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Athyrium americanum Sparsely Vegetated Alliance | Western Ecology Working Group of...
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Name: Athyrium americanum Sparsely Vegetated Alliance Reference: Western Ecology Working Group of... Description: This alliance occurs in the alpine tundra in the mountains of Colorado. Stands are found in the lower alpine zone between 3300-3410 m elevation on stable scree slopes, usually on southeast-facing slopes in warm, moist microsites. The ground is covered with rock and is snow covered in the winter. In this alliance Athyrium americanum is the dominant species. Ligusticum tenuifolium is a constant associate. Chamerion angustifolium (= Epilobium angustifolium), Mertensia ciliata, Carex ebenea, and Luzula parviflora are often present in the herbaceous layer. Moss cover is very sparse due to the Athyrium americanum leaf litter that covers the ground surface.  Accession Code: VB.CC.19623.ATHYRIUMAMERICA Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Athyrium americanum Sparsely Vegetated Alliance   Translated: American Alpine Lady Fern Sparsely Vegetated Alliance   Code: A.1625   UID: HIGHER_CLASS_UNIT.2.124751 NatureServe Explorer