Alpine Ladyfern, American Alpine Lady Fern
Athyrium distentifolium ssp. americanum
Synonyms: Athyrium alpestre var. americanum, Athyrium americanum, Athyrium distentifolium var. 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.
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