Template:Britton & Wilson, 1925
- Britton, N.L. & Wilson, P. 1925. Scientific survey of Porto Rico and the Virgin Islands. Volume VI – Part 1. Botany of Porto Rico and the Virgin Islands. Decriptive Flora – Spermatophyta [Melastomaceae–Lamiaceae]. Pp. 1–158. New York Academy of Sciences. Internet Archive
