Oakfern (Gymnocarpium) also commonly known as Oak Fern, is a biological genus in the family Woodsiaceae (Cliff Ferns) and order Polypodiales.
Gymnocarpium appalachianum
Gymnocarpium jessoense
Gymnocarpium X heterosporum
Gymnocarpium X brittonianum
Gymnocarpium X intermedium
Gymnocarpium robertianum
Gymnocarpium X achriosporum
Gymnocarpium disjunctum
Gymnocarpium dryopteris
Allantodia
Cystopteris
Woodsia
Deparia
Hemidictyum
Athyrium
Gymnocarpium
Diplazium