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Hesperostipa comata - Poa secunda Grassland | NatureServe Biotics 2019
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Name: Hesperostipa comata - Poa secunda Grassland Reference: NatureServe Biotics 2019 Description: This association is endemic to the Palouse Prairie region of Oregon and Washington. Similar sandy soil sites support sparse shrub cover of <i>Purshia tridentata, Artemisia tridentata</i>, or <i>Artemisia tripartita</i> in the Columbia Basin. Sandy to gravelly soils or certain low fertility soils (old weathered volcanic ash) are associated with this type. This community occurs in more climatically moist areas than sites of ~<i>Artemisia tridentata ssp. wyomingensis / Hesperostipa comata</i> Shrubland (CEGL001051)$$. This is an open to closed vegetation type with most of its total cover found in only the mid-tall bunchgrass lifeform. <i>Ericameria</i> spp. and <i>Chrysothamnus</i> spp. can be present or codominant especially on disturbed sites. The general aspect is of a bunchgrass community with <i>Hesperostipa comata</i> dominating the midgrass layer. Some stands have a short bunchgrass layer of <i>Poa secunda</i>. Broad-leaved herbs typically contribute little to composition of individual sites. Annual grasses and forbs are common and can be diverse. In disturbed sites <i>Bromus tectorum</i> and <i>Plantago patagonica</i> are common. A diverse ground moss and lichen layer can cover much of the space between vascular plants, although it can be displaced with ground disturbance.  Accession Code: urn:lsid:vegbank.org:commConcept:30613-{3F8D3A4A-AE5D-424F-B6AB-C6DD25E2A4F8} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 09-Jun-1993 to: ongoing
	status: accepted Community's Parent: Festuca idahoensis - Pseudoroegneria spicata Palouse Grassland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.683090 NatureServe Explorer   Code: CEGL001704   Translated: Needle-and-Thread - Sandberg Bluegrass Grassland   Scientific: Hesperostipa comata - Poa secunda Grassland (convergence) and Synonyms: (similar) Hesperostipa comata - Poa secunda Herbaceous Vegetation (similar) CEGL001704 (similar) Hesperostipa comata - Poa secunda Herbaceous Vegetation