Imbricate Sword Fern, Narrow-leaved Sword-fern: Polystichum imbricans ssp. imbricans (Synonym: Polystichum munitum var. imbricans) -
Kruckeberg's Holly Fern, Kruckeberg's Holly-fern, Kruckeberg's Sword Fern: Polystichum kruckebergii -
Holly Fern, Mountain Hollyfern, Mountain Holly Fern, Northern Holly-fern, Northern Holly Fern: Polystichum lonchitis (Synonym: Polypodium lonchitis) -
Western Sword Fern, Common Sword Fern: Polystichum munitum (Synonym: Aspidium munitum, Polystichum munitum var. munitum) -
Rock Sword Fern, Mountain Holly-fern: Polystichum scopulinum (Synonyms: Aspidium aculeatum var. scopulinum, Polystichum mohrioides var. scopulinum ) -