Athyrium filix-femina subsp. cyclosorum (Ruprecht) C. Christensen

Athyrium filix-femina subsp. cyclosorum (Ruprecht) C. Christensen is a synonym sensu FNA Ed. Comm., 1993 of:

Athyrium cyclosorum Ruprecht, an accepted species name sensu Hassler, 2014-2024+.