Alaska Fleabane (Erigeron salsuginosus)

Mary Vaux Walcott

Alberta Paintbrush (Catilleja miniata)

Mary Vaux Walcott

Alberta Primrose (Primula maccalliana)

Mary Vaux Walcott

Aleutian Fleabane (Erigeron unalaschensis)

Mary Vaux Walcott

Alpine Fernlife (Pedicularis contorta)

Mary Vaux Walcott

Alpine Fir (Abies lasiocarpa)

Mary Vaux Walcott

Alpine Fleabane (Erigeron unalaschcensis)

Mary Vaux Walcott

Alpine Forget-Me-Not (Myosotis alpestris)

Mary Vaux Walcott

Alpine Forget-me-not (Myosotis alpestris)

Mary Vaux Walcott

Alpine Harebell (Campanula lasiocarpa)

Mary Vaux Walcott

Alpine Milkvetch (Astragalus alpinus)

Mary Vaux Walcott

Alpine Monkey Flower (Mimulus caespitosus)

Mary Vaux Walcott

Alpine Pointvetch (Oxytropis podocarpa)

Mary Vaux Walcott

Alpine Pointvetch (Oxytropis podocarpa)

Mary Vaux Walcott

Alpine Ragwort (Senecio species)

Mary Vaux Walcott

Alpine Vetch (Astragalus bourgovii)

Mary Vaux Walcott

American Chestnut (Castanea dentata)

Mary Vaux Walcott

American Chestnut (Castanea dentata)

Mary Vaux Walcott

American Columbine (Aquilegia canadensis)

Mary Vaux Walcott

American Mistletoe (Phoradendron flavescens)

Mary Vaux Walcott

American Pasqueflower (Pulsatilla...

Mary Vaux Walcott

American Pasqueflower (Pulsatilla...

Mary Vaux Walcott

American Twinflower (Linnaea...

Mary Vaux Walcott

American Vetch (Vicia americana)

Mary Vaux Walcott