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Claytonia megarhiza Herbaceous Alliance | Western Ecology Working Group of...
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Name: Claytonia megarhiza Herbaceous Alliance Reference: Western Ecology Working Group of... Description: This alliance occurs in the alpine tundra on windblown summits and ridges in the mountains of central Colorado. Stands are found above 3900 m on cold, dry microsites in rock crevices and on outcrop ledges primarily on southwest-facing slopes. Soils are young and poorly developed due to low soil temperature, low soil moisture during the summer, and a short growing season. The majority of the ground surface is covered with rock. Claytonia megarhiza is the dominant species. Draba fladnizensis, Draba lonchocarpa, Sagina saginoides, Silene acaulis, Festuca brachyphylla, Poa alpina, and Poa lettermanii are common associates. A cryptogam layer is present with Hypnum revolutum, Bryoerythrophyllum recurvirostre, and Physconia muscigena (= Physcia musigena) the most constant species.  Accession Code: VB.CC.21593.CLAYTONIAMEGARH 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: Claytonia megarhiza Herbaceous Alliance   Translated: Alpine Springbeauty Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.125855 NatureServe Explorer   Code: A.1626