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 unitum (L.) S . E . Fawc. & A . R . Sm., comb. nov. Polypodium unitum L., Syst.Nat., ed.10,2:1326.1759.— Cyclosorus unitus (L.) Ching— Sphaerostephanos unitus (L.) Holttum— Thelypteris unita (L.) C . V .Morton ( Figs. 10A, 10B, 10C ).