Verbatim text: Ashri, A. and P. F. Knowles. 1959. Further notes on Carthamus in California. Leafl. W. Bot. 9: 5–8.
Author: Ashri, A., Knowles, P.F.
Year: 1959
Title: Further notes on Carthamus in California
Journal: Leafl. W. Bot
Volume: 9
Pages: 5–8