Mt. Rainier

Mt. Rainier Flora -- Polypodium hesperium -- (Western Polypody)

presented by Susan McDougall


Polypodium hesperium

The oval sori occupy most of the underside of the leaflet; they are located midway between the rib and margin.

Author: Susan McDougall
meadow below Cayuse Pass, Mount Rainier National Park
GPS: 46.8653, -121.5407, 4556
Date: August 8, 2015
Polypodium hesperium

The upper surface is smooth, and the leaf stalk is nearly as long as the frond.

Author: Susan McDougall
meadow below Cayuse Pass, Mount Rainier National Park
GPS: 46.8653, -121.5407, 4556
Date: August 8, 2015
Polypodium hesperium

Locally common from low to middle elevations at the Park, this polypody grows in rocky crevices. It is a small fern with fronds to about eight inches in length.

Author: Susan McDougall
Highway 123 near Ohanapecosh, Mount Rainier National Park
GPS: 46.7211, -121.5766, 1917
Date: May 18, 2014

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All images are the property of Susan McDougall.
Comments about these photo pages should be directed to podicepswa@gmail.com