Heterogonium sagenioides
Heterogonium sagenioides in Sarawak Museum J. 5: 161. 1949
- ≡Aspidium sagenioides in Farngatt. IV: 113. 1858
- ≡Dryopteris sagenioides, Revis. Gen. Pl.: 813. 1891
- ≡Ctenitopsis sagenioides in Bull. Fan Mem. Inst. Biol. 8: 312. 1939
- ≡Ctenitis sagenioides, Gen. Fil.: 124. 1947
- Unknown type category: Zollinger 1803 (B)
- Isotype: Zollinger 1803 (Z)
- =Nephrodium melanopus in Sp. Fil. 4: 110. 1862
- ≡Lastrea melanopus, Ferns Brit. India: t. 38. 1865
- Unknown type category: Burma, Moulmein, Parish 51
- =Polypodium obscurum in Sp. Fil. 4: 237. 1862
- ≡Phegopteris obscura in Bull. Herb. Boissier 6: 196. 1898
- ≡Nephrodium obscurum in Nat. Pflanzenfam. I: 173. 1899
- ≡Dryopteris sagenioides subsp. obscura, Index Filic.: 290. 1905
- ≡Dryopteris obscura in Philipp. J. Sci. 2: Bot. 214, not Kuntze. 1907
- ≡Ctenitopsis obscura in Notul. Syst. (Paris) 7: 87. 1938
- ≡Ctenitis obscura, Fern Fl. Philipp.: 287. 1960
- ≡Heterogonium obscurum in Kalikasan 4: f. 1. 1975
- Unknown type category: Cuming 302
- =Polypodium viscosum, Kew Bull.: 12. 1906
- ≡Dryopteris laokaiensis, Index Filic.: 34. 1913
- Unknown type category: E. H. Wilson 36