]> [author note: Herbarium and types: VA (1953-1955), CU (1955-1968), MASS (1968-1978)] [collector note: Herbarium and types: VA (1953-1955), CU (1955-1968), MASS (1968-1978). Also collected in South America] Botany Bierhorst, David William Bierhorst, David William D. W. Bierhorst Bierh. Bierhorst David William Bierhorst 1924 1997