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Alnus maritima / Acorus calamus Shrubland | Eastern Ecology Working Group of...
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Name: Alnus maritima / Acorus calamus Shrubland
Reference: Eastern Ecology Working Group of...
Description: This tidal shrubland of the Delmarva peninsula on the central Atlantic coast occurs on freshwater tidal rivers and tributaries. Waters are generally oligohaline, but may receive pulses of higher salinities during spring high tides or low river discharge. The vegetation occurs on the ecotones between freshwater tidal marshes and tidal swamps. Hummocks and hollows are characteristic, and the substrate is poorly drained, slightly acidic tidal muck with silts, fine sands and partially decomposed peat admixed. The shrub canopy is well-developed, often dense, and dominated by Alnus maritima. Associated shrub species are few and at low cover, but may include Viburnum dentatum, Cornus amomum, or Sambucus canadensis. Vines may include Toxicodendron radicans and Mikania scandens. The herbaceous layer is dominated by Acorus calamus, with other associates including Impatiens capensis, Peltandra virginica, Polygonum sagittatum, Leersia oryzoides, Cinna arundinacea, Polygonum arifolium, Boehmeria cylindrica, Thalictrum pubescens (= Thalictrum polygamum), and Sambucus canadensis. 
Accession Code: VB.CC.27806.ALNUSMARITIMAAC
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 11-Dec-2003 to: 17-Nov-2014
      Names:   Translated: Seaside Alder / Sweetflag Shrubland
  UID: ELEMENT_GLOBAL.2.721917 NatureServe ExplorerNatureServe Explorer logo
  Scientific: Alnus maritima / Acorus calamus Shrubland
  Common: Seaside Alder Tidal Shrubland
  Code: CEGL006841
(convergence) and Synonyms:
(undetermined) Alnus maritima ssp. maritima / Acorus calamus Shrubland