400 items

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Pinkshell Azalea. Azalea vaseyi

Pinkshell Azalea. Azalea vaseyi (1925)

Mary Vaux Walcott (American, 1860-1940)
Pinxterbloom. Azalea nudiflora

Pinxterbloom. Azalea nudiflora (1925)

Mary Vaux Walcott (American, 1860-1940)
Plume Anemone (flower). Pulsatilla occidentalis

Plume Anemone (flower). Pulsatilla occidentalis (1925)

Mary Vaux Walcott (American, 1860-1940)
Plume Anemone (fruit). Pulsatilla occidentalis

Plume Anemone (fruit). Pulsatilla occidentalis (1925)

Mary Vaux Walcott (American, 1860-1940)
Prairie Aster. Aster campestris

Prairie Aster. Aster campestris (1925)

Mary Vaux Walcott (American, 1860-1940)
Prairie Thistle. Cirsium undulatum

Prairie Thistle. Cirsium undulatum (1925)

Mary Vaux Walcott (American, 1860-1940)
Ptarmiganberry. Arctous alpina

Ptarmiganberry. Arctous alpina (1925)

Mary Vaux Walcott (American, 1860-1940)
Purple Butterwort. Pinguicula elatior

Purple Butterwort. Pinguicula elatior (1925)

Mary Vaux Walcott (American, 1860-1940)
Purple Mountain Violet. Viola adunca

Purple Mountain Violet. Viola adunca (1925)

Mary Vaux Walcott (American, 1860-1940)
Purple Pentstemon. Pentstemon lyallii

Purple Pentstemon. Pentstemon lyallii (1925)

Mary Vaux Walcott (American, 1860-1940)
Purple Prairieclover. Petalostemon purpureum

Purple Prairieclover. Petalostemon purpureum (1925)

Mary Vaux Walcott (American, 1860-1940)
Pussy Willow. Salix discolor

Pussy Willow. Salix discolor (1925)

Mary Vaux Walcott (American, 1860-1940)
Pygmy Androsace. Androsace subumbellata

Pygmy Androsace. Androsace subumbellata (1925)

Mary Vaux Walcott (American, 1860-1940)
Pyxie. Pyxidanthera barbulata

Pyxie. Pyxidanthera barbulata (1925)

Mary Vaux Walcott (American, 1860-1940)
Queencup (flower). Clintonia uniflora

Queencup (flower). Clintonia uniflora (1925)

Mary Vaux Walcott (American, 1860-1940)
Queencup (fruit). Clintonia uniflora

Queencup (fruit). Clintonia uniflora (1925)

Mary Vaux Walcott (American, 1860-1940)
Quill-leaf Tillandsia. Pillandsia fasciculata

Quill-leaf Tillandsia. Pillandsia fasciculata (1925)

Mary Vaux Walcott (American, 1860-1940)
Ragged Fringe-orchid. Habenaria lacera

Ragged Fringe-orchid. Habenaria lacera (1925)

Mary Vaux Walcott (American, 1860-1940)
Ramshead Ladyslipper. Cypripedium arietinum

Ramshead Ladyslipper. Cypripedium arietinum (1925)

Mary Vaux Walcott (American, 1860-1940)
Rayless Groundsel Senecio pauciflorus

Rayless Groundsel Senecio pauciflorus (1925)

Mary Vaux Walcott (American, 1860-1940)
Red Comandra. Comandra livida

Red Comandra. Comandra livida (1925)

Mary Vaux Walcott (American, 1860-1940)
Red Dewberry. Rubus pedatus

Red Dewberry. Rubus pedatus (1925)

Mary Vaux Walcott (American, 1860-1940)
Red Maple. Acer rubrum

Red Maple. Acer rubrum (1925)

Mary Vaux Walcott (American, 1860-1940)
Red Monkeyflower. Diplacus puniceus

Red Monkeyflower. Diplacus puniceus (1925)

Mary Vaux Walcott (American, 1860-1940)
Red Pinesap. Hypopitys lanuginosa

Red Pinesap. Hypopitys lanuginosa (1925)

Mary Vaux Walcott (American, 1860-1940)
Red Trillium. Trillium erectum

Red Trillium. Trillium erectum (1925)

Mary Vaux Walcott (American, 1860-1940)
Red Willowweed. Epilobium latifolium

Red Willowweed. Epilobium latifolium (1925)

Mary Vaux Walcott (American, 1860-1940)
Red-helmet Pedicularis bracteosa

Red-helmet Pedicularis bracteosa (1925)

Mary Vaux Walcott (American, 1860-1940)
Redstem Saxifrage. Saxifraga lyallii

Redstem Saxifrage. Saxifraga lyallii (1925)

Mary Vaux Walcott (American, 1860-1940)
Riverbank Gentian. Gentiana affinis

Riverbank Gentian. Gentiana affinis (1925)

Mary Vaux Walcott (American, 1860-1940)