Ariyarathne, W., Yakandawala, D., Samuel, R., & Wijesundara, S. (2017).

Evaluating the occurrence and conservation statuses of Sri Lankan Orchids (Orchidaceae): Observations on newly recorded species and undocumented regions

. Phytotaxa, 308(1), 37–53. https://doi.org/10.11646/phytotaxa.308.1.3