Sphaerostephanos aquatilis (Copel.) Holttum, comb. nov.
- ≡Dryopteris aquatilis Copel. in Philip. J. Sci. 6: Bot. 75. 1911
- ≡Thelypteris aquatilis (Copel.) Reed in Phytologia 17: 260. 1968
- Unknown type category: C. King 182
- Unknown type category: C. King 182 (BO)
- Unknown type category: C. King 182 (NSW)
- Unknown type category: C. King 182 (P)
- =Dryopteris caudiculata Rosenst. in Fedde Repert. 9: 426. 1911
- Unknown type category: C. King 182
