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Nassella pulchra Grassland Alliance | NatureServe Biotics 2019
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Name: Nassella pulchra Grassland Alliance Reference: NatureServe Biotics 2019 Description: This is a perennial grassland with <i>Nassella pulchra</i> dominant or characteristically present with other perennial grasses such as <i>Elymus glaucus, Festuca californica, Hordeum brachyantherum, Koeleria macrantha, Melica californica, Melica imperfecta, Nassella cernua, Nassella lepida</i>, and <i>Poa secunda</i> and with perennial forbs, such as <i>Calochortus</i> spp., <i>Calystegia</i> spp., <i>Sanicula</i> spp., and <i>Sisyrinchium bellum</i>. Many exotic species also co-occur. Emergent trees and shrubs may be present. Plant cover tends to be open. This once-extensive bunchgrass alliance grows from California's valleys and foothills south into Baja California, Mexico. Habitats are valley and foothill locations on all topographic locations. Inland soils are deep with high clay content, or shallow and rocky near the coast. Stands can occur on all topographic positions, but due to climatic factors, they do not occur over 1300 m of elevation. The native California bunchgrasses are adapted to a Mediterranean climate with moist, cool winters and long, dry summers. Precipitation varies from 25-70 cm per year, and falls mostly between November and April. <i>Nassella pulchra</i> stands commonly grow in deep and clay-rich soils, but they also occur on sterile serpentine soils, or in shallow soils of coastal hills in central and southern California. <i>Nassella pulchra</i> is more cold- and drought-tolerant than many introduced annual grasses.  Accession Code: urn:lsid:vegbank.org:commConcept:38198-{E7853BDA-1962-484B-840E-5437B0EF1126} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 18-Dec-2014 to: ongoing
	status: accepted Community's Parent: Nassella pulchra - Melica californica - Leymus condensatus Grassland Group This Community's Level: Alliance This Community's Children: Show/Hide   Nassella pulchra - Avena spp. - Bromus spp. Grassland   Nassella pulchra - Baccharis pilularis Grassland   Nassella pulchra - Corethrogyne filaginifolia Grassland   Nassella pulchra Grassland		Names:   UID: ELEMENT_GLOBAL.2.899105 NatureServe Explorer   Code: A1289   Translated: Purple Needlegrass Grassland Alliance   Common: Purple Needlegrass Grassland   Scientific: Nassella pulchra Grassland Alliance (convergence) and Synonyms: (similar) A.1289 (similar) Nassella pulchra Herbaceous Alliance