Garay, L.A., Sweet, H.R. 1974. Orchidaceae. In: Flora of the Lesser Antilles, Leeward and Windward Islands. 1: 235. Arnold Arboretum, Harvard University, Jamaica Plain, Massachusetts.
MacRae, D.M. & De Meyer, K. 2020. Dutch Caribbean conservation species list. Using management effectiveness to strengthen species conservation in the Caribbean.
Rojer, A. 1997. Biological Inventory of Saba. 87 pp. CARMABI Foundation, Curaçao.