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Lady fern facts for kids

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Lady fern
Athyrium filix-femina0.jpg
Conservation status

Secure (NatureServe)
Scientific classification

Athyrium filix-femina, the lady fern or common lady-fern, is a large, feathery species of fern native throughout most of the temperate Northern Hemisphere, where it is often abundant (one of the more common ferns) in damp, shady woodland environments and is often grown for decoration.

Its common names "lady fern" and "female fern" refer to how its reproductive structures (sori) are concealed in an inconspicuous – deemed "female" – manner on the frond. Alternatively, it is said to be feminine because of its elegant and graceful appearance.


Athyrium filix-femina Sori Tannwald1
Leaflets and sori
Athyrium filix-femina
Unrolling young frond

Athyrium filix-femina is now commonly split into three species, typical A. filix-femina, A. angustum (narrow lady fern) and A. asplenioides (southern lady fern).

Athyrium filix-femina is cespitose (the fronds arising from a central point as a clump rather than along a rhizome). The deciduous fronds are light yellow-green, 20–90 centimetres (7.9–35.4 in) long and 5–25 cm (2.0–9.8 in) broad. Sori appear as dots on the underside of the frond, 1–6 per pinnule. They are covered by a prominently whitish to brown reniform (kidney-shaped) indusium. Fronds are very dissected, being 3-pinnate. The stipe may bear long, pale brown, papery scales at the base. The spores are yellow on A. angustum and dark brown on A. asplenioides.

A. filix-femina is very hardy, tolerating temperatures as low as −20 °C (−4 °F) throughout its range.

Cultivation and uses

Numerous cultivars have been developed for garden use, of which the following have gained the Royal Horticultural Society's Award of Garden Merit:

  • A. filix-femina
  • A. filix-femina 'Vernoniae'
  • A. filix-femina 'Frizelliae'
Illustration Athyrium filix-femina0
19th century illustration

The young fronds are edible after cooking; Native Americans cooked both the fiddleheads and the rhizomes.

See also

Kids robot.svg In Spanish: Athyrium para niños

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