rough maidenhair fern
(Adiantum hispidulum)
This species is Introduced in the United States
Appearance
Adiantum hispidulum is a maidenhair fern that grows well in moist, well drained, shady, tropical habitats. It grows into upright clumps of fronds growing up to 28 in. (70 cm) tall. Adiantum hispidulum stems are pilose.
Foliage
New foliage on Adiantum hispidulum is a pinkish to reddish color maturing to dark green to green bronze.
Flowers
Ferns do not produce flowers. Sori form on the underside of the fronds and produce spores.
Fruit
Spore producing sori develop along outer and upper margins of the fronds of Adiantum hispidulum. New plants can also be grown from dividing the rhizomes. The short creeping rhizomes are covered with dark scales.
Ecological Threat
Adiantum hispidulum is considered invasive in the Southern United States and Hawaii.
Selected Images
Maps
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
Invasive Listing Sources
Taxonomic Rank
| Domain: Eukarya |
| Kingdom: Plantae |
| Division: Pteridophyta |
| Class: Polypodiopsida |
| Order: Polypodiales |
| Family: Pteridaceae |
| Genus: Adiantum |
| Adiantum hispidulum |
References
Common Name Reference: USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.
Scientific Name Reference: USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.