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stdcommconcept1790117901

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Panicum virgatum Temporarily Flooded Herbaceous Alliance | Southeastern Ecology Working Gro...
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Name: Panicum virgatum Temporarily Flooded Herbaceous Alliance Reference: Southeastern Ecology Working Gro... Description: This alliance encompasses temporarily flooded areas dominated by the nominal species with other perennial graminoids and forbs. Associated species vary with geography and substrate. These may include Juncus spp., Solidago spp., Eupatorium spp., Toxicodendron radicans, Campsis radicans, Polygonum spp., and Panicum spp. This community is variable in its expression, but Panicum virgatum tends to be the tallest plant and to represent most of the biomass. Variability occurs in the cover of Panicum virgatum and the richness of associated species. Grasses constitute most of the biomass. Shrubs, if present, will constitute less than 10% cover; these may include Morella cerifera (= Myrica cerifera), Alnus serrulata, Amorpha nitens, Baccharis halimifolia, Betula nigra, Hypericum densiflorum, Ilex decidua, or Salix nigra. This alliance may develop as zoned herbaceous vegetation on rocky riverbank complexes along larger rivers in the Ouachita Mountains (D. Zollner pers. comm.), as cobble/boulder bars such as in Kentucky along the Ohio River (J. Campbell pers. comm.), or sandbars of Coastal Plain rivers in Mississippi and other states. These sites receive water input from the rivers during flood events, becoming dry during rainless intervals. Other associations may remain to be described in this alliance, and its complete range of variation described.  Accession Code: VB.CC.17901.PANICUMVIRGATUM Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Panicum virgatum Temporarily Flooded Herbaceous Alliance   Translated: Switchgrass Temporarily Flooded Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.125673 NatureServe Explorer   Code: A.1343