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Calamovilfa longifolia - Hesperostipa comata Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Calamovilfa longifolia - Hesperostipa comata Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This prairie sandreed grassland community type occurs in the central and northern Great Plains region of the United States. Stands occur on stabilized sand dunes, as well as in interdunal valleys, colluvial sands, and, less commonly, silty terraces of intermittent streams. Soils are medium to fine sands formed either from eolian or colluvial processes. The vegetation has an open canopy, dominated by mid to tall grasses. Calamovilfa longifolia and Hesperostipa comata (= Stipa comata) are the most conspicuous and dominant grasses. Other common grasses include Bouteloua gracilis, Koeleria macrantha, Achnatherum hymenoides (= Oryzopsis hymenoides), Sporobolus cryptandrus. The type may grade into stands dominated by Pascopyrum smithii and Nassella viridula (= Stipa viridula) at the base of slopes. Andropogon hallii or Hesperostipa spartea (= Stipa spartea) may also be present. Sedges are rare, but could include Carex inops ssp. heliophila. Forb diversity ranges from low to moderate, depending on the site. Dry valley sand prairies may be particularly forb-rich. Silty terraces of intermittent streams may contain Artemisia frigida, Artemisia ludoviciana, Gutierrezia sarothrae, Psoralidium tenuiflorum, and Yucca glauca. Shrubs are scattered and infrequent to absent, with Rhus trilobata the most common species. These areas are highly susceptible to invasion by exotic brome grasses (Bromus japonicus, Bromus squarrosus, Bromus tectorum) and may be quite weedy.  Accession Code: VB.CC.27342.CALAMOVILFALONG 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: Calamovilfa longifolia Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Prairie Sandreed - Needle-and-Thread Herbaceous Vegetation   UID: ELEMENT_GLOBAL.2.690053 NatureServe Explorer   Scientific: Calamovilfa longifolia - Hesperostipa comata Herbaceous Vegetation   Code: CEGL001473   Common: Prairie Sandreed - Needle-and-Thread Prairie (convergence) and Synonyms: (undetermined) Calamovilfa longifolia - Hesperostipa comata Herbaceous Vegetation