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Pascopyrum smithii - Eleocharis spp. Wet Meadow | NatureServe Biotics 2019
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Name: Pascopyrum smithii - Eleocharis spp. Wet Meadow Reference: NatureServe Biotics 2019 Description: This association includes stands of herbaceous vegetation growing in periodically inundated, small playas on the northern Great Plains. The sites supporting this association are closed basins (playas) of &lt;1 ha with fine-textured soils that impede drainage; consequently the playas are flooded periodically. The small basins supporting this association have standing water during "the wet seasons," presumably meaning mainly in the spring and also after heavy summer rains. <i>Pascopyrum smithii</i> and <i>Eleocharis</i> spp. (<i>Eleocharis acicularis</i> or <i>Eleocharis palustris</i> or both) dominate the vegetation, and <i>Hordeum brachyantherum, Juncus arcticus ssp. littoralis</i>, and <i>Alopecurus</i> spp. often are present. Stands of this type typically include two zones, resulting from differences in the period of inundation. The lowest part of the stand, which is inundated most often and for the longest time, is dominated by <i>Eleocharis acicularis</i>, and may contain <i>Hordeum brachyantherum, Juncus arcticus ssp. littoralis</i>, and <i>Alopecurus aequalis</i> or <i>Alopecurus carolinianus</i>, and bare soil accounts for about 75% of the ground surface; the higher part of the stand is dominated by <i>Pascopyrum smithii</i> and may contain substantial amounts of <i>Carex douglasii</i> and <i>Vulpia octoflora</i>. The species common in the surrounding vegetation are absent from stands of this type, or contribute little cover.  Accession Code: urn:lsid:vegbank.org:commConcept:30490-{5000569E-9F97-4480-9AA3-6AFE3C154E5E} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 21-Apr-1997 to: ongoing
	status: accepted Community's Parent: Pascopyrum smithii - Distichlis spicata - Hordeum jubatum Wet Meadow Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684905 NatureServe Explorer   Code: CEGL001581   Translated: Western Wheatgrass - Spikerush species Wet Meadow   Common: Western Wheatgrass - Spikerush Mixedgrass Prairie   Scientific: Pascopyrum smithii - Eleocharis spp. Wet Meadow (convergence) and Synonyms: (similar) CEGL001581 (similar) Pascopyrum smithii - Eleocharis spp. Herbaceous Vegetation (similar) Pascopyrum smithii - Eleocharis spp. Herbaceous Vegetation