Athyrium americanum

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

Localities documented in Tropicos sources

Athyrium alpestre var. americanum Butters:
Canada (North America)
Uruguay (South America)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

References:

Lellinger, D. B. 1985. A Field Manual of the Ferns and Fern Allies of the United States and Canada. 389 pp.
Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

Localities documented in Tropicos sources

Athyrium alpestre (Hoppe) Rylands:
Greenland (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

References:

Tolmatchev, A. I. 1960. Arktic. Fl. SSSR 1:1–102.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

Localities documented in Tropicos sources

Athyrium distentifolium subsp. americanum Hultén:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

References:

Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

Localities documented in Tropicos sources

Athyrium distentifolium Tausch ex Opiz:
Canada (North America)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

References:

Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
Taylor, T. M. C. 1970. Pacific Northwest Ferns and Their Allies. 247 pp.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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NatureServe

Morphology

Description

Varieties ca. 3 (1 in the flora): North America, Europe, Asia.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Habitat

Comments: Wet, rocky slopes, prefers calcareous soil.

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NatureServe

Population Biology

Number of Occurrences

Note: For many non-migratory species, occurrences are roughly equivalent to populations.

Estimated Number of Occurrences: 81 to >300

Comments: Through much of northern North America.

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Barcode of Life Data Systems (BOLD)

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NatureServe

Molecular Biology

Barcode data: Athyrium distentifolium

The following is a representative barcode sequence, the centroid of all available sequences for this species.

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http://creativecommons.org/licenses/by/3.0/

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Barcode of Life Data Systems

Statistics of barcoding coverage: Athyrium alpestre

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

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Barcode of Life Data Systems (BOLD)

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http://creativecommons.org/licenses/by/3.0/

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Barcode of Life Data Systems

Statistics of barcoding coverage: Athyrium distentifolium

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 4
Specimens with Barcodes: 7
Species With Barcodes: 1

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Barcode of Life Data Systems (BOLD)

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http://creativecommons.org/licenses/by/3.0/

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Barcode of Life Data Systems

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N3 - Vulnerable

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe

NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

Reasons: Wideranging, of conservation concern in only a few areas, but abundance data not well known.

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