Engels, M.E. and Koch, A.K. 2021.

Vanilla ribeiroi Hoehne (Orchidaceae: Vanilloideae): notes on taxonomy and geographical distribution

. Phytotaxa. 490, 1 (Mar. 2021), 99–106. DOI:https://doi.org/10.11646/phytotaxa.490.1.9.