]> "Authors Pl. Names" and "index Herbariorum, ed. 7" list the birth year as: 1912. [author note: Herbarium and types: USM. Asteraceae, Nolanaceae, Polygalaceae] [collector note: AMES, BAA, MOL, P, US, USM] Botany Ferreyra, Ramón Alejandro Ferreyra, Ramón Alejandro R. A. Ferreyra Ferreyra Ferreyra Huerta, Ramón Alejandro Ramón Alejandro Ferreyra 1910 2005