]> [author note: Biography & Photograph in: Amer. Fern J. 90(3): 112-118. 2000] [collector note: FCME, UAMIZ [Index Herb. - Collectors (N-R, p. 755) cited Riba & Nava; an error]] Botany Riba, Ramón Riba, Ramón R. Riba Riba Ramon Riba y Nava Esparza 1934 1999