Oaks and Stream, Konza Prairie, Kansas, May 14, 1978

May Apple, near Harrisburg, Pennsylvania, May 13, 1957

Fern Frond and Stump, Adams Trail, Seney, Michigan, June 30, 1973

Moss on Log, Seney, Michigan, June 18, 1973

Beech Leaves and Fungi, Adams Trail, Seney, Michigan, July 2, 1973

Prickly Pear Fruit, Whitmore Wash, Arizona, August 16, 1969

Granite Boulders, McGlathery Island, Maine, August 11, 1974

Canyon Wall, Toroweap Point, Arizona, August 12, 1969

Atlantic Wharf, Stonington, Maine, August 14, 1974

Raspberries and Wet Grass, Great Spruce Head Island, Maine, June 21, 1978

Strawberries, Oak Island, Maine, July 4, 1978

Rhodora canadense, Silver Lake, New Hampshire, May 25, 1953

Rhodora canadense, Silver Lake, New Hampshire, May 25, 1953

Twin Flower, Silver Lake, New Hampshire, June 14, 1953

Twin Flower, Silver Lake, New Hampshire, June 14, 1953

Red Maple and Birches, Road to Passaconaway, New Hampshire, October 11, 1953

Cliff, Sabbaday Falls, New Hampshire, October 6, 1952

Oak and Huckleberry Leaves, Silver Lake, New Hampshire, October 11, 1952

Clintonia borealis, Silver Lake, New Hampshire, May 30, 1953

Windfall Branch, Chocorua, New Hampshire, October 2, 1952