Dryopteris fragrans — Details

Fragrant Woodfern learn more about names for this taxon

Overview

Distribution

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Dryopteris fragrans (L.) Schott:
Canada (North America)
Greenland (North America)
Japan (Asia)
Russian Federation (Asia)
United States (North America)
South Korea (Asia)
China (Asia)
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National Distribution

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Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Global Range: A circumboreal fern. In North America, it ranges south to New York, Ontario, northern Michigan, Wisconsin, and Minnesota.

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Physical Description

Morphology

Comments

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Dryopteris fragrans is a northern species and is not closely related to the other species in North America. The only hybrid known to involve D . fragrans is with D . marginalis , producing D . × algonquinensis D. Britton.
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Description

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Leaves monomorphic, green through winter, 6--40 × 1--6 cm, old leaves persistent as gray or brown conspicuous clump at plant base (only in this species). Petiole 1/3 length of leaf, scaly throughout; scales dense, brown to red-brown. Blades green, linear-lanceolate, pinnate-pinnatifid to 2-pinnate, papery, densely scaly (only in this species) abaxially, glandular, aromatic when handled (only in this species). Pinnae ± in plane of blade, linear-oblong; basal pinnae linear-oblong, much reduced, basal pinnules longer than adjacent pinnules, basal basiscopic pinnule and basal acroscopic pinnule equal; pinnule margins crenately toothed. Sori midway between midvein and margin of segments. Indusia glandular. 2 n = 82.
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Diagnostic Description

Synonym

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Polypodium fragrans Linnaeus, Sp. Pl. 2: 1089. 1753; Dryopteris fragrans var. remotiuscula Komarov
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Ecology

Habitat

Habitat & Distribution

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Shaded cliffs and talus, often of limestone; 50--1800 m; Greenland; Alta., B.C., Man., N.B., Nfld., N.W.T., N.S., Ont., Que., Sask., Yukon; Alaska, Maine, Mich., Minn., N.H., N.Y., Vt., Wis.; Europe in n Finland; Asia in n, nw former Soviet republics.
  • Flora of North America @ eFloras.org
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Dryopteris fragrans

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Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Species: 7
Species With Barcodes: 1

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Conservation

Conservation Status

National NatureServe Conservation Status

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Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

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Rounded Global Status Rank: G5 - Secure

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