]> [author note: Herbarium and types: A, GH; additional material at CAS, UC GH] [collector note: Lower California: A; Chile ca. Oct 1925-Jan 1926; Peru ca. Aug-Oct 1925; GH, TEX; California: FH (1916); Vermont: FH (1935) with D. H. Linder] Botany Johnston, Ivan Murray Johnston, Ivan Murray I.M.Johnst. I. M. Johnston Johnston, I. M. 1898 1960