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Pinus ponderosa / Hesperostipa comata Woodland | Western Ecology Working Group of...
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Name: Pinus ponderosa / Hesperostipa comata Woodland Reference: Western Ecology Working Group of... Description: This association includes Pinus ponderosa stands generally on coarse-textured soils with few or no shrubs and an herbaceous layer dominated by Hesperostipa comata (= Stipa comata), Achnatherum lemmonii (= Stipa lemmonii), Achnatherum occidentale (= Stipa occidentalis), Achnatherum thurberianum (= Stipa thurberiana), or Aristida purpurea var. longiseta (30-60% cover). The association is defined primarily by sandy soils and the absence of Festuca idahoensis and/or trace only amounts of Pseudoroegneria spicata. There are 13 native bunchgrass species (35-100% cover), 51 (49 native) perennial forbs (1-20% cover), 19 (11 native) annuals (1-20% cover), 3 shrubs in trace amounts, 7 dwarf-shrubs (1-9% cover). This is differentiated from other Pinus ponderosa / Stipa associations in the eastern Cascade that usually contain Purshia tridentata.  Accession Code: VB.CC.27174.PINUSPONDEROSAH 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: Pinus ponderosa Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Ponderosa Pine / Needle-and-Thread Woodland   UID: ELEMENT_GLOBAL.2.689096 NatureServe Explorer   Scientific: Pinus ponderosa / Hesperostipa comata Woodland   Code: CEGL000879 (convergence) and Synonyms: (undetermined) Pinus ponderosa / Hesperostipa comata Woodland