Gymnocarpium dryopteris subsp. disjunctum (Ruprecht) Sarvela

Gymnocarpium dryopteris subsp. disjunctum (Ruprecht) Sarvela is a synonym sensu FNA Ed. Comm., 1993 of:

Gymnocarpium disjunctum (Ruprecht) Ching, an accepted species name sensu FNA Ed. Comm., 1993.