Verbatim text: Nesom, G. L. 1983b. Taxonomy of Erigeron concinnus (Asteraceae) and its separation from E. pumilus. Sida 10: 159–166.
Author: Nesom, G.L.
Year: 1983b
Title: Taxonomy of Erigeron concinnus (Asteraceae) and its separation from E. pumilus
Journal: Sida
Volume: 10
Pages: 159–166