Verbatim text: Applegate, E. I. 1935. The genus Erythronium: A taxonomic and distributional study of the western North American species. Madroño 3: 58–113.
Author: Applegate, E.I.
Year: 1935
Title: The genus Erythronium: A taxonomic and distributional study of the western North American species
Journal: Madroño
Volume: 3
Pages: 58–113