]> Education: A. B. (1921; Stanford Univ.); M.A. (1923; University of California-Berkeley); Ph.D. (1932; University of California-Berkeley) [author note: Herbarium and types: UC; early collections at DS] [collector note: collected in California (1935), Nevada (1940), Colima (Revillagigedo Islands, 1925)] Botany Mason, Herbert Louis Mason, Herbert Louis H. L. Mason H. Mason Herbert Louis Mason 1896 1994