Chaotic fall leaves
Macromiid dragonfly larva
Hackberry butterfly gathering
Rattlesnake master blooms
Sunflowers in monarda
Redwing blackbird fall flock
Snow and blue geese takoff–Sue Post
Swamp marigold bloom at Little Black Slough
A spring American beech forest located in a deep ravine in southern Illinois
Fall leaves and dead branches "organize" themselves on the forest floor
A waterfall in winter creates a very otherworldly look
Sedum growing on a sandstone ledge in the Shawnee National Forest
Bald cypress knees, growing to help stabilize the tree in moist soil, can be nearly as old as the tree.
Blackjack oak in bloom on sandstone glade in southern Illinois
Liesegang Rings are caused by the differential erosion of iron-rich sandstone
Stunted vegetation on a sandstone glade
A communal threat display by yellow-necked caterpillars
Sunset after a mid-winter blizzard in the Cache River State Natural Area
Lichen encrusted ledge of Pounds Sandstone
Prairie trillium is the common trillium found throughout Illinois
Flood line at Oxbow Lake with bald cypress
Male peacock
boreal ferns
New Hampshire forest
Yellow trout lilies
Appalachian stream
Elk thistle
Tree root tipup
North Carolina roadcut
Solomon's seal
Rocky Mountain forest
Quaking aspens
Fringed gentian in geyser runoff channel
Lodgepole pine after Yellowstone burn
Wildflower meadow in Bighorn Mountains
Lakebed pattern
Namibian streambed
Opuntia thicket
Aspen forest, Utah
Century plant
Chain cholla
Saguaro cactus pattern
Fishhook cactus
Gull patterns
Namibian desert mountains
Skeleton Coast Dune, Namibia