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Family	Scientific Name	Common Name	Habitat	Distribution
Pteridaceae	Adiantum anceps	Double-edge Maidenhair	Naturalized from horticultural use on limestone in rockland hammocks and ditch sides.	Native of South America.
Pteridaceae	Adiantum capillus-veneris	Venus'-hair Fern, Southern Maidenhair, Culantrillo	Moist calcareous substrates, in the Coastal Plain on ‘marl’ (coquina limestone) (NC and SC), on calcareous clay bluffs (GA), and adventive on lime mortar of old buildings and walls (as in Wilmington and Fayetteville, NC); in the Mountains and Interior Low Plateau on limestone or other calcareous sedimentary rocks.	Widespread on several continents, in e. North America largely southern in distribution, from e. NC, w. VA, MO, CO, UT, and CO south; also disjunct in SD and BC, and in Mexico, the West Indies, tropical and warm temperate portions of Central and South America, Eurasia, and Africa. A rather implausible record for the NC Mountains (Buncombe County, Montreat, mountain ravines, rare, 1923, J.H. Davis, Herbarium UNCC) is mapped as questionable.
Pteridaceae	Adiantum caudatum	Tailed Maidenhair
Pteridaceae	Adiantum hispidulum	Rough Maidenhair, Garden Maidenhair	Stone walls, old wells.	Native of Asia and Africa. Reported for GA (Harper 1903).
Pteridaceae	Adiantum melanoleucum	Fragrant Maidenhair	Limestone sinkholes in rockland hammocks.	S. FL (Miami-Dade County); West Indies.
Pteridaceae	Adiantum pedatum	Northern Maidenhair	Moist forests and cliffs, especially over calcareous or mafic rocks, sometimes in seasonal seepage.	NS and NB west to ON and MN, south to GA, AL, MS, LA, and OK. Sometimes interpreted to also be present in e. Asia; Lu et al. (2011) make clear that Asian material should be treated as two species distinct from Adiantum pedatum; Adiantum japonicum was named in 2021 (Zhao et al. 2021).
Pteridaceae	Adiantum tenerum	Brittle Maidenhair	Shaded limestone outcrops and adjacent calcareous soils, in ledges and sinkholes.	N. FL (Alachua and St. Johns counties) south to s. FL; West Indies; Mexico, Central America south to n. South America.
Pteridaceae	Adiantum trapeziforme	Diamond Maidenhair	Disturbed hammocks, naturalized from horticultural use.	Native of West Indies and Central America.
Pteridaceae	Adiantum villosum	Woolly Maidenhair	Rockland hammocks.	Native of s. FL and West Indies, s. Mexico, Central America, and n. South America.

Family

Scientific Name

Common Name

Habitat

Distribution

Image

Pteridaceae

Adiantum anceps

Double-edge Maidenhair

Naturalized from horticultural use on limestone in rockland hammocks and ditch sides.

Native of South America.

Pteridaceae

Adiantum capillus-veneris

Venus'-hair Fern, Southern Maidenhair, Culantrillo

Moist calcareous substrates, in the Coastal Plain on ‘marl’ (coquina limestone) (NC and SC), on calcareous clay bluffs (GA), and adventive on lime mortar of old buildings and walls (as in Wilmington and Fayetteville, NC); in the Mountains and Interior Low Plateau on limestone or other calcareous sedimentary rocks.

Widespread on several continents, in e. North America largely southern in distribution, from e. NC, w. VA, MO, CO, UT, and CO south; also disjunct in SD and BC, and in Mexico, the West Indies, tropical and warm temperate portions of Central and South America, Eurasia, and Africa. A rather implausible record for the NC Mountains (Buncombe County, Montreat, mountain ravines, rare, 1923, J.H. Davis, Herbarium UNCC) is mapped as questionable.

Pteridaceae

Adiantum caudatum

Tailed Maidenhair

Pteridaceae

Adiantum hispidulum

Rough Maidenhair, Garden Maidenhair

Stone walls, old wells.

Native of Asia and Africa. Reported for GA (Harper 1903).

Pteridaceae

Adiantum melanoleucum

Fragrant Maidenhair

Limestone sinkholes in rockland hammocks.

S. FL (Miami-Dade County); West Indies.

Pteridaceae

Adiantum pedatum

Northern Maidenhair

Moist forests and cliffs, especially over calcareous or mafic rocks, sometimes in seasonal seepage.

NS and NB west to ON and MN, south to GA, AL, MS, LA, and OK. Sometimes interpreted to also be present in e. Asia; Lu et al. (2011) make clear that Asian material should be treated as two species distinct from Adiantum pedatum; Adiantum japonicum was named in 2021 (Zhao et al. 2021).