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Cystopteris montana
Also called Mountain Bladder Fern
Cystopteris montana, previously classified as Athyrium montanum, 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 around Canada. It is also present in the higher elevations in Colorado further 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. The blade is pentagonal in shape and divided into leaflets which are subdivided into many lobed and toothed segments. The sori are covered in hairy, whitish, cup-shaped indusia.
Bladder Fern · Alpine Bladder Fern · Bulblet bladderfern · Cystopteris chinensis · Greenish Bladder Fern · Dickie's Bladder-fern · Brittle bladderfern · St. Lawrence bladderfern · Lowland bladderfern · Bladderfern · Tennessee bladderfern · Upland brittle bladderfern
Text excerpted from the Wikipedia article Cystopteris montana by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
