Asplenium viride

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Scientific classification Edit this classification
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Binomial name
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Green spleenwort in its native habitat in Germany

Asplenium viride is a species of fern known as the green spleenwort because of its green stipes and rachides. This feature easily distinguishes it from the very similar-looking maidenhair spleenwort, Asplenium trichomanes.

Taxonomy

Green spleenwort was described by Carl Linnaeus in his 1753 Species Plantarum, under the name "Asplenium Trich. ramosum", with a type locality of "Script error: No such module "Lang"." (rocks in Caernarfonshire).[2] Under the rules of the International Code of Botanical Nomenclature, phrase names such as "Asplenium Trichomanes ramosum" are to be treated as orthographic errors – in this case, for "Asplenium ramosum".[3] That name was later rejected in favour of William Hudson's later name Asplenium viride,[4] which had a type locality of "Script error: No such module "Lang"." (damp rocks in the mountains of Wales, Yorkshire and Westmorland).[5]

A global phylogeny of Asplenium published in 2020 divided the genus into eleven clades,Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. which were given informal names pending further taxonomic study. A. viride belongs to the "A. viride subclade" of the "A. trichomanes clade".Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The A. trichomanes clade has a worldwide distribution. Members of the clade grow on rocks and usually have once-pinnate leaf blades with slender, chestnut to dark-brown stalks. The A. viride subclade, which contains only A. viride and its allopolyploid descendant A. adulterinum, is exceptional in having green stalks.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.

Ecology

A. viride is a native species of northern and western North America and northern Europe and Asia. It is a small rock fern, growing on calcareous rock. It is a diploid species, with n = 36, and hybridizes with Asplenium trichomanes to produce Asplenium × adulterinum, found on Vancouver Island, British Columbia.

References

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  1. ^ Template:Cite NatureServe
  2. ^ Page Module:Citation/CS1/styles.css has no content.Carl Linnaeus (1753). Species plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Vol. 2. Stockholm: Impensis Laurentii Salvii.
  3. ^ Page Module:Citation/CS1/styles.css has no content.W. Greuter; F. R. Barrie; H. M. Burder; W. G. Chaloner; V. Demoulin; D. L. Hawksworth; P. M. Jørgensen; D. H. Nicholson; P. C. Silva; P. Trehane; J. McNeill, eds. (1994). "Article 23: Names of species". International Code of Botanical Nomenclature (Tokyo Code). Regnum Vegetabile 131. Königstein: Koeltz Scientific Books. ISBN 3-87429-367-X.
  4. ^ Page Module:Citation/CS1/styles.css has no content.Zimmer, B.; Greuter, W. "Proposal to Reject the Name Asplenium ramosum L. (Pteridophyta)". Taxon. 43 (2): 303–304. doi:10.2307/1222897. JSTOR 1222897.
  5. ^ Page Module:Citation/CS1/styles.css has no content.William Hudson (1798). Flora anglica (3rd ed.). R. Faulder. p. 453.

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