Botrychium Sw. Botrychium Sw., J. Bot. (Schrader) 1800 (2): 8, 110. 1801 sec. Mickel & Smith 2004=Osmundopteris (Milde) Small, Ferns S.E. States [Small] 377, 482. 1938 syn. sec. Mickel & Smith 2004