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635 polypodiales species
Coryphopteris simulata
Cryptogramma sitchensis
Polystichum setigerum
Woodsia alpina
Gymnocarpium continentale
Athyrium niponicum
Amauropelta nevadensis
Polystichum californicum
Cystopteris laurentiana
Cystopteris montana
Phegopteris excelsior
Pellaea brachyptera
Asplenium montanum
Asplenium septentrionale
Asplenium adulterinum
Pteridium latiusculum
Polypodium calirhiza
Adiantum capillus-veneris
Polypodium sibiricum
Asplenium pinnatifidum
Myriopteris intertexta
Cystopteris tennesseensis
Dryopteris celsa
Dryopteris erythrosora
Pellaea bridgesii
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