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Fraxinus nigra - Acer rubrum - Larix laricina Swamp Forest Alliance | NatureServe Biotics 2019
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Name: Fraxinus nigra - Acer rubrum - Larix laricina Swamp Forest Alliance
Reference: NatureServe Biotics 2019
Description: This alliance, found in the upper midwestern and northeastern regions of the United States as well as parts of eastern temperate Canada, contains communities known as "calcareous seepage swamps," "hardwood swamps," and "red maple - black ash swamps" in which <i>Acer rubrum</i> and <i>Fraxinus nigra</i> are dominant or prominent canopy members. Total canopy cover ranges from nearly closed to open. Where the tree canopy is open, the understory vegetation is patchy, ranging from shrub-dominated patches to minerotrophic sedge meadows. Associated canopy trees are <i>Betula alleghaniensis, Ulmus rubra, Ulmus americana</i>, and <i>Pinus strobus</i>. Some examples are dominated by <i>Populus tremuloides</i> and <i>Populus balsamifera</i>. <i>Lindera benzoin</i> (east), <i>Toxicodendron vernix, Alnus incana</i> (north), <i>Salix</i> spp., and <i>Rhamnus alnifolia</i> often occur in the shrub layer. The herbaceous layer is often quite diverse. Stands are typically found in poorly drained depressions and in seepage zones. Soils are generally muck and, although <i>Sphagnum</i> spp. may occur, there is generally not substantial peat development. Stands often occur in areas where soil pH is generally higher than that of other alliances containing <i>Acer rubrum</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:38051-{ACA0C7EB-4D94-4F04-9DCA-2C3A97155CDF}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 18-Dec-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.870980 NatureServe ExplorerNatureServe Explorer logo
  Code: A0347
  Translated: Black Ash - Red Maple - Tamarack Swamp Forest Alliance
  Common: Black Ash - Red Maple Swamp Forest
  Scientific: Fraxinus nigra - Acer rubrum - Larix laricina Swamp Forest Alliance