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Salix nigra / Polygonum punctatum - Boehmeria cylindrica Forest | NatureServe Biotics 2019
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Name: Salix nigra / Polygonum punctatum - Boehmeria cylindrica Forest Reference: NatureServe Biotics 2019 Description: This association comprises a late-successional stage of interdunal swale wetland vegetation occurring on larger barrier island systems along the Atlantic Coast of Virginia and possibly North Carolina. Interdunal swale wetlands form when the freshwater aquifer intersects the dune surface and substrate is saturated for durations of time that are long enough to support peat development and accumulation. Substrate is peat over sand. This later successional phase results when the length of soil saturation is shorter, favoring the invasion of woody species. This phase is dominated by <i>Salix nigra</i>, growing in association with <i>Acer rubrum</i> in a short-statured canopy. The shrub layer is characterized by <i>Morella cerifera</i>, and can be well-developed or sparse depending on the degree of peat development and variability in microtopography. The herb layer is characterized by <i>Hydrocotyle umbellata, Polygonum punctatum</i>, and <i>Bidens laevis</i>. Other herbaceous associates include <i>Thelypteris palustris var. pubescens, Boehmeria cylindrica, Triadenum virginicum, Peltandra virginica, Leersia oryzoides</i>, and others. Changes in the duration of soil saturation can invoke successional shifts in vegetation; decreased duration of soil saturation tends to maintain woody vegetation, whereas increased duration reverses succession and favors emergent herbaceous vegetation.  Accession Code: urn:lsid:vegbank.org:commConcept:34994-{201D2B75-B643-4EE1-9B4B-0B7F5AA3834D} Plot-observations of this Community Concept: 8
	Party Perspective according to: NatureServe (organization) Perspective from: 09-May-2002 to: ongoing
	status: accepted Community's Parent: Salix caroliniana - Salix nigra Coastal Plain Swamp Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.685852 NatureServe Explorer   Code: CEGL006348   Translated: Black Willow / Dotted Smartweed - Small-spike False Nettle Forest   Common: Late-Successional Willow Interdunal Swale   Scientific: Salix nigra / Polygonum punctatum - Boehmeria cylindrica Forest (convergence) and Synonyms: (similar) CEGL006348 (similar) Salix nigra Seasonally Flooded Forest (similar) Salix nigra Seasonally Flooded Woodland