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Crepidomanes intricatum
Also called Appalachian Trichomanes, Weft Fern, Appalachian Bristle Fern
Crepidomanes intricatum, synonym Trichomanes intricatum, is known as the weft fern. The genus Crepidomanes is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I), but not by some other sources. As of October 2019, Plants of the World Online sank the genus into a broadly defined Trichomanes, treating this species as Trichomanes intricatum.
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. It is known only from its filamentous gametophytes and completely lacks the sporophyte generation. It is a rare plant that is protected in several US states.
Text excerpted from the Wikipedia article Crepidomanes intricatum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
