Reference:Babcock1947a
Verbatim text: Babcock, E. B. 1947. The genus Crepis. Pt. 1: The taxonomy, phylogeny, distribution, and evolution of Crepis. Pt. II: Systematic treatment. Univ. Calif. Publ. Bot. 21, 22.
Author: Babcock, E.B.
Year: 1947
Title: The genus Crepis. Pt. 1: The taxonomy, phylogeny, distribution, and evolution of Crepis. Pt. II: Systematic treatment
Journal: Univ. Calif. Publ. Bot
Volume: 21
Pages: 22