Sphaerostephanos stenodontus Sphaerostephanos stenodontus (Copel.) Holttum in Kalikasan 4: 56. 1975≡Cyclosorus stenodontus Copel. in Philip. J. Sci. 81: t. 20. 1952≡Thelypteris stenodonta Reed in Phytologia 17: 315. 1968Unknown type category: Ramos & Edano BS 30849