Literature
- Robert, V., Stegehuis, G. & Stalpers, J. 2005. The MycoBank engine and related databases. [link]
- Sipman, H. 2007. Lichens. Plants and Lichens of Saba. [link]
- Sipman, H. 2008. Lichens. Plants & Lichens of St. Eustatius The New York Botanical Garden. [link]