[Wildflowers of the Columbia River Gorge]

Ferns of the Columbia River Gorge

 

 


Aspleniaceae: Spleenwort Family

Large-spored Spleenwort, Maidenhair Spleenwort, Tetraploid Spleenwort: Asplenium trichomanes ssp. quadrivalens

Maidenhair Spleenwort: Asplenium trichomanes ssp. trichomanes

Blechnaceae: Chain Fern Family

Deer Fern: Blechnum spicant (Synonyms: Blechnum spicant ssp. nipponicum, Blechnum spicant var. pensylvanica, Struthiopteris spicant)

Dennstaedtiaceae: Bracken Family

Western Brackenfern, Bracken Fern, Northern Bracken Fern: Pteridium aquilinum var. pubescens

Dryopteridaceae: Wood Fern Family

Common Ladyfern, Northwestern Ladyfern, Northwestern Lady Fern: Athyrium filix-femina var. cyclosorum (Synonym: Athryium filix-femina ssp. cyclosorum)

Brittle Bladderfern, Fragile Fern, Brittle Fern, Bladder Fern: Cystopteris fragilis (Synonyms: Cystopteris dicieana, Polypodium fragile) -

California Wood Fern, Coastal Woodfern, Marginal Wood Fern: Dryopteris arguta (Synonym: Aspidium argutum)

Spinulose Woodfern, Toothed Woodfern: Dryopteris carthusiana (Synonyms: Dryopteris austriaca var. spinulosa, Dryopteris spinulosa, Polypodium carthusianum, Polypodium spinulosum)

Spreading Woodfern, Spreading Wood Fern, Northern Woodfern: Dryopteris expansa (Synonyms: Dryopteris assimilis, Dryopteris dilatata, Dryopteris dilitata var. americana, Nephrodium expansum)

Male Fern: Dryopteris filix-mas

Common Oak Fern, Northern Oak Fern, Western Oak Fern: Gymnocarpium disjunctum (Synonyms: Dryopteris linnaeana, Gymnocarpium dryopteris, Gymnocarpium dryopteris var. disjunctum, Lastrea dryopteris, Phegopteris dryopteris, Polypodium dryopteris, Thelypteris dryopteris)

Anderson's Holly-fern, Anderson's Sword Fern, Vancouver Holly Fern: Polystichum andersonii (Synonyms: Polystichum braunii ssp. andersonii, Polystichum braunii var. andersonii)

Narrow-leaved Sword-fern, Imbricate Sword Fern: Polystichum imbricans ssp. imbricans (Synonym: Polystichum munitum var. imbricans)

Holly Fern, Mountain Hollyfern, Northern Holly-fern: Polystichum lonchitis (Synonym: Polypodium lonchitis)

Common Sword Fern, Western Sword Fern: Polystichum munitum (Synonyms: Aspidium munitum, Polystichum munitum var. munitum)

Oregon Cliff Fern, Oregon Woodsia, Western Cliff Fern: Woodsia oregana ssp. oregana

Rocky Mountain Woodsia, Laurentian Cliff Fern: Woodsia scopulina

Ophioglossaciae: Adder's-tongue Family

Leather Grapefern, Leathery Grapefern: Botrychium multifidum (Synonyms: Botrychium californicum, Botrychium coulteri, Botrychium silaifolium, Osmunda multifida)

Common Grapefern, Rattlesnake Fern, Rattlesnake Grapefern, Virginia Grapefern: Botrychium virginianum (Synonym: Osmunda virginiana)

Polypodiaceae: Polypody Family

Irregular Polypody, Pacific Polypody: Polypodium amorphum (Synonym: Polypodium montense)

Licorice Fern: Polypodium glycyrrhiza (Synonyms: Polypodium aleuticum, Polypodium falcatum, Polypodium occidentale, Polypodium vulgare var. falcatum, Polypodium vulgare var. occidentale)

Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium)

Pteridaceae: Maidenhair Family

Aleutian Maidenhair, Northern Maidenhair Fern, Western Maidenhair: Adiantum aleuticum (Synonyms: Adiantum boreale, Adiantum pedatum, Adiantum pedatum var. aleuticum, Adiantum pedatum var. subpumilum)

Indian's Dream, Oregon Cliff Brake, Podfern: Aspidtotis densa (Synonyms: Cheilanthes siliquosa, Cryptogramma densa, Onychium densum, Pellaea densa) -

Lace Lipfern, Lace Fern: Cheilanthes gracillima -

American Rockbrake, American Parsley Fern: Cryptogramma acrostichoides (Synonyms: Cryptogramma crispa ssp. acrostichoides, Cryptogramma crispa var. acrostichoides)

Gold-back Fern, Gold Fern: Pentagramma triangularis ssp. triangularis (Synonym: Pityrogramma triangularis) -


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