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Pinus jeffreyi / Ceanothus pumilus Wooded Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Pinus jeffreyi / Ceanothus pumilus Wooded Herbaceous Vegetation
Reference: Western Ecology Working Group of...
Description: This community is found in the Klamath-Siskiyou region of Oregon and California. Sites include a variety of slopes (0-45%) and all aspects except east. Elevations range from 360-1180 m (1180-3860 feet) in Oregon and 1390-1630 m (4560-5340 feet) in California. Exposed rocks and clay soils are typical with serpentine and peridotite parent material. An open overstory with a good variety of tree species, sizes, and heights over a sparsely vegetated understory is typical. <i>Pinus jeffreyi</i> dominates the open tree canopy with average cover of 10-25%. <i>Calocedrus decurrens</i> is also present and supports 5-10% cover. The dwarf-shrub layer is codominated by <i>Ceanothus pumilus (= Ceanothus prostratus ssp. pumilus)</i> with 8-29% cover (although due to its stature of less than 10 cm in height, it appears more like an herbaceous layer). <i>Arctostaphylos canescens</i> and <i>Arctostaphylos viscida</i> are also very abundant. The herbaceous layer is dominated by the perennial grasses, <i>Achnatherum lemmonii (= Stipa lemmonii)</i> and <i>Festuca roemeri</i> at many sites with 50% and 32% cover, respectively. Total forb cover averages 13% and is dominated by <i>Horkelia sericata</i> (11% cover). 
Accession Code: VB.CC.33057.CEGL000816
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.2.688028 NatureServe ExplorerNatureServe Explorer logo
  Translated: Jeffrey Pine / Siskiyou-mat Wooded Herbaceous Vegetation
  Scientific: Pinus jeffreyi / Ceanothus pumilus Wooded Herbaceous Vegetation
  Code: CEGL000816