]> Example of Name Published: Asclepias prostrata W. H. Blackwell, Southw. Naturalist 9: 178. 1964. [author note: Herbarium and types: MU] [collector note: MU] Botany Blackwell, Will Hoyle Blackwell, Will Hoyle W. H. Blackw. W. H. Blackwell Blackwell, Will William Hoyle Blackwell 1939