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A.929 | EcoArt 2002
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Name: A.929
Reference: EcoArt 2002
Description: This alliance includes montane, mainly deciduous shrublands dominated by ~Alnus viridis$. These shrubs are typically 1.5-2 m in height, rarely producing a closed canopy but typically occurring as uniformly spaced clumps about 1 m apart. ~Rubus allegheniensis$ is often a codominant with ~Alnus viridis ssp. crispa$. Other shrub species occur with low coverage and include ~Rhododendron catawbiense, Vaccinium corymbosum$, and ~Crataegus$ spp. Openings in the shrub canopy are dominated by herbs, mainly ~Carex pensylvanica$ and ~Carex debilis var. rudgei$ but also may include ~Danthonia compressa, Deschampsia flexuosa, Viola blanda, Rumex acetosella$ (exotic), and ~Athyrium filix-femina ssp. asplenioides$. In moister areas, bryophyte cover can be up to 75%, with ~Polytrichum commune$ typical. 
Accession Code: VB.CC.2554.A929
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Mar-2005
     
  • status: accepted
  • Community's Parent: III.B.2.N.b
  • This Community's Level: Alliance
  • This Community's Children: [none]
Names:   Scientific: ALNUS VIRIDIS SHRUBLAND ALLIANCE
  Code: A.929
  Common: Green Alder Shrubland Alliance
(convergence) and Synonyms:
(undetermined) Alnus viridis Shrubland Alliance