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(Balsamorhiza serrata) - Poa secunda Herbaceous Vegetation | Western Ecology Working Group of...
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Name: (Balsamorhiza serrata) - Poa secunda Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This is a sparse grassland, found on shallow, cobbly soils in the Columbia Basin of Oregon and the Grand Teton Mountains of northwestern Wyoming. Most sites are fairly flat (less than 20% slope), but include all aspects, with elevations ranging from 670 to 1465 m (2200-4800 feet) in elevation. The type is considered an herbaceous grassland, although bare or lichen-covered rock occupies almost 40% of the total cover, and in some sites, forb species may have higher cover than graminoids. <i>Poa secunda (= Poa sandbergii)</i> in its dwarf, scabland form (generally only 2 dm tall, blooming very early in the spring) dominates the vegetation (25-75% cover). <i>Balsamorhiza serrata</i> or <i>Balsamorhiza sagittata</i> is always present, although often at low cover (1-25% cover). The association has both perennial forbs (<i>Trifolium macrocephalum, Eriogonum umbellatum, Phlox longifolia, Lomatium bicolor var. leptocarpum</i>) and annual forbs (<i>Blepharipappus scaber, Idahoa scapigera, Holosteum umbellatum, Polygonum</i> spp.). This association is similar to <i>~Lomatium cous - Poa secunda</i> Herbaceous Vegetation (CEGL001790)$$ and various <i>Poa secunda - Eriogonum</i> low shrubland associations, but is fairly easily distinguished by the presence of <i>Balsamorhiza</i> spp. and the lack of <i>Eriogonum</i> spp. or <i>Lomatium cous</i>.  Accession Code: VB.CC.34560.CEGL001782 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.688226 NatureServe Explorer   Translated: (Serrate Balsamroot) - Sandberg Bluegrass Herbaceous Vegetation   Scientific: (Balsamorhiza serrata) - Poa secunda Herbaceous Vegetation   Code: CEGL001782