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Name
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Reference
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Plots↓
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Description |
Comm #11461
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CEGL000745
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accession code: VB.CC.3349.CEGL000745
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11462
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Populus fremontii - Platanus wrightii Forest
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accession code: VB.CC.31179.CEGL000665
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Western Ecology Working Group of... |
0
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This is a lowland forested riparian association known from the Gila River watershed in New Mexico and has been reported from southwestern New Mexico and southern Arizona. It occurs in lowland river valleys at elevations ranging between 1180-1570 m (3875-5150 feet). The stream gradients are typically low, and channel substrates are gravelly or finer, but with pockets of cobbles. Typically, this type occurs as mature stands on older river terraces that are elevated several meters above the present riverbed and affected by only the largest flood events (25- to 100-year intervals). Occasionally the type occurs on lower bars that are more frequently flooded. Soils range from weakly developed Entisols on lower bars to more developed Inceptisols (deep, well-drained, stratified soils comprised of sandy, loamy surface soils underlain by finer silt layers) on the upper terraces. Cobbles and rock may be present on the surface, or buried at lower depths. The soils tend to be dry on the surface most of the year, but may be periodically moist at depths within the rooting zone of the dominant trees and shrubs, particularly during spring runoff periods. <i>Populus fremontii</i> and <i>Platanus wrightii</i> form open to moderately closed, sprawling canopies (50-75% cover). In older stands, multi-boled trees can attain large sizes with diameters exceeding 1-3 m (3-10 feet) at breast height (dbh), and heights of up to 25 m (82 feet). <i>Populus fremontii</i> and <i>Platanus wrightii</i> regeneration is rare, but other trees, such as <i>Juglans major, Fraxinus velutina, Acer negundo</i> and occasionally the introduced <i>Gleditsia triacanthos</i>, may be present as saplings or subcanopy associates. On drier sites and in older stands, <i>Juniperus deppeana</i> may also be common. Undergrowth is diverse and variable with 79 species reported for the type, but only 23 more than once. With the exception of <i>Baccharis salicifolia, Pluchea sericea</i>, and <i>Salix exigua</i>, shrubs are generally poorly represented. The herbaceous undergrowth is characterized by scattered grasses and forbs and includes the wetland indicators <i>Symphyotrichum praealtum (= Aster praealtus)</i> and <i>Lobelia cardinalis</i>, along with upland grama grasses (<i>Bouteloua curtipendula, Bouteloua eriopoda</i>, and <i>Bouteloua gracilis</i>). |
Comm #11463
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Larrea tridentata / Sparse Understory Shrubland
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accession code: VB.CC.20420.LARREATRIDENTAT
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Western Ecology Working Group of... |
0
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Comm #11464
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Krascheninnikovia lanata / Pascopyrum smithii - Bouteloua gracilis Dwarf-shrub Herbaceous Vegetation
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accession code: VB.CC.33520.CEGL001324
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Western Ecology Working Group of... |
0
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Comm #11465
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Krascheninnikovia lanata / Phlox spp. Dwarf-shrubland
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accession code: VB.CC.33519.CEGL001325
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Western Ecology Working Group of... |
0
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Comm #11466
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Salix arctophila - Salix herbacea Dwarf-shrubland Alliance
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accession code: VB.CC.23943.SALIXARCTOPHILA
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Midwestern Ecology Working Group... |
0
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Comm #11467
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Coleogyne ramosissima - Eriogonum fasciculatum Shrubland
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accession code: VB.CC.33879.CEGL001333
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Western Ecology Working Group of... |
0
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Comm #11468
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Quercus emoryi / Muhlenbergia emersleyi Woodland
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accession code: VB.CC.32703.CEGL000685
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Western Ecology Working Group of... |
0
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This community typically occurs on side slopes in bouldery areas or with hoodoo outcrops. The rocks provide additional moisture to the community, as well as providing fire protection. The canopy is dominated by <i>Quercus emoryi</i>, and other typical canopy species include <i>Prunus serotina var. virens</i>. Shrubs include <i>Prunus serotina var. virens, Celtis laevigata var. reticulata, Quercus grisea, Baccharis neglecta, Croton</i> sp., and <i>Brickellia</i> spp. <i>Muhlenbergia emersleyi</i> dominates the herb layer, with <i>Schizachyrium scoparium var. scoparium (= Schizachyrium scoparium ssp. neomexicanum)</i> also present. |
Comm #11469
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Juniperus scopulorum - Cercocarpus ledifolius Woodland
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accession code: VB.CC.31806.CEGL000744
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Western Ecology Working Group of... |
0
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This woodland is known from Montana and southern Utah, and may occur in similar environmental settings in between. It occurs on steep slopes, ridges and canyons, generally with southern exposures. The known elevation range is 1675 to 2610 m (5500-8560 feet) This is an open, short-statured woodland dominated by <i>Cercocarpus ledifolius</i> mixed with <i>Juniperus scopulorum</i>. Other trees present may include <i>Pinus edulis, Pinus ponderosa</i>, and <i>Pseudotsuga menziesii</i>. Other species generally have low cover and include <i>Quercus gambelii, Arctostaphylos patula, Symphoricarpos oreophilus</i>, and <i>Mahonia repens</i>. Grasses and forbs present may include <i>Achnatherum hymenoides</i> and <i>Poa fendleriana, Artemisia frigida</i>, and <i>Opuntia polyacantha</i>. |
Comm #11470
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CEGL002139
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accession code: VB.CC.4670.CEGL002139
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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