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Polygonum spp. - Echinochloa spp. - Distichlis spicata Wet Meadow Alliance | NatureServe Biotics 2019
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Name: Polygonum spp. - Echinochloa spp. - Distichlis spicata Wet Meadow Alliance Reference: NatureServe Biotics 2019 Description: This wetland community is found in the central Great Plains of the United States. Annual herbaceous graminoids and forbs, mostly &lt;1 m tall, dominate the exposed mudflats, and species composition and extent of the community fluctuate from site to site and year to year. In Nebraska, graminoids include <i>Cyperus acuminatus, Eleocharis engelmannii</i>, and <i>Echinochloa muricata</i>, and forbs include <i>Bacopa rotundifolia, Coreopsis tinctoria, Elatine rubella, Heteranthera limosa, Limosella aquatica, Lindernia dubia, Mollugo verticillata, Polygonum pensylvanicum, Polygonum lapathifolium, Rumex stenophyllus</i>, and <i>Sagittaria calycina</i>. In Kansas, graminoids include <i>Hordeum jubatum</i>, and forbs include <i>Ambrosia grayi, Symphyotrichum subulatum</i>, and <i>Chenopodium berlandieri</i>. The frequent water fluctuations and thick claypan prevent establishment of most perennial hydrophytes, such as <i>Schoenoplectus</i> spp. and <i>Typha</i> spp. It occurs in shallow depressions on gently sloping topography. Soils are deep to moderately deep loams or clay loams underlain by a dense clay sublayer. Sites flood for some part of the growing season but do not stay flooded for long periods.  Accession Code: urn:lsid:vegbank.org:commConcept:38210-{75EF3277-BED1-4DBD-A10B-713338ED68A8} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 08-Jan-2014 to: ongoing
	status: accepted Community's Parent: Pascopyrum smithii - Panicum obtusum - Bouteloua dactyloides Playa & Rainwater Basin Wetland Group This Community's Level: Alliance This Community's Children: Show/Hide   Polygonum spp. - Echinochloa spp. - Distichlis spicata Playa Lake Wet Meadow		Names:   UID: ELEMENT_GLOBAL.2.899116 NatureServe Explorer   Code: A1348   Translated: Knotweed species - Cockspur Grass species - Saltgrass Wet Meadow Alliance   Common: Knotweed - Cockspur Grass - Saltgrass Wet Meadow   Scientific: Polygonum spp. - Echinochloa spp. - Distichlis spicata Wet Meadow Alliance (convergence) and Synonyms: (similar) Polygonum spp. - Echinochloa spp. Temporarily Flooded Herbaceous Alliance (similar) A.1348