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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 exposed Lithosols (dry, thin cobbly Columbia River basalt) in the Columbia Basin of Oregon. The type is considered herbaceous grassland, although it is quite close to a sparse vegetation type, with bare or lichen-covered rock occupying almost 40% of the total cover. Poa secunda (= Poa sandbergii) in its dwarf, scabland form (generally only 2 dm tall, blooming very early in the spring) dominates the vegetation (25-75% cover). Balsamorhiza serrata is always present, although often at low cover (1-25% cover). The association has both perennial forbs (Trifolium macrocephalum, Phlox longifolia, Lomatium bicolor var. leptocarpum) and annual forbs (Blepharipappus scaber, Idahoa scapigera, Holosteum umbellatum, Polygonum spp.). Most sites are fairly flat (less than 20% slope), but include all aspects, with elevations ranging from 2200-4800 feet in elevation. This association is similar to the Lomatium cous - Poa secunda Herbaceous Vegetation (CEGL001790) and the various Poa secunda - Eriogonum low shrubland associations, but are fairly easily distinguished by the presence of Balsamorhiza serrata and the lack of Eriogonum spp. or Lomatium cous.  Accession Code: VB.CC.24006.BALSAMORHIZASER 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: Poa secunda Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: (Serrate Balsamroot) - Curly Bluegrass Herbaceous Vegetation   UID: ELEMENT_GLOBAL.2.688226 NatureServe Explorer   Scientific: (Balsamorhiza serrata) - Poa secunda Herbaceous Vegetation   Code: CEGL001782 (convergence) and Synonyms: (undetermined) (Balsamorhiza serrata) - Poa secunda Herbaceous Vegetation