Northern maidenhair fern

Adiantum pedatum

''Adiantum pedatum'', the northern maidenhair fern or five-fingered fern, is a species of fern in the family Pteridaceae, native to moist forests in eastern North America. Like other ferns in the genus, the name maidenhair refers to the slender, shining black stipes.
Northern Maindenhair Fern (Fiddlehead) - Adiantum pedatum Habitat: Mixed wetland
https://www.jungledragon.com/image/95422/northern_maindenhair_fern_fiddlehead_-_adiantum_pedatum.html Adiantum pedatum,Geotagged,Northern maidenhair fern,United States,Winter

Appearance

''A. pedatum'' grows 30–75 cm tall, and is deciduous. It grows in a variety of habitats, but generally favors soils that are both humus-rich, moist, and well-drained. It grows both in soils and on rock faces and ledges when adequate moisture is present.
Maidenhair Fern - Adiantum pedatum Habitat: Mesic forest Adiantum pedatum,Geotagged,Northern maidenhair fern,Spring,United States,adiantum,fern

Naming

Several species have been segregated from the former ''A. pedatum'', ''sensu lato''. These include ''A. aleuticum'', ''A. viridimontanum'', ''A. myriosorum'', and ''A. subpedatum''. These all have fronds distinctively bifurcated and with pinnae on only one side.

References:

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Taxonomy
KingdomPlantae
DivisionPolypodiophyta
ClassPolypodiopsida
OrderPolypodiales
FamilyPteridaceae
GenusAdiantum
SpeciesA. pedatum