Verbatim text: Nesom, G. L. and B. L. Turner. 1998. Variation in the Berlandiera pumila (Asteraceae) complex. Sida 18: 493–502.
Author: Nesom, G.L., Turner, B.L.
Year: 1998
Title: Variation in the Berlandiera pumila (Asteraceae) complex
Journal: Sida
Volume: 18
Pages: 493–502