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Pinus ponderosa - Populus tremuloides Forest Alliance | Western Ecology Working Group of...
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Name: Pinus ponderosa - Populus tremuloides Forest Alliance
Reference: Western Ecology Working Group of...
Description: This successionally intermediate alliance occurs in the Black Hills and western and northwestern United States. This description is strongly based on the portion of this alliance that occurs in the Black Hills. This is a mixed evergreen - deciduous forest composed of short to moderately tall trees. Sites can be on gentle to steep slopes and have any aspect. The canopy is variable, ranging from moderately open to closed. Younger stands typically have dense Populus tremuloides with Pinus ponderosa mixed in. As the stands age, Populus tremuloides is slowly reduced and Pinus ponderosa becomes dominant. Betula papyrifera and Picea glauca may be minor components of the canopy. The shrub layer contains species such as Arctostaphylos uva-ursi, Juniperus communis, Prunus americana, Prunus pensylvanica, Prunus virginiana, Rubus idaeus, Sorbus scopulina, and Vaccinium scoparium. Aralia nudicaulis, Castilleja sulphurea, Clematis columbiana, Geranium richardsonii, Oryzopsis asperifolia, Pteridium aquilinum, and Sedum stenopetalum are found in the herbaceous stratum. Stands of this alliance typically develop after a crown fire or other disturbance has removed the Pinus ponderosa overstory. 
Accession Code: VB.CC.18557.PINUSPONDEROSAP
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 01-May-2019
     
  • status: accepted
  • This Community's Level: Alliance
  • This Community's Children: [none]
Names:   Scientific: Pinus ponderosa - Populus tremuloides Forest Alliance
  Translated: Ponderosa Pine - Quaking Aspen Forest Alliance
  UID: HIGHER_CLASS_UNIT.2.126250 NatureServe ExplorerNatureServe Explorer logo
  Code: A.399