| Add/Drop |
Name
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Reference
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Plots↓
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Description |
Comm #11131
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I.C.1.N.c
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accession code: VB.CC.750.IC1NC
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EcoArt 2002 |
0
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Comm #11132
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Tsuga mertensiana / Clintonia uniflora Forest
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accession code: VB.CC.32607.CEGL000504
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Western Ecology Working Group of... |
0
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Comm #11133
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CEGL000174
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accession code: VB.CC.2800.CEGL000174
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11134
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Pinus jeffreyi - Abies magnifica Woodland
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accession code: VB.CC.33105.CEGL008632
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Western Ecology Working Group of... |
0
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This association occurs on the eastern slopes of the upper montane of the Sierra Nevada, California. It is found at the highest elevations of all the <i>Pinus jeffreyi</i>-dominated communities, ranging from 2225-2775 m (7300-9100 feet), but typically above 2590 m (8500 feet). Aspects are generally southeastern through southwestern on slopes that are commonly somewhat steep to steep. Soils are derived from granitic bedrock or pumice cinders. Soils are characteristically deep and are gravelly sands. Soils are typically excessively drained, and are warm, given the dominant aspects. Stands in this association are somewhat open forests with sparse understories composed of scattered shrub and herb patches. The overstory is distinguished by the presence of <i>Pinus jeffreyi</i>, which averages 26%. <i>Abies magnifica</i> is generally present as well, but sometimes occurs in the middle and lower layers of the tree canopy. <i>Pinus contorta var. murrayana</i> is an infrequent component of the composition. Shrub cover is very low on most sites; however, in the southern portion of the range stands can be dominated by <i>Chrysolepis sempervirens</i>. In the north, <i>Artemisia tridentata, Purshia tridentata</i>, and <i>Chrysothamnus viscidiflorus</i> are present in a few cases. <i>Arabis platysperma, Eriogonum nudum</i>, and <i>Achnatherum occidentale</i> are the most frequent species in the herb layer, which averages between 20 and 25% cover. |
Comm #11135
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CEGL004558
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accession code: VB.CC.6096.CEGL004558
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11136
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Quercus chrysolepis - Pinus sabiniana Forest
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accession code: VB.CC.32567.CEGL008605
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Western Ecology Working Group of... |
0
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This forest association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. Stands of this forest are found at low to mid elevations (1250-1555 m [4100-5100 feet]) on xeric to extremely xeric sites that have southeastern to northwestern aspects. These sites tend to be on convex-shaped, moderately steep to steep (14-36°) slopes. This association is typically found on rocky sites with poorly developed, shallow to deep soils with textures that range from rocky to sandy loam and from granitic parent material. Penetrability is easy to difficult. Stands form an intermittent to open three-story structure dominated by <i>Quercus chrysolepis</i> and <i>Pinus sabiniana</i> in the tree layer. Rarely found are stands with greater than 50% cover of <i>Quercus chrysolepis</i>. <i>Arctostaphylos viscida, Toxicodendron diversilobum</i>, and <i>Ceanothus cuneatus</i> are commonly found contributing variable but usually sparse cover in the shrub layer. A large variety of other species may also be found contributing to minor cover in this association, including <i>Calocedrus decurrens, Umbellularia californica, Quercus wislizeni, Aesculus californica, Adenostoma fasciculatum, Cercocarpus montanus var. glaber (= Cercocarpus betuloides), Bromus diandrus, Bromus tectorum, Linanthus montanus, Madia</i> sp., <i>Poa secunda, Vulpia microstachys, Vulpia myuros, Dichelostemma capitatum, Pseudotsuga menziesii, Rhamnus ilicifolia (= Rhamnus crocea ssp. ilicifolia)</i>, and moss. |
Comm #11137
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A.1938
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accession code: VB.CC.1640.A1938
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EcoArt 2002 |
0
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Rainforest vegetation dominated or codominated by ~Magnolia pallescens$, on the exposed summits and ridges of the Cordillera Central (Hispaniola), between 1100 and 1600 m elevation, on reddish or yellowish acidic montane soils. |
Comm #11138
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Pinus contorta / Vaccinium membranaceum Rocky Mountain Forest
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accession code: VB.CC.23882.PINUSCONTORTAVA
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Western Ecology Working Group of... |
0
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Comm #11139
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CEGL004474
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accession code: VB.CC.6029.CEGL004474
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11140
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Abies concolor / Ceanothus cordulatus Forest
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accession code: VB.CC.34545.CEGL008608
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Western Ecology Working Group of... |
0
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This forest association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. Stands of this forest are found at mid elevations (1920-2070 m [6300-6800 feet]) on variable aspects (northeast to west) on gentle to somewhat steep slopes (3-20°). These site are generally found on moderately developed soils with soils textures that range from rocky to loamy, however, tending towards sandy loam. Soils are well-drained to poorly drained, and soil depths are shallow to deep. Parent material is granite. Stands of this forest form an open to moderately continuous tree layer dominated by <i>Abies concolor</i> in the overstory tree layer. <i>Pinus lambertiana</i> is also characteristic, but is less than 5% cover. <i>Pinus jeffreyi</i> is often a minor component in the tree canopy. <i>Abies magnifica</i> is occasionally present. A discontinuous shrub layer is dominated by <i>Ceanothus cordulatus</i>. Other shrubs present may include <i>Chrysolepis sempervirens, Symphoricarpos mollis, Symphoricarpos rotundifolius, Prunus emarginata</i>, and <i>Ribes</i> sp. |
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