Friday, September 6, 2013

Northern Lady Fern (Athyrium filix-femina)

Circular groups of gracefully arching Northern Lady Fern fronds are a common sight in moist fields, damp wooded areas and along stream beds, and this fern is often cultivated in woodland gardens.

The fronds are getting a bit rough around the edges at this time of year.

The underside of the blade with its distinctive pattern of sori. The elongated sori are often curved, hooked or "J"-shaped.

Pinnules are lobed, with toothed edges.

The stipe, usually green, has a few scattered brown scales.

Northern Lady Fern has a form with a red stipe – Athyrium filix-femina var. rubellum.