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Crepidomanes intricatum
| Weft fern | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Hymenophyllales |
| Family: | Hymenophyllaceae |
| Genus: | Crepidomanes |
| Species: | C. intricatum
|
| Binomial name | |
| Crepidomanes intricatum | |
| Synonyms[2] | |
| |
Crepidomanes intricatum, synonym Trichomanes intricatum,[2] is known as the weft fern.[3] The genus Crepidomanes is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I),[4] but not by some other sources. As of October 2019[update], Plants of the World Online sank the genus into a broadly defined Trichomanes, treating this species as Trichomanes intricatum.[5]
This is an unusual filmy fern that grows in rock shelters and crevices in the eastern United States, with the southern extent in Georgia and extending north into New England.[6] It is known only from its filamentous gametophytes and completely lacks the sporophyte generation.[7] It is a rare plant that is protected in several US states.[7]
Recent study has found a relationship between this species and an Asian filmy-fern species, Crepidomanes schmidianum. Both share the same chloroplast genome, although the relationship between the two species is uncertain.[8] In 2011, Atsushi Ebihara and Alan S. Weakley transferred Trichomanes intricatum to Crepidomanes intricatum based on the chloroplast molecular sequence data.[9]
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Closeup
- ^ NatureServe (November 1, 2024). "Trichomanes intricatum". NatureServe Explorer. Arlington, Virginia. Retrieved November 17, 2024.
- ^ a b c Cite error: The named reference
CFLWwas invoked but never defined (see the help page). - ^ NRCS. "Trichomanes intricatum". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 14 December 2015.
- ^ Cite error: The named reference
PPGwas invoked but never defined (see the help page). - ^ "Trichomanes intricatum Farrar". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-10-08.
- ^ Cite error: The named reference
Pinsonwas invoked but never defined (see the help page). - ^ a b Cite error: The named reference
Farrarwas invoked but never defined (see the help page). - ^ Cite error: The named reference
Ebiharawas invoked but never defined (see the help page). - ^ Cite error: The named reference
Weakleywas invoked but never defined (see the help page).
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