Dryopteris robertiana (Hoffmann) C. Christensen
Dryopteris robertiana (Hoffmann) C. Christensen is a synonym sensu FNA Ed. Comm., 1993 of:
Gymnocarpium robertianum (Hoffmann) Newman, an accepted species name sensu FNA Ed. Comm., 1993.
Dryopteris robertiana (Hoffmann) C. Christensen is a synonym sensu FNA Ed. Comm., 1993 of:
Gymnocarpium robertianum (Hoffmann) Newman, an accepted species name sensu FNA Ed. Comm., 1993.