[Dryopteris spinulosa (O.F. Müll.) Watt, moreDryopteris spinulosa var. americana (Fisch. ex Kunze) Fernald, Dryopteris spinulosa var. concordiana (Davenport) Eastman, Dryopteris spinulosa var. fructuosa (Gilbert) Trudell]
Use of any specimen data and related material (e.g., images, species checklists, etc.) accessed through this portal requires agreement to the terms and conditions in the CNH data usage policy.