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Pinus jeffreyi / Ceanothus pumilus Wooded Grassland | NatureServe Biotics 2019
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Name: Pinus jeffreyi / Ceanothus pumilus Wooded Grassland
Reference: NatureServe Biotics 2019
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</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</i> and <i>Festuca idahoensis ssp. 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: urn:lsid:vegbank.org:commConcept:29725-{D649BBC5-3447-4165-A166-168841B7AFD7}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.688028 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000816
  Translated: Jeffrey Pine / Siskiyou-mat Wooded Grassland
  Scientific: Pinus jeffreyi / Ceanothus pumilus Wooded Grassland
(convergence) and Synonyms:
(similar) CEGL000816
(similar) Pinus jeffreyi / Ceanothus pumilus Wooded Herbaceous Vegetation
(similar) Pinus jeffreyi / Ceanothus pumilus Wooded Herbaceous Vegetation