Atkinson, R. 2010. Flora of the Venezuelan Guayana. Volume 2. Pteridophytes, Spermatophytes; Acanthaceae-Araceae. Volume Editors: Paul E. Berry, Bruce K. Hoist & Kay Yatskievych. General Editors: Julian A. Steyermark, Paul E. Berry & Bruc. Edinburgh Journal of Botany. 55, 2 (Apr. 2010), 317–318. DOI:https://doi.org/10.1017/S0960428600002213.