Athyrium distentifolium

• Interesting Facts
• Common Names
• Description
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Interesting Facts

Common Names

Description

Genus Athyrium

Plants generally terrestrial . Stems short-creeping or ascending , stolons absent. Leaves monomorphic , usually dying back in winter. Petiole ± 0.5 times length of blade or less, base swollen and dentate , persisting as trophopod over winter or not; vascular bundles 2, lateral , lunate in cross section . Blade lanceolate to elliptic or oblanceolate , 1--3-pinnate-pinnatifid, gradually reduced distally to confluent , pinnatifid apex, herbaceous. Pinnae not articulate to rachis, segment margins serrulate or crenate ; proximal pinnae often reduced, sessile to short-petiolulate, ± equilateral ; costae adaxially grooved , grooves continuous from rachis to costae to costules ; indument absent or of linear to lanceolate scales or 1-celled glands abaxially. Veins free , simple or forked . Sori in 1 row between midrib and margin, round to elongate , straight or hooked at distal end, or horseshoe-shaped; indusia shaped like sori, persistent , attached laterally or with narrow sinus , or indusia absent. Spores brownish, rugose . x = 40.

Species about 180: worldwide.

In species outside the flora stems are sometimes long-creeping to erect , with leaves radially or dorsiventrally arranged.[1]

Physical Description

Habitat

Typically found at an altitude of 0 to 1,634 meters (0 to 5,361 feet).[2]

Taxonomy

Notes

Publishing author : Tausch ex Opiz Publication : Kratos 2 [1]. 14. 1820 1820

Similar Species

Members of the genus Athyrium

ZipcodeZoo has pages for 46 species, subspecies, varieties, forms, and cultivars in this genus:

A. americanum (Alpine Ladyfern) · A. angustum f. rubellum (Lady in Red Fern) · A. bulbiferum (Bulblet Bladderfern) · A. distentifolium (Alpine Lady-Fern) · A. filix-femina (Common Ladyfern) · A. filix-femina (L.) Roth var. angustum (Willd.) G.Lawson (Common Ladyfern) · A. filix-femina (L.) Roth 'Cristata' (Lady Fern) · A. filix-femina angustum (Wavy Scaly Cloakfern) · A. filix-femina cyclosorum (Common Ladyfern) · A. filix-femina Flabellipinnulum Group (Lady Fern) · A. filix-femina Plumosum Cristatum Group (Lady Fern) · A. filix-femina var. angustum 'Lady in Red' (Common Ladyfern) · A. filix-femina var. asplenioides (Common Ladyfern) · A. filix-femina subsp. angustum (Subarctic Lady Fern) · A. filix-femina subsp. asplenioides (Asplenium Ladyfern) · A. filix-femina 'Cruciato-Cristatum' (Lady Fern) · A. filix-femina subsp. cyclosorum (Subarctic Ladyfern) · A. filix-femina 'Dre's Dagger' (Dre's Dagger Lady Fern) · A. filix-femina 'Encourage' (Lady Fern) · A. filix-femina 'Frizelliae' (Lady Fern) · A. filix-femina 'Plumosum Axminster' (Golden Plumose Lady Fern) · A. filix-femina 'Vernoniae-Cristata' (Miss Vernons Lady Fern) · A. filix-femina 'Victoriae' (Queen of Green Fern) · A. filix-femina'Victoria' (Queen of Green Fern) · A. filix-mas (Robust Male Fern) · A. filix femina 'Cristatum' (Common Ladyfern) · A. microphyllum (Akolea) · A. niponicum (English Red-Stemmed Fern) · A. niponicum var. pictum (Japanese Painted Fern) · A. niponicum var. pictum 'Applecourt' (Japanese Painted Fern) · A. niponicum var. pictum 'Pewter Lace' (Japanese Painted Fern) · A. niponicum var. pictum 'Silver Falls' (Japanese Painted Fern) · A. niponicum var. pictum 'Wildwood Twist' (Japanese Painted Fern) · A. niponicum 'Apple Court' (Apple Court Painted Fern) · A. niponicum 'Branford Rambler' (Japanese Painted Fern) · A. niponicum 'Burgundy Lace' (Burgundy Lace Painted Fern) · A. niponicum 'Red Beauty' (Red Japanese Painted Fern) · A. niponicum 'Ursula's Red' (Japanese Painted Fern) · A. nipponicum'Pictum-Applecourt' (Applecourt Crested Japanese Painted Fern) · A. nipponicum 'Pictum' (Japanese Painted Fern) · A. otophorum (Asian Lady Fern) · A. otophorum 'Okanum' (Asian Lady Fern) · A. thelypteroides (Silvery Glade Fern) · A. x 'Branford Beauty' (Common Ladyfern) · A. x 'Branford Rambler' (Branford Rambler Fern) · A. x 'Ghost' (Ghost Fern)

More Info

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Further Reading

• Ferns and fern allies of Canada / [Ottawa]: Research Branch, Agriculture Canada, 1989. url p. 263.
• Great Basin naturalist memoirs. 1987 [Provo, Utah]Brigham Young University, 1976-1992. url p. 19.
• Moore, Thomas The ferns of Great Britain and Ireland /by Thomas Moore; edited by John Lindley. ..; edited by John Lindley. ..; nature-printed by Henry Bradbury. 1855 London: Published by Bradbury and Evans, Whitefriars. .., 1855. url plate VII.
• Phytologia. Bronx Park, New York, H.A. Gleason and H.N. Moldenke, url p. 196.
• Syllogeus. Ottawa, National Museum of Natural Sciences, 1972-1995. url p. 15, p. 15, p. 23, p. 24, p. 52.
• The Great Basin naturalist. 41 1981 Provo, Utah: M.L. Bean Life Science Museum, Brigham Young University, 1939-1999. url p. 13, p. 84, p. 98.
• Johnson, D. M. 1986b. Trophopods in North American species of Athyrium (Aspleniaceae). Syst. Bot. 11: 26--31.
• Kato, M. 1977. Classification of Athyrium and allied genera of Japan. Bot. Mag. (Tokyo) 90: 23--40.
• Liew, F. S. 1972. Numerical taxonomic studies on North American lady ferns and their allies. Taiwania 17: 190--221.

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed April 30, 2012.

Data Sources

Accessed through GBIF Data Portal November 25, 2007:

• Natural History Museum, University of Oslo, Vascular Plant Herbarium, Oslo
• Natural History Museum, University of Oslo, Vascular Plants, Field notes, Oslo
• The Swedish Museum of Natural History
• , Herbarium of Oskarshamn
• The Swedish Museum of Natural History
• , Plants
• UK National Biodiversity Network, Botanical Society of the British Isles - Vascular Plants Database
• University of Alaska Museum of the North, University of Alaska Museum of the North Herbarium

Identifiers

• Biodiversity Heritage Library NamebankID: 2644599
• Catalogue of Life Accepted Name Code: ITS-17409
• Global Biodiversity Information Facility Taxonkey: 4490920
• Globally Unique Identifier: urn:lsid:ipni.org:names:17241480-1
• GRIN Nomen Number: 411575
• International Plant Names Index (IPNI) ID: 17241480
• Zipcode Zoo Species Identifier: 406177

Footnotes

1. Masahiro Kato "Athyrium". in Flora of North America Vol. 2. Oxford University Press. Online at EFloras.org. [back]
2. Mean = 708.100 meters (2,323.163 feet), Standard Deviation = 453.160 based on 3,090 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.