New York City, 1979

New York City, 1979

New York City, 1979

New York City, 1979

New York City, November 1979

Broom and Lichened Rock, Banks Peninsula, New Zealand, November 16, 1975

Birches and Ferns, Beartown Mountain, Massachusetts, May 20, 1961

New York City, 1979

New York City, 1979

Flame Azalea, Laurel Falls Trail, Great Smoky Mountains National Park, Tennessee, May 10, 1968

Flame Azalea, Laurel Falls Trail, Great Smoky Mountains National Park, Tennessee, May 10, 1968

Small Cascade, Trillium Gap Trail, Great Smoky Mountains National Park, Tennessee, May 9, 1968

Brook on Alum Bluff Trail, Great Smoky Mountains National Park, Tennessee, June 27, 1968

Lichen and Moss on Rock, Clingman's Dome, Great Smoky Mountains National Park, Tennessee, May 11, 1968

Oxalis and Ferns, Appalachian Trail, Great Smoky Mountains National Park, Tennessee, June 29, 1968

Azalea and Spruces, Alum Bluff Trail, Great Smoky Mountains National Park, June 27, 1968

Abandoned Logs, Ramsey Cascade Road, Great Smoky Mountains National Park, Tennessee, April 6, 1968

Trillium grandiflorum, Newfound Gap Road, Great Smoky Mountains National Park, Tennessee, April 7, 1968

White Wake Robin, Walnut Bottom, Great Smoky Mountains National Park, Tennessee, April 14, 1968

Landscape with Dogwood, Newfound Gap Road, Great Smoky Mountains National Park, Tennessee, April 13, 1968