[Polypody Ferns of the Cascade Mountains of Oregon and Washington]

Western Polypody

Polypodium hesperium

Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium

Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium)

Western polypody as seen on rock outcrops along the Pacific Crest Trail #2000 about 1 mile northeast of Chinook Pass, Mount Baker-Snoqualmie National Forest.............August 25, 2014.

Underside of the frond of Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium) - Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium) - Underside of the frond of Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium)

Western polypody as seen on rock outcrops along the Pacific Crest Trail #2000 about 1 mile northeast of Chinook Pass, Mount Baker-Snoqualmie National Forest.............August 25, 2014.

Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium) - Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium)

Western polypody as seen on rock outcrops along the High Rock Trail #266, northern Gifford Pinchot National Forest.........July 2, 2015.

Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium) - Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium) - Western Polypody: Polypodium hesperium (Synonyms: Polypodium prolongilobum, Polypodium vulgare, Polypodium vulgare var. columbianum, Polypodium vulgare var. hesperium)

Western polypody as seen on rock outcrops along the Ape Canyon Trail #234, Mount Saint Helens National Volcanic Monument..............October 8, 2014.

Paul Slichter