Accepted species

O. gomphioides

Primary references

• Baillon, H. 1885. Liste des plantes de Madagascar. (Suite de la page 440.) Bulletin Mensuel de la Société Linnéenne de Paris 1: 442–448, 453–456, 458–472, 475–480, 483–488, 491–496, 500–504, 508–512, 514–519, 541–544. BHL BHL BHL BHL BHL BHL BHL BHL BHL BHL Reference page. 

Links

• International Plant Names Index. 2019. Orthogynium. Published online. Accessed 07 September 2019.

• Farr, E.R. & Zijlstra, G. (eds.) 1996 onwards. Orthogynium in Index Nominum Genericorum (Plantarum). Accessed: 2017 March 24.

• GBIF

• USDA, ARS, Germplasm Resources Information Network. Orthogynium in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed on 2019-09-07.

• Hassler, M. 2019. Orthogynium. World Plants: Synonymic Checklists of the Vascular Plants of the World (2019). In: Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi, J., Penev L., eds. 2019. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2019 September 07.

• Tropicos.org 2019. Orthogynium. Missouri Botanical Garden. Published on the internet. Accessed: 07 September 2019.

• African Plants Database (version 3.4.0). Orthogynium. Conservatoire et Jardin botaniques de la Ville de Genève and South African National Biodiversity Institute, Pretoria. Accessed: 07 September 2019.

• Tropicos.org: Catalogue of the Vascular Plants of Madagascar: Orthogynium. Missouri Botanical Garden. Published on internet. Accessed: 07 September 2019.