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Notholithocarpus densiflorus - Arbutus menziesii Forest Alliance | NatureServe Biotics 2019
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Name: Notholithocarpus densiflorus - Arbutus menziesii Forest Alliance Reference: NatureServe Biotics 2019 Description: This alliance consists of forests dominated by <i>Notholithocarpus densiflorus</i> and/or <i>Arbutus menziesii</i>. Other tree species include <i>Acer macrophyllum, Alnus rubra, Calocedrus decurrens, Chamaecyparis lawsoniana, Chrysolepis chrysophylla, Cornus nuttallii, Pinus coulteri, Pinus lambertiana, Pseudotsuga menziesii, Quercus agrifolia, Quercus chrysolepis, Quercus kelloggii, Sequoia sempervirens, Torreya californica, Tsuga heterophylla</i>, and <i>Umbellularia californica</i>. Conifers are generally not abundant. Trees are &lt;45 m in height and the canopy is continuous. The shrub layer is sparse to intermittent and the herbaceous layer is sparse. This alliance is found in the southern Cascades and Klamath Mountains of southern Oregon and into northern California, extending south into the northern California Coast Ranges, and northern and central coast of California. A few disjunct stands occur in the northern sections of the Sierra Nevada of California. Stands of <i>Arbutus menziesii</i> occur as far south as the southern California mountains and valleys in the Transverse and Peninsular ranges. Elevation ranges from 100-1500 m. Habitats include stream terraces and upland slopes with deep and well-drained productive soils or steep slopes with shallow, rocky, infertile soils.  Accession Code: urn:lsid:vegbank.org:commConcept:38644-{B662C492-6CCC-4124-B9CC-B63DA4CE4B40} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 18-Dec-2014 to: ongoing
	status: accepted Community's Parent: Pseudotsuga menziesii - Notholithocarpus densiflorus - Arbutus menziesii Forest Group This Community's Level: Alliance This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.899481 NatureServe Explorer   Code: A3357   Translated: Tanoak - Pacific Madrone Forest Alliance   Common: Tanoak - Madrone Forest   Scientific: Notholithocarpus densiflorus - Arbutus menziesii Forest Alliance