Verbatim text: Brown, R. C. 1978. Biosystematics of Psilostrophe (Compositae: Helenieae). II. Artificial hybridization and systematic treatment. Madroño 25: 187–201.
Author: Brown, R.C.
Year: 1978
Title: Biosystematics of Psilostrophe (Compositae: Helenieae). II. Artificial hybridization and systematic treatment
Journal: Madroño
Volume: 25
Pages: 187–201