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Taxodium distichum - Nyssa aquatica - Nyssa biflora / Fraxinus caroliniana / Itea virginica Floodplain Forest | NatureServe Biotics 2019
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Name: Taxodium distichum - Nyssa aquatica - Nyssa biflora / Fraxinus caroliniana / Itea virginica Floodplain Forest
Reference: NatureServe Biotics 2019
Description: This is one of several small blackwater stream swamp forests of the Atlantic Coastal Plain, characteristically associated with ambiguously blackwater rivers. This type covers very wet forests that are flooded by river overbank flow for long periods and are dominated by combinations of <i>Nyssa aquatica, Nyssa biflora, Taxodium distichum</i>, and <i>Taxodium ascendens</i>. This type covers examples along Coastal Plain streams in regions of fine-textured soils and examples in somewhat isolated basins of brownwater floodplains, where <i>Nyssa aquatica</i> and <i>Nyssa biflora</i> are both important components of the canopy. This forest is common along small rivers that arise in the Atlantic Coastal Plain (blackwater rivers) from Virginia to northern Florida. Dominant species, which account for at least 75% of the canopy cover, are <i>Taxodium distichum, Nyssa aquatica</i>, and <i>Nyssa biflora</i>. Other bottomland species often found in this community include <i>Acer rubrum, Liquidambar styraciflua</i>, and <i>Quercus laurifolia</i>. The shrub layer generally is open, and <i>Itea virginica</i> is common. The herbaceous layer is very sparse and limited to higher areas and tree bases. The dominant species in this stratum is <i>Phanopyrum gymnocarpon</i>; other typical species include <i>Boehmeria cylindrica, Saururus cernuus, Justicia ovata, Carex lupulina, Hydrocotyle verticillata, Mikania scandens, Spiranthes cernua, Asclepias perennis, Commelina virginica, Leersia lenticularis</i>, and others. Some stands may have a distinctive understory of <i>Arundinaria gigantea</i>. Soils are semipermanently flooded, and probability of annual flooding is 100%. More work needs to be done to understand the geographic variation in the type. 
Accession Code: urn:lsid:vegbank.org:commConcept:35664-{E7606F00-B9A3-4425-BAEE-997FC2CA9CEF}
Plot-observations of this Community Concept: 95
      Party Perspective according to: NatureServe (organization)
Perspective from: 15-Mar-1994 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.689198 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL007432
  Translated: Bald-cypress - Water Tupelo - Swamp Tupelo / Carolina Ash / Virginia Sweetspire Floodplain Forest
  Common: Atlantic Coastal Plain Bald-cypress - Water Tupelo Blackwater Small Stream Swamp Forest
  Scientific: Taxodium distichum - Nyssa aquatica - Nyssa biflora / Fraxinus caroliniana / Itea virginica Floodplain Forest
(convergence) and Synonyms:
(similar) CEGL007432
(similar) Taxodium distichum - Nyssa aquatica - Nyssa biflora / Fraxinus caroliniana / Itea virginica Forest
(similar) Taxodium distichum - Nyssa aquatica - Nyssa biflora / Fraxinus caroliniana / Itea virginica Forest