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Pinus monophylla - Juniperus osteosperma / Leymus cinereus Wooded Grassland | NatureServe Biotics 2019
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Name: Pinus monophylla - Juniperus osteosperma / Leymus cinereus Wooded Grassland
Reference: NatureServe Biotics 2019
Description: This association has been described from a small region in south-central Idaho at the southern end of the Albion Mountains, Cassia County, Idaho. Two evergreen needle-leaved trees dominate the canopy, <i>Pinus monophylla</i> and <i>Juniperus osteosperma</i>, with total cover of 30-70%. <i>Pinus monophylla</i> is always present, while the <i>Juniperus</i> is present with varying frequency. There is no shrub layer. The herbaceous understory is dominated by the tall perennial bunchgrass <i>Leymus cinereus</i>. This association occurs in a mountainous region that is part of the northern extension of the Basin and Range Province into Idaho. This region is characterized by a series of parallel mountain ranges oriented in a north-south direction. The intervening valleys are wide and floored with sediments from ancient Lake Bonneville. The southern Albion Mountains, where this association is found, are a complex of four gneiss domes, aligned along a north-south axis. Landforms associated with these domes include steep-sided ridges, and erosional features such as tors and linear rock ridges enclosing narrow canyons. Rock types include granodiorite, gneiss with bodies of schist, some quartzite, and lenses, pods and sheets of amphibolite. Elevations range from approximately 1830 to 2255 m (6000-7400 feet). Soils are sandy to gravelly and well-drained. <i>Leymus cinereus</i> is known to typically occur on gravelly soils, but especially on those derived from alluvium along washes and gullies. From this it can be inferred that this association may occupy topographic depressions and narrow canyons where alluvial deposition has occurred. It may also occupy small alluvial fans at the base of erosional features such as rock ridges and tors. 
Accession Code: urn:lsid:vegbank.org:commConcept:29744-{2A222B88-3D02-4045-A737-8C71105EC270}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 08-Nov-1993 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.687673 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000835
  Translated: Singleleaf Pinyon - Utah Juniper / Basin Wildrye Wooded Grassland
  Scientific: Pinus monophylla - Juniperus osteosperma / Leymus cinereus Wooded Grassland
(convergence) and Synonyms:
(similar) CEGL000835
(similar) Pinus monophylla - Juniperus osteosperma / Leymus cinereus Wooded Herbaceous Vegetation
(similar) Pinus monophylla - Juniperus osteosperma / Leymus cinereus Wooded Herbaceous Vegetation