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Spartina patens - Panicum amarum - Hydrocotyle bonariensis Herbaceous Vegetation | Southeastern Ecology Working Gro...
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Name: Spartina patens - Panicum amarum - Hydrocotyle bonariensis Herbaceous Vegetation Reference: Southeastern Ecology Working Gro... Description: This association occurs on low dunes of barrier islands along the Louisiana and Texas coasts. In Louisiana, it is known from the Chandeleurs and related islands, where Spartina patens replaces Uniola paniculata (which is present in small amounts) as the dominant grass along the upper beach and primary dune. Louisiana barrier islands are the only areas in the southeastern U.S. to show a dominance by Spartina patens on the upper beach and primary dune. On the barrier islands of coastal Texas, this vegetation is found on stabilized secondary dunes where Spartina patens and Paspalum monostachyum typically codominate. Other grasses that may be present include Panicum amarum, Sporobolus virginicus, Cenchrus spinifex (= Cenchrus incertus), Eustachys petraea, and Eragrostis secundiflora ssp. oxylepis (= Eragrostis oxylepis). Other characteristic species include Galactia canescens, Rhynchosia americana, Opuntia stricta, Chamaecrista fasciculata (= Cassia fasciculata), Lythrum californicum, Helianthus argophyllus, Croton punctatus, Fimbristylis castanea, Sabatia stellaris, Cakile spp., Chamaesyce bombensis (= Chamaesyce ingallsii), and Ipomoea imperati (= Ipomoea stolonifera). The sediments which form beach parent material change abruptly between Ship Island (Mississippi) on the east and the Chandeleur Islands (Louisiana) to the west.  Accession Code: VB.CC.18576.SPARTINAPATENSP Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 01-Dec-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Spartina patens - (Schoenoplectus pungens) Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Saltmeadow Cordgrass - Bitter Panicgrass - Beach Pennywort Herbaceous Vegetation   UID: ELEMENT_GLOBAL.2.683628 NatureServe Explorer   Code: CEGL004971   Scientific: Spartina patens - Panicum amarum - Hydrocotyle bonariensis Herbaceous Vegetation   Common: West Gulf Coastal Plain Cordgrass Dune Grassland (convergence) and Synonyms: (undetermined) Spartina patens - Panicum amarum - Hydrocotyle bonariensis Herbaceous Vegetation