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Tsuga canadensis - Quercus rubra - Platanus occidentalis / Rhododendron maximum / Anemone quinquefolia Forest | NatureServe Biotics 2019
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Name: Tsuga canadensis - Quercus rubra - Platanus occidentalis / Rhododendron maximum / Anemone quinquefolia Forest
Reference: NatureServe Biotics 2019
Description: This association is a mixed evergreen-deciduous floodplain forest, usually with a somewhat open canopy, with <i>Tsuga canadensis</i> prominent in the canopy and/or subcanopy. It occurs in small patches on higher floodplains of medium-sized streams which are infrequently flooded. Along smaller streams, stands may occur in positions subject to more frequent, low-energy floods. Mature stands along rivers may represent late-successional vegetation on stabilized terraces, but succession may be reversed by renewed scouring and bank erosion as rivers migrate across their floodplains. Microtopography is characterized by fluvial features including levees and swales. Codominant trees include <i>Tsuga canadensis, Acer rubrum var. rubrum, Liriodendron tulipifera</i>, and <i>Quercus rubra</i>. Mature stands have <i>Tsuga canadensis</i> codominant in the canopy layer, but younger stands may have dominance by this shade-tolerant species in the lower strata. Additional trees include <i>Betula lenta, Fagus grandifolia, Fraxinus pennsylvanica, Robinia pseudoacacia</i>, and <i>Sassafras albidum</i>. Tree species that characterize this association as a floodplain forest, including <i>Platanus occidentalis</i> and <i>Betula nigra</i>, usually occur at low cover. Shrub layers may have moderate to dense cover and are dominated by <i>Rhododendron maximum</i>. Herb layers are sparse and species-poor but usually include a few species more typical of floodplains than of upland hemlock forests, such as <i>Amphicarpaea bracteata, Arisaema triphyllum, Cryptotaenia canadensis</i>, and <i>Rudbeckia laciniata</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:35238-{4208C1FA-8CEF-4922-AD51-5F7399DC16A3}
Plot-observations of this Community Concept: 21
      Party Perspective according to: NatureServe (organization)
Perspective from: 20-Dec-2018 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.807753 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL006620
  Translated: Eastern Hemlock - Northern Red Oak - American Sycamore / Great Laurel / Wood Anemone Forest
  Common: Appalachian-Alleghenian Hemlock Floodplain Forest
  Scientific: Tsuga canadensis - Quercus rubra - Platanus occidentalis / Rhododendron maximum / Anemone quinquefolia Forest
(convergence) and Synonyms:
(similar) Tsuga canadensis - Quercus rubra - (Platanus occidentalis, Betula nigra) / Rhododendron maximum / Anemone quinquefolia Forest