Plant Communities: Redwood Forest Mixed Evergreen Forest wetland-riparian
Synonyms: Dryopteris assimilis Dryopteris dilatata ssp. americana Dryopteris dilatata Dryopteris spinulosa var. dilatata
Counties: Del Norte Humboldt Los Angeles Marin Mendocino Monterey Modoc Santa Clara Santa Cruz San Mateo Siskiyou Sonoma Tuolumne