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Spartina patens - Panicum amarum - Hydrocotyle bonariensis Grassland | NatureServe Biotics 2019
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Name: Spartina patens - Panicum amarum - Hydrocotyle bonariensis Grassland Reference: NatureServe Biotics 2019 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 <i>Spartina patens</i> replaces <i>Uniola paniculata</i> (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 <i>Spartina patens</i> on the upper beach and primary dune. On the barrier islands of coastal Texas, this vegetation is found on stabilized secondary dunes where <i>Spartina patens</i> and <i>Paspalum monostachyum</i> typically codominate. Other grasses that may be present include <i>Panicum amarum, Sporobolus virginicus, Cenchrus spinifex, Eustachys petraea</i>, and <i>Eragrostis secundiflora ssp. oxylepis</i>. Other characteristic species include <i>Galactia canescens, Rhynchosia americana, Opuntia stricta, Chamaecrista fasciculata, Lythrum californicum, Helianthus argophyllus, Croton punctatus, Fimbristylis castanea, Sabatia stellaris, Cakile</i> spp., <i>Chamaesyce bombensis</i>, and <i>Ipomoea imperati</i>. 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: urn:lsid:vegbank.org:commConcept:33740-{786B9C81-5D82-457B-AB99-97DC50653A6F} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 12-Dec-1997 to: ongoing
	status: accepted Community's Parent: Muhlenbergia filipes - Spartina patens Dune Grassland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.683628 NatureServe Explorer   Code: CEGL004971   Translated: Saltmeadow Cordgrass - Bitter Panicgrass - Beach Marsh-pennywort Grassland   Common: West Gulf Coastal Plain Cordgrass Dune Grassland   Scientific: Spartina patens - Panicum amarum - Hydrocotyle bonariensis Grassland (convergence) and Synonyms: (similar) CEGL004971 (similar) Spartina patens - Panicum amarum - Hydrocotyle bonariensis Herbaceous Vegetation (similar) Spartina patens - Panicum amarum - Hydrocotyle bonariensis Herbaceous Vegetation