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Dryopteris carthusiana
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 21.
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Dryopteris carthusiana
Hippolyte Coste - Flore descriptive et illustrée de la France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in public domain because its copyright has expired.
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Dryopteris carthusiana
USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. - Not copyrighted image
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Felce certosina
narror buckler fern
spinulose wood fern
spinulose woodfern
toothed wood fern
Dryopteris austriaca var. spinulosa
Dryopteris spinulosa
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