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Name
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Reference
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Plots↓
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Description |
Comm #11421
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Populus tremuloides / Senecio bigelovii var. bigelovii Forest
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accession code: VB.CC.32825.CEGL000590
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Western Ecology Working Group of... |
0
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This plant association is an infrequently occurring community in the Rampart Range and the Wet Mountains of the Front Range of Colorado. It occurs at elevations ranging from 2620-2755 m (8600-9040 feet) on gently sloping east-, west-, or northeast-facing swales on cool, moist sites. The overstory is dominated by <i>Populus tremuloides</i> (50-75% cover) with a minor tree understory of <i>Abies concolor</i> (<3% cover), <i>Picea pungens</i> (0-10% cover), <i>Pinus contorta</i> (<3% cover), and <i>Pseudotsuga menziesii</i> (<3% cover). Total shrub cover ranges from 1-30% and may include <i>Arctostaphylos uva-ursi</i> (0-10% cover), <i>Juniperus communis</i> (0-15% cover), and <i>Rosa woodsii</i> (0-15% cover). The herbaceous layer consists of 22% cover graminoids and 71% cover forbs. The forbs are diverse, but <i>Senecio bigelovii var. bigelovii (= Ligularia bigelovii)</i> is always present with at least 20% cover (20-45%); other forbs that may be present with high cover are <i>Achillea millefolium</i> (2-15%), <i>Aconitum columbianum</i> (0-10%), <i>Symphyotrichum laeve (= Aster laevis)</i> (0-15%), <i>Fragaria virginiana</i> (10-20%), <i>Geranium richardsonii</i> (5-25%), <i>Pedicularis procera (= Pedicularis grayi)</i> (0-15%), <i>Potentilla gracilis</i> (0-30%), <i>Thalictrum fendleri</i> (0-20%), and <i>Vicia americana</i> (0-30%). |
Comm #11422
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Salix monticola / Angelica ampla Shrubland
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accession code: VB.CC.32465.CEGL001221
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Western Ecology Working Group of... |
0
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Comm #11423
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Populus tremuloides / Lupinus argenteus Forest
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accession code: VB.CC.33004.CEGL000593
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Western Ecology Working Group of... |
0
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This woodland type is found in small stands in the montane zone of the Bighorn Mountains of north-central Wyoming. Stands have been described from a variety of aspects at 2134 to 2365 m (7000-7760 feet) elevation. The vegetation has a simple structure, with an overstory of <i>Populus tremuloides</i> and a species-rich herbaceous usually dominated by <i>Taraxacum officinale, Lupinus argenteus</i>, and <i>Trifolium</i> sp., and containing <i>Festuca idahoensis, Leucopoa kingii (= Festuca kingii), Poa nervosa</i>, and <i>Achillea millefolium</i>. Most stands are heavily grazed by livestock. |
Comm #11424
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Populus tremuloides / Quercus gambelii / Symphoricarpos oreophilus Forest
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accession code: VB.CC.32646.CEGL000598
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Western Ecology Working Group of... |
0
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This deciduous forest is known from central New Mexico, the southwestern Colorado Plateau and southern Rocky Mountains where it occurs along drainages on plateaus and in draws on mountain slopes. Elevations range from 2240-2538 m. Stands occur along intermittent streams on moderately steep to steep slopes with southwestern to northwestern aspects. Soils tend to be relatively shallow, finer-textured loams derived from alluvium and residuum from volcanic or sedimentary rocks. Litter covers much of the ground surface. The vegetation is characterized by a moderately dense to dense tree canopy dominated by <i>Populus tremuloides</i>. <i>Quercus gambelii</i> dominates the tall-shrub layer (>10% cover) and may be present in the tree canopy. <i>Symphoricarpos oreophilus</i> or <i>Symphoricarpos rotundifolius</i> form the short-shrub layer (>10% cover) with several other shrub species. The herbaceous layer is generally sparse, but may be moderately dense, and is usually a diverse mixture of grasses and forbs. |
Comm #11425
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Pontederia cordata Seasonally Flooded Herbaceous Alliance
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accession code: VB.CC.24335.PONTEDERIACORDA
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Southeastern Ecology Working Gro... |
0
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Forb wetlands occurring in depressions, dominated (often essentially monospecific) by Pontederia cordata. This alliance is particularly prevalent in mucky organic soils, of seasonally (or sometimes nearly semipermanently) flooded situations in depression wetlands in Florida. |
Comm #11426
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CEGL002740
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accession code: VB.CC.5128.CEGL002740
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EcoArt 2002 |
0
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Comm #11427
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CEGL000332
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accession code: VB.CC.2955.CEGL000332
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11428
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CEGL000926
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accession code: VB.CC.3528.CEGL000926
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11429
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CEGL000715
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accession code: VB.CC.3320.CEGL000715
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11430
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Populus tremuloides / Ribes montigenum Forest
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accession code: VB.CC.32644.CEGL000600
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Western Ecology Working Group of... |
0
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This minor riparian forest association is found east of the Continental Divide in a mountainous region of south-central Colorado. Stands occurs along moist streamsides, on wet toeslopes or stream bottoms, between 2900 and 3200 m elevation. Slopes are gentle and straight or concave. Soils are wet. The tree canopy is characterized by a nearly closed canopy of the broad-leaved deciduous tree <i>Populus tremuloides</i>. The understory is very lush, with a moderately dense shrub layer (55% mean cover) and a dense herbaceous layer of over 100% cover. <i>Ribes montigenum</i> dominates the shrub layer with few other shrubs. The dense herbaceous layer is dominated by a mix of perennial grasses and forbs. <i>Bromus ciliatus, Carex siccata (= Carex foenea)</i> and <i>Festuca thurberi</i> are the most important of the graminoids. Dominant forbs include <i>Equisetum arvense, Fragaria virginiana, Geranium richardsonii</i>, and <i>Polemonium pulcherrimum</i>, but many other species contribute to the high cover of the herbaceous layer. Many of these species are indicative of wet or moist site conditions. Diagnostic of this forest association is the tree canopy dominated by <i>Populus tremuloides</i> with a <i>Ribes montigenum</i>-dominated the shrub layer. |
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