Sphaerostephanos cataractorum (Wagn. & Greth.) Holttum, comb. nov.
- ≡Cyclosorus cataractorum Wagn. & Greth. in Un. Cal. Publ. Bot. 23: pl. 16. 1948
- ≡Thelypteris cataractorum (Wagn. & Greth.) Reed in Phytologia 17: 266. 1968
Unknown type categorys: Grether & Wagner 3971 (,)
