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Eleocharis obtusa - Eragrostis hypnoides - Ludwigia palustris Temperate Pacific Freshwater Wet Mudflat Group | NatureServe Biotics 2019
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Name: Eleocharis obtusa - Eragrostis hypnoides - Ludwigia palustris Temperate Pacific Freshwater Wet Mudflat Group Reference: NatureServe Biotics 2019 Description: This group consists of communities that occur on freshwater mudflats found scattered throughout the temperate regions of the western U.S. and Canada. They are dominated mainly by low-statured annual plants and range in physiognomy from sparsely vegetated mud to extensive sods of herbaceous vegetation. The predominant species include <i>Crassula aquatica, Eleocharis obtusa, Eragrostis hypnoides, Gnaphalium palustre, Lilaeopsis occidentalis, Limosella aquatica</i>, and/or <i>Ludwigia palustris</i>. In the Pacific Northwest, they occur primarily in seasonally or tidally flooded shallow lakebeds and on floodplains, especially along the lower Columbia River. During any one year, they may be absent because of year-to-year variation in river water levels. Mudflats must be exposed before the vegetation develops from the seedbank.  Accession Code: urn:lsid:vegbank.org:commConcept:40206-{864F3F6F-FC0D-4906-B286-8004792270CF} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 02-Dec-2015 to: ongoing
	status: accepted Community's Parent: Vancouverian Lowland Marsh, Wet Meadow & Shrubland Macrogroup This Community's Level: Group This Community's Children: Show/Hide   Bidens cernua - Euthamia occidentalis - Ludwigia palustris Intertidal Mudflat Alliance   Eleocharis obtusa - Eragrostis hypnoides Intertidal Mudflat Alliance   Grindelia stricta - Grindelia sp. Wet Mudflat Alliance   Lilaeopsis occidentalis Freshwater Tidal Mudflat Alliance		Names:   UID: ELEMENT_GLOBAL.2.848805 NatureServe Explorer   Code: G525   Scientific: Eleocharis obtusa - Eragrostis hypnoides - Ludwigia palustris Temperate Pacific Freshwater Wet Mudflat Group