fern
adder's fern
american wall fern
coast polypody
common polypody
golden maidenhair
golden polypody
gray polypody
grey polypody
leatherleaf
leathery polypody
licorice fern
polypodium glycyrrhiza
polypodium polypodioides
polypodium scouleri
polypodium virgianum
polypodium vulgare
resurrection fern
rock brake
rock polypody
sweet fern
wall fern