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Impatiens capensis - Peltandra virginica - Sagittaria latifolia - (Typha angustifolia) Tidal Herbaceous Vegetation | Eastern Ecology Working Group of...
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Name: Impatiens capensis - Peltandra virginica - Sagittaria latifolia - (Typha angustifolia) Tidal Herbaceous Vegetation Reference: Eastern Ecology Working Group of... Description: This association occurs in reliably flooded swales or backmarshes within the upper reaches of freshwater tidal marshes along tidal rivers of the Atlantic coast. Salinity is fresh to slightly brackish. These low-lying depressions are flooded for a longer duration than the surrounding habitat as they trap floodwaters as tides recede. Species composition and abundance in these small-patch wet depression are highly variable. They are best characterized by the presence and/or dominance of Peltandra virginica, Impatiens capensis, Sagittaria latifolia, and/or Typha angustifolia. Associated species commonly include Pontederia cordata, Polygonum spp. (Polygonum arifolium, Polygonum sagittatum, Polygonum hydropiperoides, Polygonum punctatum), Bidens spp. (Bidens laevis, Bidens frondosa, Bidens coronata), Schoenoplectus fluviatilis, Leersia oryzoides, Zizania aquatica, Amaranthus cannabinus, Sium suave, Apios americana, Iris versicolor, Echinochloa walteri, and others. The exotic Murdannia keisak has been noted in this community in the southern portion of the range. Species of the surrounding oligohaline or mesohaline marshes or from palustrine setting can occur in these microhabitats, but are usually not dominant. Substrate is highly variable ranging from silts, silty mucks, peats, or sands.  Accession Code: VB.CC.27290.IMPATIENSCAPENS 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: Peltandra virginica - Pontederia cordata Tidal Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Orange Jewelweed - Green Arrow-arum - Broadleaf Arrowhead - (Narrowleaf Cattail) Tidal Herbaceous Vegetation   UID: ELEMENT_GLOBAL.2.689421 NatureServe Explorer   Scientific: Impatiens capensis - Peltandra virginica - Sagittaria latifolia - (Typha angustifolia) Tidal Herbaceous Vegetation   Common: Freshwater Tidal Mixed Forbs High Marsh   Code: CEGL006325 (convergence) and Synonyms: (undetermined) Impatiens capensis - Peltandra virginica - Polygonum arifolium - Schoenoplectus fluviatilis - Typha angustifolia Tidal Herbaceous Vegetation