Athyrium angustum (Willdenow) C. Presl
Athyrium angustum (Willdenow) C. Presl is a synonym sensu FNA Ed. Comm., 1993 of:
Athyrium filix-femina var. angustum (Willdenow) G. Lawson, an accepted variety name sensu FNA Ed. Comm., 1993.
Athyrium angustum (Willdenow) C. Presl is a synonym sensu FNA Ed. Comm., 1993 of:
Athyrium filix-femina var. angustum (Willdenow) G. Lawson, an accepted variety name sensu FNA Ed. Comm., 1993.