Christmas Fern

Polystichum acrostichoides · Dryopteridaceae (Wood Fern family)

AI-generated identification · may be incorrect
Christmas Fern

Leaf Morphology

Leaf Type

Compound (pinnately compound frond, evergreen)

Shape

Lanceolate frond composed of numerous alternate, lance-shaped pinnae with a distinctive heel or ear-like projection

Margin

Finely serrate or spinulose-toothed along the edges of individual pinnae

Arrangement

Alternate pinnae arranged along a central rachis, growing in a clump-forming basal rosette

Venation

Pinnate or free-branching veins originating from a central midrib on each individual pinna

Key Features

Individual pinnae feature a distinct upward-pointing ear or 'heel' near the base, resembling a miniature Christmas stocking or boot

Description

The Christmas Fern is a quintessential evergreen woodland fern forming handsome, fountain-like clumps. Its leathery, dark green fronds persist through winter and receive their common name from the fact that they stay green during the Christmas season and resemble a Christmas stocking in the shape of individual pinnae.

Habitat

Shaded woodlands, ravines, rocky slopes, and moist, well-draining acidic soils in deciduous forests

Native Range

Native to eastern North America, from Nova Scotia west to Minnesota, and south to Florida and Texas

Identified on 10/4/2026