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Name
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Reference
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Plots↓
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Description |
Comm #12071
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Cobble/Gravel Pavement Sparsely Vegetated Alliance
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accession code: VB.CC.19923.COBBLEGRAVELPAV
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Midwestern Ecology Working Group... |
0
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Comm #12072
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CEGL004665
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accession code: VB.CC.6188.CEGL004665
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12073
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Quercus gambelii / Carex inops Shrubland
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accession code: VB.CC.25444.QUERCUSGAMBELII
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Western Ecology Working Group of... |
0
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Comm #12074
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Calamagrostis canadensis - Carex viridula - Cladium mariscoides - Lobelia kalmii Saturated Herbaceous Alliance
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accession code: VB.CC.25447.CALAMAGROSTISCA
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Midwestern Ecology Working Group... |
0
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Comm #12075
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Bouteloua eriopoda - Hesperostipa neomexicana Herbaceous Vegetation
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accession code: VB.CC.34402.CEGL001753
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Western Ecology Working Group of... |
0
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From Muldavin et al. (2000b): This is a major community of the San Andres, San Augustine, and Oscura mountains of New Mexico with some occurrences on Chupadera Mesa. Stands occur mostly on cool north-facing, steep-sloped escarpments and on smooth dip slopes at elevations from 1490 to 2090 m (4900-6850 feet). However, some are found on the upper piedmonts that lead west from the Oscura Mountains and within upland valleys of the San Andres Mountains. Rock and gravel surfaces are dominant and parent materials consist of limestone and occasionally sandstone. Soils are predominantly shallow and are mostly medium- to coarse-textured loams and sandy loams. This grassland is characterized by well-represented to abundant <i>Hesperostipa neomexicana (= Stipa neomexicana)</i> with <i>Bouteloua eriopoda</i> as the codominant. Other common grasses include <i>Bouteloua hirsuta</i><i>, </i><i>Bouteloua gracilis</i>, and <i>Bouteloua curtipendula</i> that can be present, but clearly subordinate. The shrub layer consists of many different species (39), but they are widely scattered and variable. The most common are <i>Yucca baccata, Opuntia phaeacantha</i>, and <i>Dalea formosa</i>. The forbs are highly diverse (63 species) and variable with <i>Melampodium leucanthum</i> being the most constant species. <i>Juniperus monosperma</i> is present in some stands but in very low densities. |
Comm #12076
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Fraxinus pennsylvanica - Ulmus crassifolia - Celtis laevigata Forest
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accession code: VB.CC.21574.FRAXINUSPENNSYL
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Southeastern Ecology Working Gro... |
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In Oklahoma, this association occurs along the Red River (Bryan, Choctaw, Love, Marshall, and McCurtain counties) and along the Arkansas River (Cherokee, Haskell, Muskogee, and Sequoyah counties). Other characteristic species include Crataegus mollis, Crataegus viridis, Gleditsia triacanthos, Maclura pomifera, Populus deltoides, Quercus macrocarpa, Quercus nigra, and Ulmus rubra. |
Comm #12077
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CEGL000075
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accession code: VB.CC.2703.CEGL000075
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12078
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CEGL001253
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accession code: VB.CC.3840.CEGL001253
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12079
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CEGL001254
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accession code: VB.CC.3841.CEGL001254
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12080
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Bouteloua gracilis - Pleuraphis jamesii Herbaceous Vegetation
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accession code: VB.CC.34317.CEGL001759
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Western Ecology Working Group of... |
0
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These grasslands occur on alluvial flats, mesas and plains in the semi-arid southwestern Great Plains and the Colorado Plateau in southeastern Colorado, New Mexico, northern Arizona and southern Utah. Elevation ranges from 1625-2230 m (5330-6110 feet) in central and western New Mexico and on the Colorado Plateau and extends below 1525 m (5000 feet) in the southwestern Great Plains. Sites are flat to undulating, with shallow to moderately deep, loam to silty clay loam-textured soils. In western New Mexico, it is typically found on gently rolling, weathered, lava plateaus with substrates derived from volcanic basalt, but occasionally on gentle sideslopes of low hills on alluvium derived from sandstone. The ground surface is characterized by scattered bunchgrasses intermixed with exposed soil and litter; there may also be a strong component of gravel and rock. Stands are codominated by the graminoids <i>Bouteloua gracilis</i> and <i>Pleuraphis jamesii (= Hilaria jamesii)</i>. These short and medium-tall perennial bunchgrasses may form a sod-like ground cover with patches of bare ground, especially where grazing by livestock encourages a prostrate growth form. Canopy cover is relatively sparse to moderately dense (20-80% cover). Other grasses include <i>Buchloe dactyloides, Muhlenbergia torreyi, Sporobolus cryptandrus, Aristida</i> spp., <i>Achnatherum hymenoides (= Oryzopsis hymenoides), Pascopyrum smithii, Hesperostipa comata (= Stipa comata)</i>, or <i>Hesperostipa neomexicana (= Stipa neomexicana)</i>. Forb cover is generally sparse but may be diverse. Characteristic species include <i>Cryptantha</i> spp., <i>Grindelia squarrosa, Machaeranthera pinnatifida, Ratibida</i> spp., <i>Sphaeralcea coccinea</i>, and <i>Zinnia grandiflora</i>. Scattered dwarf-shrubs, shrubs and cacti, such as <i>Artemisia bigelovii, Artemisia frigida, Gutierrezia sarothrae, Krascheninnikovia lanata, Opuntia imbricata (= Cylindropuntia imbricata), Opuntia polyacantha, Prosopis glandulosa</i> (southern stands), and <i>Yucca glauca</i>, are not uncommon. Codominance of <i>Bouteloua gracilis</i> and <i>Pleuraphis jamesii</i> distinguishes this vegetation from several closely related grasslands. Seedling and sapling <i>Juniperus monosperma</i> and <i>Pinus edulis</i>, when present, are scattered in these grasslands, and shrubs are scarce (making up less than 2% of cover) and most commonly represented by <i>Gutierrezia sarothrae</i> and <i>Ericameria nauseosa</i>. |
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