Phrix spatulata (E.Y. Dawson) M.J. Wynne, M. Kamiya & J.A. West comb. nov.
Basionym: Membranoptera spatulata E.Y. Dawson, Amer. J. Bot. 37(2): 157. 1950.
Heterotypic synonyms:
Hypoglossum gregarium E.Y. Dawson (1966: 65) .
Phrix gregaria [ “ gregarium ”] (E.Y. Dawson) J.G. Stewart (1974: 147).
Apoglossum gregarium (E.Y. Dawson) M.J. Wynne (1985: 169) .