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Salix nigra - Betula nigra / Schoenoplectus pungens Riverscour Shrubland | NatureServe Biotics 2019
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Name: Salix nigra - Betula nigra / Schoenoplectus pungens Riverscour Shrubland Reference: NatureServe Biotics 2019 Description: This association represents woodland or wooded herbaceous vegetation which occurs on wet beaches along the New River downstream from rapids (the "eddy zone"). These are frequently flooded positions within the active channel shelf which receive sediments of relatively fine-textured alluvium. Substrates often exhibit definite layering of sand and silt laid down by successive flood events. Ground cover by flotsam is often high. Substrates are usually saturated, with water inputs from flooding and from upslope seepage. The dominant tree is <i>Salix nigra</i>, often rooted on the uphill side of stands; individuals are flood-battered or toppled, and overhang or extend horizontally into the community. <i>Betula nigra</i> is common as a small tree or shrub. The shrub layer is also dominated by <i>Salix nigra</i>, sometimes with <i>Cephalanthus occidentalis</i>. Herb cover in plots ranges from 10 to 40%, with a large component of wetland indicator species. <i>Schoenoplectus pungens</i> is the dominant herb (5-40% cover and high constancy). Additional herbs with high constancy in plots include <i>Chasmanthium latifolium, Conoclinium coelestinum, Dichanthelium clandestinum, Eleocharis</i> spp., <i>Equisetum arvense, Eragrostis hypnoides, Justicia americana, Leersia virginica, Panicum rigidulum, Polygonum cespitosum var. longisetum</i>, and <i>Saururus cernuus</i>. Additional characteristic herbs include <i>Bidens frondosa, Cyperus odoratus, Eleocharis obtusa, Eragrostis pilosa, Hibiscus laevis, Lindernia dubia, Ludwigia palustris, Panicum dichotomiflorum</i>, and <i>Vernonia noveboracensis</i>.  Accession Code: urn:lsid:vegbank.org:commConcept:35103-{694D9998-9E4F-4CC2-AA5F-431586C5753A} Plot-observations of this Community Concept: 3
	Party Perspective according to: NatureServe (organization) Perspective from: 06-Apr-2012 to: ongoing
	status: accepted Community's Parent: Salix nigra Riverscour Scrub Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.793421 NatureServe Explorer   Code: CEGL006463   Translated: Black Willow - River Birch / Common Threesquare Riverscour Shrubland   Scientific: Salix nigra - Betula nigra / Schoenoplectus pungens Riverscour Shrubland (convergence) and Synonyms: (similar) Salix nigra - Betula nigra / Schoenoplectus pungens Wooded Herbaceous Vegetation