Western Polypody
Polypodium hesperium
Synonyms: Polypodium prolongilobum, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium
Dorsal frond surface of what may be western polypody as seen along the Angels Rest trail in the Columbia River Gorge.................May 18, 2009.
Close-up view of the sori arranged on the ventral frond surface of what may be western polypody as seen along the Angels Rest trail in the Columbia River Gorge.........May 18, 2009.
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Close-ups of western polypody as seen on moist cliffs along the Eagle Creek Trail, Columbia River Gorge National Scenic Area........March 26, 2012.
Paul Slichter