Adiantopsis seemannii (Hook.) Maxon Adiantopsis seemannii (Hook.) Maxon, Proc. Biol. Soc. Washington 52: 113. 1939 sec. Mickel & Smith 2004≡Cheilanthes seemannii Hook., Sp. Fil. 2: 85, pl. 97A. 1852 syn. sec. Mickel & Smith 2004