]> [author note: Herbarium and types: ARIZ (ca. 30,000); additional material at AMES, ASUF, CM, DS, F, GH, MICH, MIN, MO, NY, PH, RSA, UC, US, WELC] [collector note: Herbarium: ARIZ; col. 1906-41; collections: AMES, CM, RSA.] Botany Shreve, Forrest Shreve, Forrest F. Shreve Shreve Forrest Shreve 1878 1950