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Pinus contorta / Heracleum maximum Woodland | Western Ecology Working Group of...
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Name: Pinus contorta / Heracleum maximum Woodland
Reference: Western Ecology Working Group of...
Description: This lodgepole pine woodland is known from Glacier National Park, Montana, and Waterton Lakes National Park, Alberta. Occurrences are found predominately on middle portions of gentle to steep slopes of various aspects. These mesic sites are usually situated on glacial or thin colluvial deposits between the elevations of 970 and 1720 m (3180-5639 feet). Soils tend to be well-drained Orthic Regosols. The ground surface is mostly covered with litter, duff, and wood. This woodland association is dominated by a pole to mature open tree canopy of <i>Pinus contorta</i> (35% average cover); its average height varies between 10 and 15 m. Tree seedlings of <i>Picea engelmannii</i> and <i>Abies lasiocarpa</i> have low constancy. <i>Spiraea betulifolia, Rubus parviflorus</i>, and <i>Symphoricarpos albus</i> are typically present within the short-shrub layer. The lush herbaceous layer is dominated by a mix of mesic-site indicators of varying constancy, including <i>Angelica</i> spp. (<i>Angelica dawsonii</i> and <i>Angelica arguta</i>), which are nearly always present, and <i>Galium triflorum, Heracleum maximum, Osmorhiza occidentalis, Streptopus amplexifolius</i>, and <i>Actaea rubra</i>. Numerous graminoids and other forbs contribute cover to this layer, most with inconspicuous cover. Common species include <i>Chamerion angustifolium, Arnica cordifolia, Thalictrum occidentale, Calamagrostis rubescens</i>, and <i>Galium boreale</i>. 
Accession Code: VB.CC.31855.CEGL005915
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Nov-2014 to: 01-May-2019
     
  • status: accepted
  • This Community's Level: association
  • This Community's Children: [none]
Names:   UID: ELEMENT_GLOBAL.2.731357 NatureServe ExplorerNatureServe Explorer logo
  Translated: Lodgepole Pine / Common Cow-parsnip Woodland
  Code: CEGL005915
  Scientific: Pinus contorta / Heracleum maximum Woodland