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Name
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Reference
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Plots↓
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Description |
Comm #11241
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CEGL000543
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accession code: VB.CC.3153.CEGL000543
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11242
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CEGL000544
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accession code: VB.CC.3154.CEGL000544
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11243
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A.187
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accession code: VB.CC.1568.A187
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11244
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Artemisia arbuscula ssp. longiloba / Poa secunda Shrub Herbaceous Vegetation
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accession code: VB.CC.33931.CEGL001523
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Western Ecology Working Group of... |
0
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This short shrub-steppe association is found between 1450 and 2600 m (4750-8530 feet) elevation in northern Nevada, southwestern Idaho, southwestern Wyoming and north-central Colorado. It is located on gentle to moderate slopes or rolling uplands, ridges, alluvial fans, and basin bottoms on most aspects. Soils tend to be a heavy clay loam. <i>Artemisia arbuscula ssp. longiloba</i> dominates the shrub overstory. Traces to low cover of <i>Purshia tridentata, Chrysothamnus viscidiflorus</i>, and <i>Ericameria nauseosa</i> may also be present. <i>Elymus elymoides</i> and <i>Festuca idahoensis</i> are consistently present along with <i>Poa secunda</i>. Common forbs include <i>Allium acuminatum, Eriogonum caespitosum</i>, and <i>Phlox hoodii</i>. |
Comm #11245
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Leymus triticoides Herbaceous Vegetation
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accession code: VB.CC.31818.CEGL001571
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Western Ecology Working Group of... |
0
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Once a widespread grassland of California on heavy clay soils, <i>Leymus triticoides</i> grasslands today are restricted to relict places in California's Central Valley and neighboring coastal and Sierra Nevada foothills. It has also been documented along riparian areas in Nevada. It occurs on clay or clay loam soils and has been documented along the margins of marshes, as narrow bands of wetland-upland borders as a natural ecotones, and along levee tops and margins of marshes adjacent to zones intermittent flooding. In addition, stands have been documented along riparian floodplains. <i>Leymus triticoides</i> dominates the herbaceous layer but is rarely found without several introduced annual plants such as <i>Sonchus</i> spp., <i>Vulpia myuros, Polypogon monspeliensis, Lactuca serriola, Lolium perenne ssp. multiflorum (= Lolium multiflorum), Bromus diandrus</i>, or <i>Avena fatua</i>. Stands in valley bottoms may have a few emergent oak trees or elderberry, giving this grassland a savanna-like appearance. |
Comm #11246
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CEGL000596
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accession code: VB.CC.3205.CEGL000596
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11247
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Plagiobothrys figuratus Vernal Pool Herbaceous Vegetation
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accession code: VB.CC.23564.PLAGIOBOTHRYSFI
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Western Ecology Working Group of... |
0
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Comm #11248
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Artemisia tridentata ssp. vaseyana / Festuca campestris Shrub Herbaceous Vegetation
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accession code: VB.CC.34368.CEGL001531
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Western Ecology Working Group of... |
0
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This big sagebrush shrub prairie type is found in Montana, Washington, southwestern Alberta, and adjacent British Columbia. Stands in Montana are usually found north of 46°N latitude and between 1036 and 1950 m (3400-6400 feet) on southerly exposures with less than 40% slope, as well as alluvial flats. Precipitation within this zone ranges from 15 to more than 40 inches per year. Moderately deep soils are derived from a variety of parent materials. Its distribution outside Montana includes lower elevation sites (to 610 m [2000 feet]) within the Okanogan Valley (Washington) and the Colville country north of Spokane. The high productivity of this type results in comparatively little (<20%) exposed rock or soil. The vegetation description is based primarily on Montana occurrences. This association usually occurs as large patches in a mosaic with fescue grasslands and <i>Pseudotsuga menziesii</i>- or <i>Pinus flexilis</i>-dominated forests. Shrub layer dominance (10-30% canopy cover, average 20%) by <i>Artemisia tridentata ssp. vaseyana</i> characterizes the upper elevation examples of this type. <i>Artemisia tridentata ssp. wyomingensis</i> has been noted as a canopy dominant in lower elevation occurrences associated with central Montana ranges isolated within the Great Plains. As little as 5% canopy cover of the highly palatable <i>Festuca campestris</i> may be diagnostic for the type, but generally it dominates the herbaceous layer, ranging in canopy cover from 10% to as much as 70-80% on the least disturbed, most mesic sites. Other important and high-constancy (>75%) grasses are <i>Festuca idahoensis, Koeleria macrantha, Pseudoroegneria spicata</i>, and <i>Poa cusickii</i>; the cover of <i>Pseudoroegneria spicata</i> and <i>Festuca idahoensis</i> may exceed that of <i>Festuca campestris</i> on more intensively grazed sites. On overgrazed sites this type may be recognized by scattered remnant clumps of <i>Festuca campestris</i>. The forb layer is generally both diverse and abundant, constituting upwards of 20% of the standing crop biomass; those of high constancy include <i>Arenaria congesta, Eriogonum umbellatum, Antennaria microphylla, Geranium viscosissimum</i>, and <i>Cerastium arvense</i>. |
Comm #11249
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Calamagrostis canadensis Sierran Herbaceous Vegetation
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accession code: VB.CC.25910.CALAMAGROSTISCA
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Western Ecology Working Group of... |
0
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Comm #11250
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Festuca campestris - Pseudoroegneria spicata Herbaceous Vegetation
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accession code: VB.CC.36467.CEGL001629
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Mueggler, W. F., and W. L. Stewa... |
0
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This <i>Festuca campestris</i> association is found in the northwestern Great Plains, and on the slopes of the Front Range of Montana and Alberta, Canada. It occurs between 823 and 1890 m (2700-6200 feet) elevation, on level topography and steep slopes of all aspects. Soils are loamy and moderately deep. This midgrass community is fairly arid and heavily dominated by <i>Festuca campestris (= Festuca scabrella)</i>. <i>Pseudoroegneria spicata</i> is abundant, while <i>Festuca idahoensis</i> is common. Other graminoids that may be found are <i>Bouteloua gracilis, Muhlenbergia cuspidata</i>, and <i>Hesperostipa comata (= Stipa comata)</i>. Forbs may include <i>Heterotheca villosa, Liatris punctata</i>, and <i>Lupinus sericeus</i>. The short shrubs <i>Artemisia frigida</i> and <i>Gutierrezia sarothrae</i> are also common. This association is differentiated from <i>Festuca campestris - Festuca idahoensis</i> associations by the conspicuous abundance of <i>Pseudoroegneria spicata</i>. In addition, <i>Festuca idahoensis</i> is generally less abundant than <i>Festuca campestris</i>. |
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