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Add/Drop	Name	Reference	Plots↓	Description
Comm #11411	Quercus macrocarpa / Ostrya virginiana Forest » more details accession code: VB.CC.36700.CEGL000555	Midwestern Ecology Working Group...	0	This bur oak community type is found in the Black Hills of the western United States. Stands occur at elevations of 1067-1400 m (3500-4600 feet) on gentle to moderately steep (14-47%) northerly slopes. Most occurrences are on upland slopes but some are along streams and gullies. The occurrences of this type along streams are often more floristically diverse than upland examples. The soils are sandy loams and loams with pH of 5.8-7.4. This community is dominated by closely spaced small trees of <i>Quercus macrocarpa</i>. In some areas across the range of this type <i>Fraxinus pennsylvanica</i> and <i>Prunus virginiana</i> may be present. <i>Ostrya virginiana</i> is present in the tree subcanopy. The shrub layer may contain <i>Prunus virginiana var. virginiana, Ribes</i> spp., and <i>Symphoricarpos occidentalis</i>. The herbaceous layer is moderately diverse. Species include <i>Carex siccata (= Carex foenea), Carex saximontana, Carex sprengelii, Elymus virginicus, Mahonia repens, Maianthemum stellatum, Phlox gracilis ssp. gracilis, Thalictrum</i> spp., and <i>Woodsia</i> spp.
Comm #11412	CEGL004959 » more details accession code: VB.CC.6365.CEGL004959 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #11413	Low Forb Aquatic Herbaceous Vegetation » more details accession code: VB.CC.26316.LOWFORBAQUATICH	Midwestern Ecology Working Group...	0
Comm #11414	CEGL007601 » more details accession code: VB.CC.7213.CEGL007601	EcoArt 2002	0
Comm #11415	CEGL007602 » more details accession code: VB.CC.7214.CEGL007602 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #11416	Populus tremuloides - Abies concolor / Symphoricarpos oreophilus Forest » more details accession code: VB.CC.32921.CEGL000523	Western Ecology Working Group of...	0	This mixed evergreen-deciduous forest is documented from the mountains and plateaus of Utah and northern Nevada at montane elevations. Stands are characterized by a moderately dense to dense tree canopy codominated by <i>Populus tremuloides</i> and <i>Abies concolor</i> with <i>Symphoricarpos oreophilus</i> dominating the short-shrub layer. Often the conifers form a subcanopy that will eventually overtake the <i>Populus tremuloides</i>. Adjacent vegetation is usually forests dominated by <i>Abies concolor</i> or <i>Pseudotsuga menziesii</i>.
Comm #11417	Acer negundo / Equisetum arvense Forest » more details accession code: VB.CC.34549.CEGL000626	Western Ecology Working Group of...	0	This plant association occurs in the Overthrust Mountains of northeastern Utah, in northwestern Colorado and possibly in Idaho and Wyoming. Stands generally occur on the banks of low-gradient streams that experience periodic flooding and scouring that remove non-rhizomatous species. The association occurs in narrow valleys below 2000 m in elevation. Stream gradients are low, terraces slope gently, the water table is high through at least part of the growing season, and soils are generally sandy and derived from alluvium. <i>Acer negundo</i> dominates the open overstory with a dense understory of <i>Equisetum arvense</i>. Canopy cover is at least 20%. Shrubs occur in patches and may include <i>Salix exigua, Salix monticola, Tamarix ramosissima, Rhus trilobata</i>, and <i>Sambucus caerulea (= Sambucus nigra ssp. caerulea)</i>. Herbaceous species are mostly crowded out by the <i>Equisetum</i>; there may be occasional stems of <i>Maianthemum stellatum (= Smilacina stellata), Mentha arvensis, Clematis ligusticifolia, Elymus glaucus</i>, and the introduced grasses <i>Agrostis stolonifera</i> and <i>Poa pratensis</i>.
Comm #11418	CEGL004972 » more details accession code: VB.CC.6378.CEGL004972	EcoArt 2002	0
Comm #11419	Rubus (argutus, trivialis) Shrubland Alliance » more details accession code: VB.CC.28427.RUBUSARGUTUSTRI	Southeastern Ecology Working Gro...	0	This alliance includes successional vegetation which develops following disturbance (complete forest canopy removal) dominated by Rubus argutus and/or Rubus trivialis. Many examples also contain Smilax spp. and a great variety of tree saplings and other woody species. In central Tennessee, these may include Quercus spp., Liquidambar styraciflua, Acer rubrum, and Rhus copallinum. Herbs in central Tennessee examples may include Solidago spp., Asteraceae spp., Helianthus spp., Hypericum spp., Potentilla simplex; grasses may include Andropogon spp., Dichanthelium spp., Panicum spp., Schizachyrium scoparium, and Sorghastrum nutans.
Comm #11420	Populus tremuloides / Corylus cornuta Forest » more details accession code: VB.CC.33018.CEGL000583	Western Ecology Working Group of...	0	This upland forest community is found on gently sloping or rolling topography in the northwestern Great Plains and the Rocky Mountain and Black Hills ranges of the United States and southern Canada. Stands may be found on a variety of aspects, often more northerly. The soils are well-developed and deep. They can be derived from a variety of sources, including limestone, quartzite, schist, Tertiary volcanics, and glacial till. This deciduous forest community can have a moderately closed to closed canopy. <i>Populus tremuloides</i> is the dominant tree, and <i>Betula papyrifera</i> can be codominant. Scattered <i>Quercus macrocarpa, Fraxinus pennsylvanica</i> and, in the Black Hills, <i>Picea glauca</i> or <i>Pinus ponderosa</i> can also be found. There is a conspicuous understory of shrubs and forbs; few graminoids achieve prominence. The shrub layer is 1-2 m tall and dominated by <i>Corylus cornuta</i>. Other species found with it include <i>Amelanchier alnifolia, Mahonia repens, Prunus virginiana, Symphoricarpos</i> spp., and <i>Rubus idaeus</i>. In the western part of its range <i>Spiraea betulifolia</i> is also common. The herbaceous layer has <i>Aralia nudicaulis, Lathyrus ochroleucus, Maianthemum canadense, Galium triflorum, Maianthemum stellatum, Viola</i> spp., and <i>Sanicula marilandica</i>. In the eastern part of its range this community can have significant amounts of <i>Carex pensylvanica</i>.