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Acer rubrum - Betula lenta - Magnolia fraseri / (Rhododendron maximum, Kalmia latifolia) Ruderal Forest | NatureServe Biotics 2019
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Name: Acer rubrum - Betula lenta - Magnolia fraseri / (Rhododendron maximum, Kalmia latifolia) Ruderal Forest
Reference: NatureServe Biotics 2019
Description: This association includes submesic, potentially fire-exposed or heavily logged, mid and upper slopes in the Southern Appalachians north to the Cumberlands. Canopy dominance may be shared by a number of species, including <i>Acer rubrum var. rubrum, Carya glabra, Magnolia fraseri, Halesia tetraptera var. monticola, Nyssa sylvatica, Betula alleghaniensis var. alleghaniensis, Betula lenta, Oxydendrum arboreum</i>, and <i>Tsuga canadensis</i>, but the community's most distinctive character is the relative lack of dominance by any one species and the lack of oak species in the canopy. This community may occasionally be dominated by <i>Betula lenta</i> and/or <i>Betula alleghaniensis</i> with an extremely dense understory of <i>Rhododendron maximum</i>; it may intergrade with acidic cove forests farther downslope. The understory shrub layer is composed of a combination of <i>Kalmia latifolia</i> and <i>Rhododendron maximum</i>, though the cover is not consistently 100%. The proportion of <i>Kalmia</i> to <i>Rhododendron</i> varies widely through this association, with more xeric sites having a higher concentration of <i>Kalmia latifolia</i> than <i>Rhododendron maximum</i>. In addition, drier versions of this association tend to contain abundant <i>Sassafras albidum</i> in the understory, whereas the more mesic versions have lower densities of <i>Sassafras albidum</i>. The herb layer is generally sparse but may sometimes be dominated by a dense cover of ferns such as <i>Dennstaedtia punctilobula</i> or <i>Dryopteris marginalis</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:36611-{70ED2394-8E48-4F80-8AF4-791EEDB4B240}
Plot-observations of this Community Concept: 15
      Party Perspective according to: NatureServe (organization)
Perspective from: 02-Oct-2007 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.687321 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL008558
  Translated: Red Maple - Sweet Birch - Mountain Magnolia / (Great Laurel, Mountain Laurel) Ruderal Forest
  Common: Southern Appalachian Ruderal Acidic Mixed Hardwood Forest
  Scientific: Acer rubrum - Betula lenta - Magnolia fraseri / (Rhododendron maximum, Kalmia latifolia) Ruderal Forest
(convergence) and Synonyms:
(similar) CEGL008558
(similar) Acer rubrum var. rubrum - Betula (alleghaniensis, lenta) - Magnolia fraseri / (Rhododendron maximum, Kalmia latifolia) Forest