Aspidium rigidum var. argutum (Kaulfuss) D.C. Eaton
Aspidium rigidum var. argutum (Kaulfuss) D.C. Eaton is a synonym sensu Hassler & Schmidt, 2014+ of:
Dryopteris arguta (Kaulfuss) Watt, an accepted species name sensu Hassler & Schmidt, 2014+.
Aspidium rigidum var. argutum (Kaulfuss) D.C. Eaton is a synonym sensu Hassler & Schmidt, 2014+ of:
Dryopteris arguta (Kaulfuss) Watt, an accepted species name sensu Hassler & Schmidt, 2014+.