Pteridaceae E.D.M.Kirchn.

Pteris subg. Eupteris C.Chr.

, nom. inval.

, scientific

Christensen, C.F.A. in Christensen, C.F.A. (ed.) (1905), Index Filicum

:

XLIV, 591

[secondary reference]

Comment: nom. inval. as this is presumably meant to be the type subgenus.