Intermountain Flora. Vascular Plants of the Intermountain West, U.S.A. Volume 5. Asterales by Arthur Cronquist
Keil, David J.
Article
1995
Madroño; a West American journal of botany
42
85--87
BioStor
English
Berkeley California Botanical Society
BioStor: https://biostor.org/reference/163362