Distribution: Occurring chiefly west of the Cascades crest in Washington; southern British Columbia to northern Oregon.
Habitat: Cliff crevices, mostly montane to subalpine.
Spores: April-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Polypodium amorphum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Polypodium amorphum checklist entry
OregonFlora: Polypodium amorphum information
E-Flora BC: Polypodium amorphum atlas page
CalPhotos: Polypodium amorphum photos