| Add/Drop |
Name
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Reference
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Plots↓
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Description |
Comm #12161
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CEGL001716
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accession code: VB.CC.4277.CEGL001716
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12162
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CEGL007220
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accession code: VB.CC.7029.CEGL007220
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EcoArt 2002 |
0
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Comm #12163
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CEGL004252
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accession code: VB.CC.5899.CEGL004252
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12164
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CEGL004257
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accession code: VB.CC.5900.CEGL004257
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12165
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CEGL004464
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accession code: VB.CC.6019.CEGL004464
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12166
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Caltha leptosepala - Polygonum bistortoides Herbaceous Vegetation
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accession code: VB.CC.34096.CEGL001956
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Western Ecology Working Group of... |
0
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This type is described from one study of subalpine and alpine meadows of the Sangre de Cristo Mountains of northern New Mexico, where it occurs in wetlands. The association is based upon 2 plots of data, each of which could legitimately be placed in a different association based upon species composition and abundance. These plots represent stands of subalpine wet meadow vegetation types, found in small areas within the predominant spruce-fir forest. Elevations range from 2930 to over 3200 m (9600-10,500 feet). The soils of both stands were reported to be saturated year-round, with one stand having standing water much of the year. Both stands are characterized by dominance of herbaceous species, primarily <i>Deschampsia caespitosa, Caltha leptosepala</i>, and <i>Polygonum bistortoides</i>. Other species present in less abundance include <i>Swertia perennis, Pedicularis groenlandica, Ligusticum porteri, Phleum alpinum</i> and <i>Veronica wormskjoldii</i>. This association is probably not a valid type, and the plots representing it should be compared to data from other wet meadow, herbaceous types from elsewhere in the southern Rockies. |
Comm #12167
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Quercus macrocarpa / Prunus virginiana - Symphoricarpos occidentalis Woodland
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accession code: VB.CC.36699.CEGL002138
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Midwestern Ecology Working Group... |
0
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This oak woodland type is found in the northwestern Great Plains and Black Hills of the United States. Stands occur along river valley slopes, valley bottoms, upland ravines, and butte or hill slopes. Soils are fertile and relatively mesic. This community is a woodland or forest dominated by <i>Quercus macrocarpa</i> and <i>Fraxinus pennsylvanica</i> in the tree layer, <i>Amelanchier alnifolia</i> and <i>Prunus virginiana</i> in the shrub layer, and <i>Carex sprengelii, Poa pratensis</i>, and <i>Galium boreale</i> in the herbaceous layer. Stands in the Black Hills often have <i>Symphoricarpos occidentalis</i> as a dominant shrub. Along the Missouri River, in North Dakota, ravine forests containing <i>Quercus macrocarpa</i> have rather closed canopies, resulting in a lack of a tall-shrub and sapling layer. These forests reach a height of about 23 m at maturity. |
Comm #12168
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Caltha leptosepala - Rhodiola rhodantha Herbaceous Vegetation
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accession code: VB.CC.34095.CEGL001957
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Western Ecology Working Group of... |
0
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This alpine wetland association is known from the southern Rocky Mountains. Elevation ranges from 3050 to 3630 m (10,000-11,900 feet). Stands occur in marshes, along streams in lower alpine where moderate to deep snow accumulates during winter. It is often associated with late-melting snowbanks that feed snowmelt throughout the growing season. Sites are often flat to gently sloping or depressional on any aspect but include moderate slopes (to 30%). Soils are hygric to hydric and may be highly organic. Surface cover of litter and duff is often up to 30%. Moss cover is a more consistent ground cover, with up to 20% cover. Rock cover can be significant along streams. Vegetation is characterized by a moderate to dense herbaceous layer dominated by <i>Caltha leptosepala</i> typically with <i>Rhodiola rhodantha</i> present to codominant. Other important species include graminoids <i>Carex aquatilis, Carex illota, Carex nigricans, Carex pachystachya, Deschampsia caespitosa, Poa cusickii ssp. epilis (= Poa epilis), Juncus drummondii</i>, and forbs <i>Stellaria umbellata, Oreoxis</i> spp., <i>Pedicularis groenlandica</i>, and <i>Rhodiola integrifolia</i>. |
Comm #12169
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Cirsium scopulorum - Polemonium viscosum Herbaceous Vegetation
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accession code: VB.CC.34476.CEGL001959
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Western Ecology Working Group of... |
0
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This high-elevation herbaceous association occurs in the Rocky Mountains of Colorado and Wyoming. This description is based on information from Great Sand Dunes National Park and Preserve in Colorado. Additional global information will be added as it becomes available. This association is known from mid to high talus, scree, and colluvial slopes at 3525 to 3890 m elevation. Slope ranges from moderate to very steep (19-45°) with variable aspects. Soils are rapidly drained sandy loam, loamy sand, sand, and sandy clay. Stands are dominated by rock cover (25-95%) and gravel (0-58%). There is evidence of marmot and pika in the sampled areas. Herbaceous vegetation is sparse with less than 10% cover. <i>Cirsium scopulorum</i> has the greatest cover (up to 10%) along with <i>Polemonium viscosum</i> (up to 3%). Other frequent species with trace amounts of cover include <i>Trisetum spicatum, Trifolium dasyphyllum, Silene acaulis var. subacaulescens, Senecio fremontii, Geum rossii var. turbinatum</i>, and <i>Festuca brachyphylla</i>. |
Comm #12170
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Geum rossii - Minuartia obtusiloba Herbaceous Vegetation
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accession code: VB.CC.33843.CEGL001965
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Western Ecology Working Group of... |
0
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This alpine plant association has been documented from southwestern Montana in the East Pioneer and Tobacco Root ranges and the Front Range of north-central Colorado. Stands are common on exposed, windswept upper slopes, slope shoulders, saddles and ridgetops. Typically extreme winds create a deflation surface with bare ground and gravel and rock comprising between 35 and 90% cover. Soils are slightly acidic, have 35-70% coarse fragments, and are predominantly well-drained sandy loams, loams or sand. Stands are found on thin soils weathered from crystalline parent materials including granite. The vegetation is characterized by an open to moderately dense (30-50% cover) low herbaceous layer dominated by <i>Geum rossii</i> and cushion plants with virtually no dwarf-shrub component and a reduced graminoid component. Mean forb cover is 30% with <i>Geum rossii</i> and <i>Minuartia obtusiloba</i> being 100% constant and together constituting about one-quarter to one-half of the total forb cover. Other common forbs are <i>Castilleja occidentalis, Eritrichium nanum, Phlox pulvinata, Douglasia montana, Polygonum viviparum, Silene acaulis, Tonestus pygmaeus</i>, and <i>Trifolium dasyphyllum</i>. <i>Selaginella densa</i> and <i>Selaginella watsonii</i> are locally abundant. Graminoids have low coverage, although some have high constancy and include <i>Carex elynoides, Carex rupestris var. drummondiana, Festuca brachyphylla (= Festuca ovina), Luzula spicata, Poa arctica</i>, and <i>Poa glauca</i>. This cushion plant/fell-field community is identified by the dominance of the diagnostic species <i>Geum rossii</i> and <i>Minuartia obtusiloba</i>, which sets it apart from other cushion plant communities. |
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