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A.3018 | EcoArt 2002
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Name: A.3018
Reference: EcoArt 2002
Description: This alliance includes associations of freshwater tidal marsh dominated by ~Acorus calamus$ that occur in fresh to oligohaline reaches of tidal rivers along the Atlantic coast. This association is best developed in higher, irregularly flooded elevations within freshwater tidal marshes but can occur in areas with a wide tidal range. Substrate is generally fine-particled, but varies from silts and silty mucks to peats and sands. The setting within the tidal marsh tends to be poorly drained; tidal flooding is ponded and of longer duration than other areas. ~Acorus calamus$ is dominant, generally comprising at least 50% cover, over extensive patches within the interior of high marshes. Associated species are variable and can include ~Schoenoplectus fluviatilis, Peltandra virginica, Sagittaria latifolia, Polygonum punctatum$, and ~Impatiens capensis$. Species that can occasionally occur include ~Pontederia cordata, Zizania aquatica, Leersia oryzoides, Typha latifolia, Polygonum arifolium, Bidens coronata, Hibiscus moscheutos$, and other ~Schoenoplectus$ spp. ~Murdannia keisak$ has been noted in the southern portion of the range. ~Acorus calamus$ is conspicuously dominant in spring and early summer. Later in the season, culms tend to lodge and form mats and be overtopped by other species. 
Accession Code: VB.CC.1924.A3018
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 10-May-2002 to: 17-Mar-2005
     
  • status: accepted
  • Community's Parent: V.A.5.N.n
  • This Community's Level: Alliance
  • This Community's Children: [none]
Names:   Scientific: ACORUS CALAMUS TIDAL HERBACEOUS ALLIANCE
  Code: A.3018
  Common: Sweetflag Tidal Herbaceous Alliance
(convergence) and Synonyms:
(undetermined) Acorus calamus Tidal Herbaceous Alliance