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Athyrium distentifolium

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About (Athyrium distentifolium) Athyrium distentifolium commonly known as Alpine Lady-fern is a fern found in widely in the Northern Hemisphere. It is a common upland variety above 600 meters in the Highlands of Scotland, with more than 10% of the UK population being found in the Cairngorm mountains, especially on scree slopes in Glen Feshie, and on Ben Avon, Ben MacDui and Beinn a' Bhird. Regarded as nationally scarce, it is a snow-tolerant species. The stunted form var flexile, which is found at 750 meters and above, is found at only 4 sites and is endemic to Scotland.
Plant Description
Plant Type

Native Status

Natural Setting
Elevation ?
185' - 14090'

Annual Precip. ?
31.3" - 152.2"

Summer Precip. ?
0.87" - 5.84"

Coldest Month ?
10.8° F - 46.2° F

Hottest Month ?
34.1° F - 69.3° F

Humidity ?
0.31 vpd - 15.84 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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