White Flowers
Vegetation and Stream Colorado Rocky Mountains
Treeline Colorado Rocky Mountains
Treeline Central Colorado Rockies
Tree Line James Peak Colorado
Tiny Primrose Alpine Rocky Mountains
Sunflower Relative Colorado Rocky Mountains
Strawberry Plant Colorado Rocky Mountains
Sedge Hummocks Colorado Alpine Tundra
Rocky Fell Field Mountains of Colorado
Rocky Fell Field Colorado Rockies
Reflective Tarn Downslope of Andrews Glacier
Primroses Meadows of Colorado Rocky Mountains
Pika above Timberline Rocky Mountain National Park
Parasitic Plant Forest of Colorado Rockies
Over mature Columbine, Colorado State Flower
Orchid Found in Evergreen Forests Colorado Rocky Mountains
Old Man of the Mountain Sunflower (Hymenoxys Grandiflora)
Niwot Ridge, Colorado Alpine, Rocky Mountains
Mountain Laurel
Meadow Plant, Colorado Rocky Mountains
Meadow Plant Colorado Rocky Mountains
Landscape View, Colorado Rockies
Landscape View of Colorado Rockies
James Peak, Colorado
High Mountain Alpine Plant
Forget-Me- Not Cushion Plant, Colorado Rockies
Flag-Form Trees near Timberline Colorado Rockies
Flag-Form Trees Colorado Rockies
Famous Alpine Ecologist John Marr Lecturing University of Colorado
Evergreen Forests in Colorado Rocky Mountains
Dwarf Willow Alpine Colorado Rockies
Dr. Paul Kilburn Summer Instructor of Mountain and Alpine Ecology Classes
Dr. John Marr Lecturing to Alpine Ecology Class
Dr. Harold Lutz Lecturing University of Colorado Mountain Ecology Class
Doll's Eyes, Rocky Mountain Colorado
Cushion Plant, Colorado Alpine
Cushion Plant, Alpine, Colorado Rockies
Columbine, Colorado State Flower
Colorado Rockies near Estes Park
Colorado Rockies
Close-up of Bristlecones Pine Krummholz
Campground near Estes Park, Colorado
Buttercups in Melting Snow, Colorado
Buttercup Through Snow, Rocky Mountain National Park
Buttercup Alpine Colorado Rockies
Bristlecone Pine near Timberline James Peak, Colorado
Bristlecone Pine Krummholz on James Peak Colorado
Bristlecone Pine Krummholz James Peak, Colorado
Bristlecone Pine Krummholz James Peak, Colorado
Bristlecone Pine Krummholz James Peak, Colorado
Black Sedge Alpine Colorado Rockies
Barren, Rocky Slope Alpine Colorado Rockies
Arctic and Alpine Valuable Plant for Science
Andrews Glacier Colorado Rocky Mountains
Andrews Glacier and Valley Rocky Mountains Colorado
Andrews Glacier and Lake Colorado Rocky Mountains
Andrews Glacier
Alpine Willow Rocky Mountains of Colorado
Alpine Tundra Plant Rocky Mountain Colorado
Alpine Tundra Plant (Lloydia cerotina) Colorado Rockies
Alpine Tundra Plant (Erysimum nivale) Colorado
Alpine Tundra near Niwot Ridge Colorado Rocky Mountains
Alpine Tundra Colorado Rocky Mountains
Alpine Tundra and Lake near Timberline Colorado Rockies
Alpine Plant (Geum Rossi) Colorado Rocky Mountains
Alpine Plant Colorado Rocky Mountains
Alpine Plant Colorado Rockies
Alpine Clover Colorado Rockies