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Abies grandis / Physocarpus malvaceus Forest | Western Ecology Working Group of...
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Name: Abies grandis / Physocarpus malvaceus Forest
Reference: Western Ecology Working Group of...
Description: This forest association occurs within the maritime-influenced climatic region of the northern Rocky Mountains from eastern Washington and Oregon to Montana. Ecoregional sections include the Okanogan Highlands, Bitterroot Mountains, Idaho Batholith, and Blue Mountains. This association occurs at 730-1310 m (2400-4300 feet) elevation on southeast- to west-facing slopes. Soils are loams and silt loams derived predominantly from granite and mica schist parent materials. Pseudotsuga menziesii and Pinus ponderosa are often dominant in early- and mid-seral stands. These fire-resistant species persist in the forest overstory and provide important large diameter stem structure in mid- and late-seral stands. Stands are characterized by the presence of a well-developed shrub layer. Physocarpus malvaceus is dominant. Holodiscus discolor and Acer glabrum are often associated. Common forbs include Maianthemum stellatum (= Smilacina stellata), Osmorhiza berteroi (= Osmorhiza chilensis), and Adenocaulon bicolor. Calamagrostis rubescens is often well-represented and may be abundant in early-seral stands. Historic disturbance regimes in these stands were primarily frequent low- to moderate-intensity fire. 
Accession Code: VB.CC.24364.ABIESGRANDISPHY
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Nov-2014
      Names:   Translated: Grand Fir / Mallow-leaf Ninebark Forest
  UID: ELEMENT_GLOBAL.2.687716 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000277
  Scientific: Abies grandis / Physocarpus malvaceus Forest
(convergence) and Synonyms:
(undetermined) Abies grandis / Physocarpus malvaceus Forest