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Trifolium (dasyphyllum, nanum) Herbaceous Alliance | Western Ecology Working Group of...
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Name: Trifolium (dasyphyllum, nanum) Herbaceous Alliance Reference: Western Ecology Working Group of... Description: Vegetation in this alliance occurs in the alpine tundra in the mountains of Colorado and Wyoming. Stands are found in the upper alpine zone between 3350 and 3650 m elevation on broad, gently sloping ridgetops that are snow-covered in winter. Stands form alpine meadows and have a thick cover of herbaceous plants and a small number of exposed cobbles and boulders. The soils are poorly developed, have a high organic matter content, and are classified as Inceptisols (Cryochrepts). A number of species occur in the alliance and in relatively high abundance. Trifolium dasyphyllum is the dominant species in the herbaceous canopy. Minuartia obtusiloba, Phlox pulvinata, Tetraneuris grandiflora, Tetraneuris acaulis, Artemisia pattersonii, Geum rossii, and Mertensia oblongifolia (= Mertensia viridis) are common forb associates. Kobresia myosuroides, Carex rupestris, and Helictotrichon mortonianum are constant graminoid associates. A number of forb species, including Trifolium dasyphyllum, Minuartia obtusiloba, and Phlox pulvinata, form large mats that cover the ground. The cryptogam layer has a moderate cover and diversity of mainly lichen species. Caloplaca holocarpa, Flavocetraria nivalis (= Cetraria nivalis), Vulpicida tilesii (= Cetraria tilesii), and Thamnolia subuliformis are the most common lichens.  Accession Code: VB.CC.20979.TRIFOLIUMDASYPH 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: Trifolium (dasyphyllum, nanum) Herbaceous Alliance   Translated: (Uinta Clover, Tundra Clover) Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.126240 NatureServe Explorer   Code: A.1637