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Pinus ponderosa / Symphoricarpos albus Temporarily Flooded Woodland | Western Ecology Working Group of...
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Name: Pinus ponderosa / Symphoricarpos albus Temporarily Flooded Woodland Reference: Western Ecology Working Group of... Description: This riparian woodland association is found along creeks around the periphery of the Columbia Basin in Washington, Oregon and Idaho, primarily along the northern and southeastern edges. These are generally floodplain woodlands at low to mid elevations, in low-gradient valleys, or on terraces in narrower valleys, ranging from 15 feet to over 1000 feet wide. Streams are generally small, ranging from 5 to 30 feet wide. Stands are dominated by Pinus ponderosa in the overstory, generally the only tree, averaging 36% cover. Rarely Pseudotsuga menziesii, Populus tremuloides, Abies grandis, or Juniperus occidentalis are present. Symphoricarpos albus dominates the understory, with 34% cover. In some stands, Crataegus douglasii may also be an important understory tall shrub, and Prunus virginiana or Rosa species are also not uncommon. Forbs and grasses dominate the forb layer. Most stands have been impacted by cattle, and as a result, Poa pratensis is dominant, along with other non-native grasses such as Dactylis glomerata and Bromus orcuttianus. However, native grass species including Elymus glaucus, Elymus trachycaulus, Calamagrostis rubescens, or Bromus carinatus are often present. Important forbs include Maianthemum stellatum, Fragaria virginiana, Galium boreale, and Achillea millefolium.  Accession Code: VB.CC.22878.PINUSPONDEROSAS 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: Pinus ponderosa Temporarily Flooded Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Code: CEGL000866   Translated: Ponderosa Pine / Common Snowberry Temporarily Flooded Woodland   UID: ELEMENT_GLOBAL.2.686289 NatureServe Explorer   Scientific: Pinus ponderosa / Symphoricarpos albus Temporarily Flooded Woodland (convergence) and Synonyms: (undetermined) Pinus ponderosa / Symphoricarpos albus Temporarily Flooded Woodland