Red Leaves Over Little River, on Road to Cades Cove, Great Smoky Mountains National Park, Tennessee, October 7, 1967

Shad Tree, Little River, Great Smoky Mountains National Park, Tennessee, April 5, 1968

Redbud and Tulip Poplar, Route 129 to Foothills Parkway, Great Smoky Mountains National Park, Tennessee, April 9, 1968

Beech and Bare Trees, West Prong, Little Pigeon River, Great Smoky Mountains National Park, Tennessee, October 13, 1967

Wet Rocks at Foot of Waterfall, Roaring Fork Circle Road, Great Smoky Mountains National Park, Tennessee, April 10, 1968

Yellow Violets, Rainbow Falls Trail, Great Smoky Mountains National Park, Tennessee, April 12, 1968

Sunflowers on Hillside, Chama, New Mexico, August 17, 1957

Spring Beauty on Trail from Indian Gap to Chimney Tops, Great Smoky Mountains National Park, Tennessee, April 13, 1968

Waterfalls and New Green Leaves, Roaring Fork Road, Great Smoky Mountains National Park, Tennessee, April 23, 1968

Tree and Mountain Valley, Great Smoky Mountains National Park, Tennessee, March 11, 1969

Canadian Wood Sorrel, Oxalis, Trail to Andrews Bald, Great Smoky Mountains National Park, North Carolina, June 27, 1968

Dwarf Rhododendron, Charlies Bunion, Great Smoky Mountains National Park, Tennessee, June 29, 1968

Firs and Pine Trunk on Road to Halfway, Wallowa National Forest, Oregon, July 10, 1975

Balsam Forest, Clingman's Dome, Great Smoky Mountains National Park, Tennessee, May 11, 1968

Spruce Trees in Clouds, Clingman's Dome, Great Smoky Mountains National Park, Tennessee, June 26, 1968

Maples and Firs, Hoh Rain Forest, Olympic Peninsula, Washington, July 24, 1975

Canyon Bottom, Ernst Tinaja, Big Bend National Park, Texas, November 2, 1978

Cactus Blossoms, Big Bend National Park, Texas, May 21, 1950

Cow Skeleton, Cow Lakes, near Jordan Valley, Oregon, July 11, 1975

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