Classification System: APG III (down to family level)
- Govaerts, R.; Radcliffe-Smith, A. (2011). World Checklist of Petrosaviaceae. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet;  Retrieved 2011-11-21.
- Hutchinson, J. (1926-1934) The families of flowering plants, arranged according to a new system based on their probable phylogeny.