Vascular Plants of the Pacific Northwest. Part 1 by C. Leo Hitchcock, Arthur Cronquist, Marion Ownbey, J. W. Thompson
Ornduff, Robert
Article
1969
Madroño; a West American journal of botany
20
238--239
BioStor
English
Berkeley California Botanical Society
BioStor: https://biostor.org/reference/163640