Carnevali, G., Cetzal-Ix, W., & Whitten, W. M. (2012).

Cryptocentrum beckendorfii (Orchidaceae: Maxillariinae), an extraordinary new species from Andean Peru

. Phytotaxa, 68(1), 45–51. https://doi.org/10.11646/phytotaxa.68.1.5