Not established. (Lambdon, P., & Darlow, A. (2012). Flowering plants & ferns of St Helena. Pisces Publications for St Helena Nature Conservation Group);
- 1.6. Forest – Subtropical/tropical moist lowland
Lambdon, P., & Darlow, A. (2012). Flowering plants & ferns of St Helena. Pisces Publications for St Helena Nature Conservation Group. Pisces Publications for St Helena Nature Conservation Group; Beatson, A. (1816). Tracts Relative to the Island of St. Helena. Appendix I: An alphabetical list of plants seen by Dr. Roxburgh growing on the island of St. Helena. W. Bulmer & Co., London; Melliss, J.C. (1875). St. Helena: A physical, historical and topographical description of the island, including its geology, fauna, flora and meteorology. L. Reeve & co., London.; Key, R., Fowler, L., Pryce, D., Wilkins, V., Key, R. (2021). Terrestrial & Freshwater Invertebrates of St Helena. Pisces Publications, Newbury.;