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Abies lasiocarpa / Rhododendron albiflorum / Senecio triangularis Woodland | Western Ecology Working Group of...
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Name: Abies lasiocarpa / Rhododendron albiflorum / Senecio triangularis Woodland Reference: Western Ecology Working Group of... Description: This riparian association is endemic to the Okanogan Highlands of Washington from Pend Oreille River to the Sinlahekin drainage in the eastern Cascades. It is likely in adjacent British Columbia. This association appears in valley bottoms on sites that occasionally flood, are seasonally saturated, and where the water table lowers to two or more feet below the soil surface. It typically has an open canopy of Abies lasiocarpa and Picea engelmannii trees. Tsuga heterophylla may be a member of the canopy. Early seral tree species are rare. The subcanopy and tree seedling layer always contains Abies lasiocarpa and often contains Picea engelmannii. The undergrowth layer is dominated by a 1-m or taller deciduous shrub layer composed of a mixture of Rhododendron albiflorum and/or Menziesia ferruginea often with Vaccinium membranaceum. The trailing woody vine Rubus pedatus is frequently a part of the ground cover. Senecio triangularis is always present although usually not abundant. Other frequently occurring forbs are Mitella pentandra, Tiarella trifoliata var. unifoliata, Trautvetteria caroliniensis, and Athyrium filix-femina. Ground cover is sometimes dominated by the fern Gymnocarpium dryopteris. Moss cover commonly contributes to ground cover.  Accession Code: VB.CC.24954.ABIESLASIOCARPA 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: Abies lasiocarpa Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Subalpine Fir / Cascade Azalea / Arrowleaf Ragwort Woodland   UID: ELEMENT_GLOBAL.2.688378 NatureServe Explorer   Code: CEGL002613   Scientific: Abies lasiocarpa / Rhododendron albiflorum / Senecio triangularis Woodland (convergence) and Synonyms: (undetermined) Abies lasiocarpa / Rhododendron albiflorum / Senecio triangularis Woodland