maidenhair fern(redirected from Adiantum)
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Related to Adiantum: Adiantum capillus-veneris, Adiantum pedatum
maidenhair fern, maidenhair
(Adiantum), a genus of ferns of the family Polypodiaceae.
The genus is found almost everywhere, but the greatest number of species, about 200, are found in South America. There are two species in the USSR: A. pedatum in the Far East and A. capillus-veneris in the Caucasus, the Crimea, and Middle Asia. A. capillus-veneris is a tender ornamental with double or triple pinnatifid, delicate leaves on long, dark brown petioles. This species and many others are grown in rooms and greenhouses.