Literature

• Axelrod, F.S. 2015. A Systematic Vademecum to the Vascular Plants of Sint Eustatius. 179 pp.
• Boom, B.M. 2008. Flowering Plants. Plants & Lichens of St. Eustatius The New York Botanical Garden. [link]
• Encyclopedia of Life. [link]
• Rojer, A. 1997. Biological inventory of Sint Eustatius. CARMABI Foundation, Curaçao.
• Stoffers, A.L. 1984. Rhamnaceae. Flora of the Netherlands Antilles 3: 363-370.
• The Plant List 2013. The Plant List version 1.1. [link]
• WCSP 2017. World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. [link]