United States, Ohio, LORAIN, Lynds Jones Memorial Study Area
Rich rocky woods, North Amherst.
F - 1
ORIGINAL ID: Cystopteris fragilis (L.) Underwood ANNO: Cystopteris fragilis (L.) Bernh. var. mackayi G. Lawson, W H Wagner (MICH), 1966; =C. tenuis (Michx.) Desv., M K Cooperrider (KE), March 1996