[Ferns East of the Crest of the Cascade Mountains of Oregon and Washington]

Common Ladyfern, Northwestern Ladyfern, Northwestern Lady Fern

Athyrium filix-femina var. cyclosorum

Synonym: Athryium filix-femina ssp. cyclosorum

Common Ladyfern, Northwestern Ladyfern, Northwestern Lady Fern: Athyrium filix-femina var. cyclosorum (Synonym: Athryium filix-femina ssp. cyclosorum)

The photo above shows the distinctive shape of the subarctic lady fern as seen in moist coniferous forest at the eastern edge of Swampy Meadows on the western slopes of Mt. Adams.......................August 11, 2008.

Portion of the frond of Common Ladyfern, Northwestern Ladyfern, Northwestern Lady Fern: Athyrium filix-femina var. cyclosorum (Synonym: Athryium filix-femina ssp. cyclosorum)

The photo above shows the upper portion of a frond of lady fern as seen in wetland forest adjacent to Willard Springs in Conboy Lake NWR................July 31, 2008.

Common Ladyfern, Northwestern Ladyfern, Northwestern Lady Fern: Athyrium filix-femina var. cyclosorum (Synonym: Athryium filix-femina ssp. cyclosorum)

A large clump of lady fern growing alongside upper Little Pine Creek along the Canyon Mountain Trail #218, Strawberry Mountain Wilderness...............August 19, 2011. Columbia monkshood (Aconitum columbianum), streambank arnica (Arnica amplexifolius) and sharptooth angelica (Angelica arguta) can also be seen around the lady fern.

Paul Slichter