A Generic Classification of the Thelypteridaceae Author Fawcett, Susan Author Smith, Alan R. text 2021 BRIT Press Fort Worth, Texas, USA book 10.17348/jbrit.v15.i2.1206 14111022 * Strophocaulon invisum (G. Forst.) S.E. Fawc. & A.R. Sm. , comb. nov. — Polypodium invisum G. Forst., Fl. Ins. Austr. 81.1786.— Cyclosorus invisus (G.Forst.) Copel. — Sphaerostephanos invisus (G.Forst.) Holttum — Thelypteris forsteri C.V. Morton