Cystopteris fragilis var. laurentiana Weatherby
Cystopteris fragilis var. laurentiana Weatherby is a synonym sensu FNA Ed. Comm., 1993 of:
Cystopteris laurentiana (Weatherby) Blasdell, an accepted species name sensu FNA Ed. Comm., 1993.
Cystopteris fragilis var. laurentiana Weatherby is a synonym sensu FNA Ed. Comm., 1993 of:
Cystopteris laurentiana (Weatherby) Blasdell, an accepted species name sensu FNA Ed. Comm., 1993.