[Ferns East of the Crest of the Cascade Mountains of Oregon and Washington]
Alpine Ladyfern, American Alpine Lady Fern

Athyrium alpestre ssp. americanum

Alpine Ladyfern, American Alpine Lady Fern: Athyrium americanum

Alpine ladyfern as seen in a talus field in the Strawberry Mountain Wilderness of central Oregon.................August 3, 2011.

Alpine Ladyfern, American Alpine Lady Fern: Athyrium americanum

The photo above shows alpine lady fern as seen at 6300' amongst rocks on an old moraine at the base of the Adams Glacier, Mt. Adams.........................September 18, 2008.

Alpine Ladyfern, American Alpine Lady Fern: Athyrium americanum

The photo above shows a close-up of the underside of a frond of alpine lady fern as seen at 6300' on an old moraine at the base of the Adams Glacier, Mt. Adams.........................September 18, 2008.
Paul Slichter