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Cakile edentula ssp. edentula - Chamaesyce polygonifolia Sparse Vegetation | Eastern Ecology Working Group of...
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Name: Cakile edentula ssp. edentula - Chamaesyce polygonifolia Sparse Vegetation Reference: Eastern Ecology Working Group of... Description: This is a sparsely vegetated upper beach community occurring on unstable sands and often gravels and cobbles just above mean high tide on maritime beaches and foredunes along the middle and northern Atlantic coast. It also occurs on small bay islands and bay sides of barrier beaches. This association occurs at the wrack line where there is regular deposition of wave-deposited flotsam. The setting of this association is often dry sand, but is irregularly flooded by spring or storm tides. Vegetation cover is variable, depending on the amount of exposure to wave and wind action, but is generally sparse and characterized by annuals and biennials. Species composition can change dramatically from year to year but frequently includes <i>Cakile edentula ssp. edentula</i>, as well as <i>Salsola kali ssp. kali (= Salsola caroliniana), Chamaesyce polygonifolia, Honckenya peploides, Cenchrus tribuloides, Amaranthus retroflexus, Chenopodium album, Erechtites hieraciifolia, Xanthium strumarium</i>, and <i>Atriplex cristata (= Atriplex arenaria)</i>. <i>Panicum amarum var. amarum</i> is a frequent component south of the Delaware Bay. Globally rare species such as <i>Polygonum</i><i> glaucum</i> and <i>Amaranthus pumilus</i> occur in this habitat. Sparse <i>Ammophila breviligulata</i> can occur sporadically as a common associate, colonizing from the adjacent beachgrass community. Diagnostic species are <i>Cakile edentula ssp. edentula, Salsola kali ssp. kali, Atriplex cristata (= Atriplex pentandra)</i>, and <i>Chamaesyce polygonifolia</i>. This community occurs in maritime coastal areas from southern Maine to Cape Hatteras, North Carolina.  Accession Code: VB.CC.31432.CEGL004400 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684786 NatureServe Explorer   Common: North Atlantic Upper Ocean Beach   Translated: American Searocket - Seaside Sandmat Sparse Vegetation   Scientific: Cakile edentula ssp. edentula - Chamaesyce polygonifolia Sparse Vegetation   Code: CEGL004400