Literature

• Proosdij, A.S.J. van 2012. Arnoldo's Zakflora: Wat in het wild groeit en bloeit op Aruba, Bonaire en Curaçao. 318 pp. Walburg Pers, Zutphen.
• Alcántara Rodríguez, M. 2016. African origin of Papiamentu plant names. 33pp. Utrecht University.
• Howard, R.A. 1989. Dicotyledoneae - Part 3. In: Flora of the Lesser Antilles, Leeward and Windward Islands. 6: 658. Arnold Arboretum, Harvard University, Jamaica Plain, Massachusetts.
• Mori, S.A., Gracie, C.A. 2007. Flowering Plants. Plants and Lichens of Saba Virtual Herbarium of The New York Botanical Garden. [link]
• Rojer, A. 1997. Biological Inventory of Saba. 87 pp. CARMABI Foundation, Curaçao.

Literature references linked to higher taxa

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