Castalia odorata
Illustration by Mary Vaux Walcott. North American
Wild Flowers. Washington, 1925.
Le cérisier et le corrossolier
Illustrations of Himalayan plants. W. H. Fitch.
London, 1855
Calochortus weedii
Illustration by Mary Vaux Walcott. North American
Wild Flowers. Washington, 1925.