Sphaerostephanos magnus (Copel.) Holttum, comb. nov.
- ≡Cyclosorus magnus Copel. in Philip. J. Sci. 81: 30. 1952
- ≡Thelypteris magnus (Copel.) Reed in Phytologia 17: 291. 1968
- Unknown type category: Merrill 6952
- Unknown type category: Merrill 6952
- Unknown type category: Merrill 6952 (P)
