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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. This association occurs at the wrack line; there is regular deposition of wave-deposited flotsam. They are 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 Cakile edentula ssp. edentula, as well as Salsola kali ssp. kali (= Salsola caroliniana), Chamaesyce polygonifolia, Honckenya peploides, Cenchrus tribuloides, Amaranthus retroflexus, Chenopodium album, Erechtites hieraciifolia, Xanthium strumarium, and Atriplex cristata (= Atriplex arenaria). Globally rare species such as Polygonum glaucum and Amaranthus pumilus occur in this habitat. Sparse Ammophila breviligulata can occur sporadically as a common associate, colonizing from the adjacent beachgrass community. Diagnostic species are Cakile edentula ssp. edentula, Salsola kali ssp. kali, Atriplex cristata (= Atriplex pentandra), and Chamaesyce polygonifolia. This community occurs in maritime coastal areas from southern Maine to Cape Hatteras, North Carolina.  Accession Code: VB.CC.19774.CAKILEEDENTULAS Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Cakile edentula Sparsely Vegetated Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Sea-rocket - Northern Seaside Spurge Sparse Vegetation   UID: ELEMENT_GLOBAL.2.684786 NatureServe Explorer   Code: CEGL004400   Scientific: Cakile edentula ssp. edentula - Chamaesyce polygonifolia Sparse Vegetation   Common: North Atlantic Upper Ocean Beach (convergence) and Synonyms: (undetermined) Cakile edentula ssp. edentula - Chamaesyce polygonifolia Sparse Vegetation