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Muhlenbergia filiculmis Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Muhlenbergia filiculmis Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This association occurs in Colorado on xeric grassland sites of higher elevations (2700-3085 m, 8860-10,120 feet) in areas of scant rainfall. In the San Juan Mountains and Rampart Ranges, it occurs primarily on volcanically derived soils, and on the Rio Grande River it is found on alluvial benches. In the San Juan Mountains, Tertiary volcanic rocks overlying Precambrian crystalline and sedimentary rocks are the predominant parent materials and surface rocks for this association. Fifty percent or more of the ground surface can be exposed rock. The dominant species, Muhlenbergia filiculmis, tends to form rings or cushions averaging 2-8 inches or more in diameter. In Florissant National Monument, this grassland is observed to occur in rings or ovals on ridge and hilltops. Bouteloua gracilis is abundant, and several other grasses, including Festuca arizonica and Koeleria macrantha, are found in scattered patches. Commonly associated forbs include Artemisia frigida, Hymenoxys richardsonii, and Arenaria fendleri. Drier sites within the association tend to have an even greater abundance of Muhlenbergia filiculmis than more mesic sites. Festuca arizonica - Muhlenbergia filiculmis Herbaceous Vegetation (CEGL001605) occurs in the same area but on steeper more south-facing slopes, and has a much higher amount of Festuca arizonica.  Accession Code: VB.CC.27410.MUHLENBERGIAFIL Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Muhlenbergia filiculmis Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Slim-stem Muhly Herbaceous Vegetation   UID: ELEMENT_GLOBAL.2.685544 NatureServe Explorer   Code: CEGL001780   Scientific: Muhlenbergia filiculmis Herbaceous Vegetation   Common: Slim-stem Muhly (convergence) and Synonyms: (undetermined) Muhlenbergia filiculmis Herbaceous Vegetation