Scientific or common name:

Athyrium americanum (Butters) Maxon

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WOODSIACEAE - Cliff ferns family Pteridophyta (Ferns)

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Taxon Page:

Name: Athyrium americanum (Butters) Maxon
Nomencl. ref.: Amer. Fern J. 8: 120. 1918
Rank: species

Images of Athyrium americanum

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Common names

U.S. name: Alpine ladyfern

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Grown habit: Forb/herb
Duration: Perennial
 

Synonyms:
= Athyrium alpestre (Hoppe) Milde
= Athyrium alpestre (Hoppe) Milde ssp. americanum (Butters) Lellinger
= Athyrium alpestre (Hoppe) Milde var. americanum Butters
= Athyrium alpestre (Hoppe) Milde var. gaspense Fernald
= Athyrium distentifolium Tausch ex Opiz ssp. americanum (Butters) Hultén
= Athyrium distentifolium Tausch ex Opiz var. americanum (Butters) B. Boivin

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TAXONOMY

Kingdom: Plantae
Subkingdom: Tracheobionta
Superdivision: -
Division: Pteridophyta
Class: Polypodiopsida
Subclass: -
Order: Polypodiales
Family: Woodsiaceae
Genus: Athyrium
Species:

1) Athyrium americanum (Butters) Maxon 2) Athyrium filix-femina (L.) Roth 3) Athyrium filix-femina (L.) Roth ssp. angustum (Willd.) R.T. Clausen 4) Athyrium filix-femina (L.) Roth ssp. asplenioides (Michx.) Hultén 5) Athyrium filix-femina (L.) Roth ssp. cyclosorum (Rupr.) C. Chr. 6) Athyrium microphyllum (J. Sm.) Alston

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Page counter: 258 ( AVG: 222.48 / 291.471 )

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Search for more information on the Web

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Distribution in USA and Canada (*)
USA (AK, CA, CO, ID, MT, NV, OR, UT, WA, WY), CAN (AB, BC, LB, NF, QC, YT), DEN (GL)


Map for Athyrium americanum (Butters) Maxon
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA

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Kingdoms
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1) Fungi 2) Plantae

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Divisions
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1) Anthocerotophyta (Hornworts) 2) Bryophyta (Mosses) 3) Chlorophyta (Green algae) 4) Coniferophyta (Conifers) 5) Cycadophyta (Cycads) 6) Equisetophyta (Horsetails) 7) Ginkgophyta (Ginkgo) 8) Gnetophyta (Gnetophytes) 9) Hepaticophyta (Liverworts) 10) Lycopodiophyta (Lycopods) 11) Magnoliophyta (Flowering plants) 12) Psilophyta (Whisk-ferns) 13) Pteridophyta (Ferns)

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Classes
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1) Filicopsida 2) Polypodiopsida

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Families
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1) Dryopteridaceae (Wood Fern family) 2) Onocleaceae (Sensitive fern family) 3) Woodsiaceae (Cliff ferns family)

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Genera (Woodsiaceae)
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1) Athyrium (ladyfern) 2) Gymnocarpium (oakfern) 3) Woodsia (cliff fern)

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Common names (Athyrium)
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1) Akolea (Athyrium microphyllum) 2) Alpine ladyfern (Athyrium americanum) 3) Asplenium ladyfern (Athyrium filix-femina ssp. asplenioides) 4) Common ladyfern (Athyrium filix-femina) 5) Subarctic ladyfern (Athyrium filix-femina ssp. angustum)

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More species:
1) Athyrium angustum (Willd.) C. Presl var. boreale Jennings [109]
2) Athyrium angustum (Willd.) C. Presl var. elatius (Link) Butters [108]
3) Athyrium angustum (Willd.) C. Presl var. subtripinnatum Butters [90]
4) Athyrium baldwinii (Hillebr.) C. Chr. [150]
5) Athyrium distentifolium Tausch ex Opiz var. americanum (Butters) B. Boivin [95]
6) Athyrium filix-femina (L.) Roth [1746]
7) Athyrium filix-femina (L.) Roth var. cyclosorum (Rupr.) Ledeb. [112]
8) Athyrium macraei (Hook. & Grev.) Copeland [116]
9) Athyrium sandwichianum C. Presl [141]
10) Atrichum crispum (James) Sull. var. molle (Holz.) Frye [101]

30-Apr-2024 - Week-18

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