Literature
- Aptroot, A., Stech, M. 2018. An updated checklist of the lichens of St. Eustatius, Netherlands Antilles. MycoKeys 33: 69-84.
- Robert, V., Stegehuis, G., Stalpers, J. 2005. The MycoBank engine and related databases. [link]
- Tehler, A., Ertz, D., Irestedt, M. 2013. The genus Dirina (Rocellaceae, Arthoniales) revisited. The Lichenologist 45(4): 427-476.