Adiantum pedatum
Encyclopedia
Adiantum pedatum is a maidenhair
Maidenhair fern
Adiantum , the maidenhair ferns, is a genus of about 200 species of ferns in the family Pteridaceae, though some researchers place it in its own family, Adiantaceae...

 fern
Fern
A fern is any one of a group of about 12,000 species of plants belonging to the botanical group known as Pteridophyta. Unlike mosses, they have xylem and phloem . They have stems, leaves, and roots like other vascular plants...

 native to moist woodland
Woodland
Ecologically, a woodland is a low-density forest forming open habitats with plenty of sunlight and limited shade. Woodlands may support an understory of shrubs and herbaceous plants including grasses. Woodland may form a transition to shrubland under drier conditions or during early stages of...

 in eastern North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

.

Adiantum aleuticum
Adiantum aleuticum
Adiantum aleuticum is a species of fern in the genus Adiantum, native mainly to western North America from the Aleutian Islands of Alaska, south to Chihuahua, and also locally in northeastern North America from Newfoundland south to Maryland.The fronds grow to 15-110 cm high, and are...

was once considered a subspecies. Both Adiantum pedatum and aleuticum
Adiantum aleuticum
Adiantum aleuticum is a species of fern in the genus Adiantum, native mainly to western North America from the Aleutian Islands of Alaska, south to Chihuahua, and also locally in northeastern North America from Newfoundland south to Maryland.The fronds grow to 15-110 cm high, and are...

have frond
Frond
The term frond refers to a large, divided leaf. In both common usage and botanical nomenclature, the leaves of ferns are referred to as fronds and some botanists restrict the term to this group...

s distinctively bifurcated and with pinnae
Leaflet
A leaflet in botany is a part of a compound leaf. A leaflet may resemble an entire leaf, but it is not borne on a stem as a leaf is, but rather on a vein of the whole leaf. Compound leaves are common in many plant families...

on only one side.

Height is 1-2.5 feet (0.3-0.75 m) tall.

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