- ↑ Thouars, Louis Marie Aubert du Petit, 1805-05Histoire des végétaux recueillis dan les isles australes d'Afrique. also in 4 volumes: 1: p. [i]-xvi, [1]-16 (material agreeing with 1804 issue but without the Cycas treatment) pl. 1-6 (orig. cover 1806, with Levrault-Schoell imprint).
2: p. 17-40, pl. 7-12.
3: p. 41-56, pl. 13-18.
A further set of plates, numbered 25-
- ↑ 2.0 2.1 Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2014). "Species 2000 & ITIS [[Catalogue of Life]]: 2014 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 26 Mayo 2014. CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 26 Abril 2011