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Pseudotsuga menziesii / Angelica spp. Forest | Western Ecology Working Group of...
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Name: Pseudotsuga menziesii / Angelica spp. Forest Reference: Western Ecology Working Group of... Description: This seral association has been identified only from Glacier-Waterton International Peace Park of the northern Rocky Mountains but has a high probability of occurring throughout this region. It has been described from montane to lower subalpine and even extending to mid subalpine habitats, from 1070 to 1585 m (3500-5200 feet). It encompasses relatively mesic to subhygric sites occurring on moderate to steep slopes with north- to east-facing aspects, as well as on toeslopes and footslopes where subsurface input may be a mitigating factor. Soils are mostly well-drained, fine-textured and derived from glacial drift or alluvium; because the type has been described from such a small geographic area, the only substrates sampled have been sedimentary siltstone and metamorphic (argillite). The canopy and subcanopy are Pseudotsuga menziesii-dominated with a combined cover in excess of 60%. Abies lasiocarpa and Picea engelmannii are represented in the seedling/sapling component, and Pinus contorta may have relatively high cover as a seral component. The shrub component is various but mostly dominated by a short-shrub layer in which Rubus parviflorus, Spiraea betulifolia, and Symphoricarpos albus have high constancy and share dominance. Any of the following forbs having >3% canopy cover, singly or in any combination, is diagnostic for the type: Streptopus amplexifolius, Galium triflorum, Actaea rubra, Senecio triangularis, Angelica arguta, Angelica dawsonii, and/or Heracleum maximum.  Accession Code: VB.CC.28314.PSEUDOTSUGAMENZ Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 11-Feb-2004 to: 17-Nov-2014
	status: accepted Community's Parent: Pseudotsuga menziesii Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Douglas-fir / Angelica species Forest   Scientific: Pseudotsuga menziesii / Angelica spp. Forest   Code: CEGL005853   UID: ELEMENT_GLOBAL.2.730900 NatureServe Explorer (convergence) and Synonyms: (undetermined) Pseudotsuga menziesii / Heracleum maximum Forest