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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. <i>Pseudotsuga menziesii</i> and <i>Pinus ponderosa</i> 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. <i>Physocarpus malvaceus</i> is dominant. <i>Holodiscus discolor</i> and <i>Acer glabrum</i> are often associated. Common forbs include <i>Maianthemum stellatum (= Smilacina stellata), Osmorhiza berteroi (= Osmorhiza chilensis)</i>, and <i>Adenocaulon bicolor</i>. <i>Calamagrostis rubescens</i> 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.34696.CEGL000277 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.687716 NatureServe Explorer   Translated: Grand Fir / Mallow Ninebark Forest   Scientific: Abies grandis / Physocarpus malvaceus Forest   Code: CEGL000277