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Fraxinus pennsylvanica - Ulmus americana - (Quercus texana) / Bidens aristosa - Leersia virginica Floodplain Forest | NatureServe Biotics 2019
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Name: Fraxinus pennsylvanica - Ulmus americana - (Quercus texana) / Bidens aristosa - Leersia virginica Floodplain Forest
Reference: NatureServe Biotics 2019
Description: This forest community is located on flats adjacent to floodplain drainages and abandoned channels on the Upper West Gulf Coastal Plain of southern Arkansas. The canopy is moderately tall (to 21+ m [70+ feet]), closed, and layered with emergent <i>Quercus texana</i> in some instances, lacking in others. This forest community is relatively dense with smaller trees and more stems than surrounding types. Dominant tree species include <i>Fraxinus pennsylvanica, Ulmus americana, Quercus texana</i>, and <i>Gleditsia triacanthos</i>. <i>Celtis laevigata</i> and <i>Acer negundo</i> occur commonly in the understory with saplings of the canopy species. <i>Cephalanthus occidentalis</i> is an occasional shrub. Common herbs include <i>Bidens aristosa, Bignonia capreolata, Boehmeria cylindrica, Carex intumescens, Leersia virginica</i>, and <i>Lycopus virginicus</i>. The common woody vines include <i>Berchemia scandens</i> and <i>Toxicodendron radicans</i>. The herbaceous layer is sparse. Little litter is present, with bare ground exposed throughout. This community appears transitional between ~<i>Quercus phellos / Chasmanthium laxum - Carex (flaccosperma, intumescens) - Hymenocallis liriosme</i> Wet Flatwoods Forest (CEGL007371)$$ and ~<i>Quercus texana - (Carya aquatica) / Cornus foemina / Symphyotrichum lanceolatum - Leersia virginica</i> Floodplain Forest (CEGL007988)$$. This community is inundated deeper than the <i>Quercus phellos</i> flats but drains more rapidly but not as rapidly as the <i>Quercus texana</i> floodplain forest. This community is located in beaver impacted areas. Both the change in hydrology and active removal of some species by beaver are evident. This community also occurs in anthropogenically impacted areas such as where roads have altered the local hydrology and in moist soil units developed by local hunters. The type location is in Dallas County, Arkansas. Examples are known from Big Cypress Unique Area and Pine Bluff Arsenal. This community is also known from Jefferson County, Arkansas, and is likely extant throughout the Upper West Gulf Coastal Plain. 
Accession Code: urn:lsid:vegbank.org:commConcept:36155-{BE114033-FB3F-4319-B909-9354F7F18F87}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 03-Feb-2009 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.688592 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL007987
  Translated: Green Ash - American Elm - (Nuttall Oak) / Bearded Beggarticks - Whitegrass Floodplain Forest
  Common: Upper West Gulf Coastal Plain Floodplain Forest
  Scientific: Fraxinus pennsylvanica - Ulmus americana - (Quercus texana) / Bidens aristosa - Leersia virginica Floodplain Forest
(convergence) and Synonyms:
(similar) Fraxinus pennsylvanica - Ulmus americana - (Quercus texana) - Gleditsia triacanthos / Toxicodendron radicans / Bidens aristosa - Leersia virginica Seasonally Flooded Floodplain Forest