Gomphonemopsis oahuensis (Hust.) Lang Li, Yuhang Li & C.P.Chen Gomphonemopsis oahuensis (Hust.) Lang Li, Yuhang Li & C.P.Chen in PhytoKeys 239: 262. 26 Mar 2024is new combination for Cymbella oahuensis Hust. in Int. Rev. Gesamten Hydrobiol. Hydrogr. 42(1-3): 98, fig. 193-195. Jan 1942