen and Birch Bark, Great Spruce Head Island, Maine, July 13, 1964

Yellow Grass, Backlighted, Great Spruce Head Island, Maine, July 20, 1964

Spruce Tree with Dead Branches, Great Spruce Head Island, Maine, July 5, 1963

American Eider's Nest, Barred Islands, Chain Links, Maine, June 1, 1964

Rain Drops on Cobweb, Great Spruce Head Island, Maine, July 14, 1964

Senecio and Red Top Grass, Dirego, Maine, August 14, 1954

Moss, Lava, Lichen, Near Kirkjubaejarklaustur, Iceland, July 2, 1972

Moss at End of Glacier near Skogar, Iceland, July 5, 1972

Cinders on Glacier near Skogar, Iceland, July 5, 1972

Hillside of Moss and Grass, North of Dalvik, Iceland, July 20, 1972

Abandoned Farm, South Coast, near Hofn, Iceland, August 3, 1972

Flowering Heath and Round Stones Flaajokull, South Coast, Iceland, July 31, 1972

Icelandic Turf Farm near Laufas, North of Arureyri, Iceland, July 18, 1972

River Canyon Junction, Oxnadalsheidi, West of Akureyri, Iceland, July 19, 1972

Fungus and Grass, Great Spruce Head Island, Maine, July 8, 1964

West Penobscot Bay, Sloop Island, Maine, August 23, 1973