Tags: Fern.
Cystopteris montana is a species of fern known by the common name mountain bladderfern. It occurs throughout the high latitudes of the Northern Hemisphere in Eurasia Greenland and Alaska and throughout Canada. It is also present in the higher elevations in Colorado farther south.This fern produces a creeping cordlike scaly stem. The leaves are up to 45 centimeters long. The blades are borne on a petiole with a dark base and a light-colored end. The petiole is longer than the blade.
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