| Literature: | | |
| Burrows, J.E. (1990) Southern African Ferns and Fern Allies. Frandsen, Sandton. | | |
| Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011) Ferns of Southern Africa, A comprehensive guide Struik Nature | | |
| Jacobsen, W.B.G. (1983) The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. | | |
| Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 | | |
| Schelpe, E.A.C.L.E. (1970) Pteridophyta FZ | | |
| | | |
| Names | FZ Divisions | Source codes |
| | | |
| 110.100 PSILOTUM Sw. | | |
| Psilotum nudum (L.) P. Beauv. | N,W,C,E,S | B83, FZ |
| Bernhardia capensis Müll.Berol. | | |
| Lycopodium nudum L. | | |
| Psilotum triquetrum Sw. | | |