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Quercus garryana / Camassia quamash Forest | Western Ecology Working Group of...
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Name: Quercus garryana / Camassia quamash Forest Reference: Western Ecology Working Group of... Description: This woodland association occurs in western Washington around the Puget Sound area, and the description provided here is compiled from known occurrences in this area. It is found from 45 to 427 m (150-1400 feet) elevation on slopes with sunny aspects (southeast to west). Slope steepness is variable (0-82% slope, mean 21%), and sites include shallow soils over rock outcrops, bedrock, or on deep-soil, coarse-textured, gravelly outwash plains. These are dry to very dry sites that appear to be relatively nitrogen-rich. Topopositions include mid, upper and ridgetop slopes. This association includes woodlands or forests dominated by Quercus garryana. The understory is dominated by herbaceous vegetation; most commonly Carex inops and the non-native Poa pratensis are codominant. Elymus glaucus is usually present and often codominant as well. Festuca roemeri, Festuca rubra, Dactylis glomerata, and Agrostis capillaris can also be prominent to codominant. A relatively low-growing shrub layer varies from absent to prominent. Symphoricarpos albus var. laevigatus, Mahonia aquifolium, Cytisus scoparius, and Amelanchier alnifolia are usually present. A variety of native and non-native forbs can be present. The most abundant native forb in terms of cover is Camassia quamash, though it is not consistently present. Achillea millefolium var. occidentalis, Ranunculus occidentalis var. occidentalis, and Galium aparine are usually present. The diagnostic characteristics of this woodland (tree cover >25%) include dominance by Quercus garryana with an herbaceous-dominated understory and significant native understory component. Carex inops usually codominates, and Camassia quamash or Ranunculus occidentalis var. occidentalis are usually present.  Accession Code: VB.CC.27102.QUERCUSGARRYANA Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Quercus garryana Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.689662 NatureServe Explorer   Scientific: Quercus garryana / Carex inops - Camassia quamash Woodland   Code: CEGL000548   Translated: Oregon White Oak / Long-stolon Sedge - Small Camas Woodland (convergence) and Synonyms: (undetermined) Quercus garryana / Carex inops - Camassia quamash Woodland