Literature

• Axelrod, F.S. 2015. A Systematic Vademecum to the Vascular Plants of Sint Eustatius. 179 pp.
• World Flora online. [link]

Literature references linked to higher taxa

• Encyclopedia of Life. [link] (Cactaceae)
• The Plant List 2013. The Plant List version 1.1. [link] (Consolea)