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Add/Drop	Name	Reference	Plots↓	Description
Comm #10731	CEGL007926 » more details accession code: VB.CC.7499.CEGL007926 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #10732	Pinus strobus - Tsuga canadensis Forest Alliance » more details accession code: VB.CC.20557.PINUSSTROBUSTSU	Eastern Ecology Working Group of...	0	Forests codominated by Pinus strobus and Tsuga canadensis occurring from eastern Wisconsin and the upper peninsula of Michigan to eastern Pennsylvania and Maine, south through the Appalachians to northern Georgia and South Carolina. Isolated occurrences could potentially occur in the Cumberland Plateau of Kentucky and Tennessee. Generally, Tsuga canadensis and Pinus strobus are codominant, but other common associates can include Fagus grandifolia, Acer rubrum, Betula lenta, Betula alleghaniensis, Quercus rubra. Picea rubens is often a component in the northeastern part of range, while Liriodendron tulipifera and Betula lenta are the common associates in the southern Appalachians. Typical shrubs/saplings include Acer spicatum, Hamamelis virginiana, and Acer pensylvanicum (in the north), and Ilex opaca, Leucothoe fontanesiana, Rhododendron maximum (in the south). The herbaceous stratum may be sparse and generally depauperate, including Clintonia borealis, Cypripedium acaule, Gaultheria procumbens, Lycopodium spp., Maianthemum canadense, and Trientalis borealis (in the north), and Chimaphila maculata, Mitchella repens, Galax urceolata, Viola blanda, and Polystichum acrostichoides (in the south). Stands of this alliance are found on acidic, nutrient-poor, usually moderately well-drained soils such as sandy loams. Communities of the eastern portion of the range (New England) generally occur on well-drained midslopes, and apparently are not significantly affected by aspect. In the southern Appalachian Mountains and Cumberland Plateau, these forests occur on alluvial terraces and steep, protected gorge slopes. Communities of this alliance are commonly established following disturbance, either natural (fire, windthrow, catastrophic flood events) or anthropogenic (logging). Old-growth examples of the alliance are known, and these forests were likely to have been widespread prior to European settlement. However, without periodic disturbance, communities of this alliance will eventually succeed to other alliances (Barnes 1991).
Comm #10733	Abies concolor - Pseudotsuga menziesii / Carex siccata Forest » more details accession code: VB.CC.31730.CEGL000244	Western Ecology Working Group of...	0	This high-elevation forest is codominated by <i>Abies concolor</i> and <i>Pseudotsuga menziesii</i> with infrequent <i>Abies lasiocarpa</i>. Shrub cover is usually low, but <i>Acer glabrum</i> can be common on moister sites. The ground is covered by a dense sod dominated by <i>Carex siccata (= Carex foenea)</i> often with <i>Bromus ciliatus var. richardsonii (= Bromus richardsonii), Poa pratensis, Carex rossii</i>. Common forbs include <i>Achillea millefolium var. occidentalis (= Achillea lanulosa), Campanula rotundifolia, Fragaria virginiana ssp. glauca (= Fragaria ovalis), Geranium richardsonii, Hymenoxys hoopesii (= Helenium hoopesii), Lathyrus lanszwertii var. leucanthus (= Lathyrus lanszwertii var. arizonicus), Pteridium aquilinum, Pseudocymopterus montanus, Senecio wootonii</i>, and <i>Vicia americana</i>.
Comm #10734	Pinus monophylla - Juniperus osteosperma / Artemisia arbuscula Woodland » more details accession code: VB.CC.33217.CEGL000830	Western Ecology Working Group of...	0
Comm #10735	Andropogon gerardii - Sporobolus heterolepis Western Foothills Herbaceous Vegetation » more details accession code: VB.CC.18290.ANDROPOGONGERAR	Western Ecology Working Group of...	0	This big bluestem prairie grassland is found primarily in mesic habitats of the Rocky Mountain foothills of the western United States, and possibly some locations eastward. Stands occur in mesic habitats of foothills and riverine habitats. The vegetation is dominated by medium-tall to tall grasses. Andropogon gerardii and Sporobolus heterolepis are major dominants. Stand descriptions are available from the Colorado Heritage Program.
Comm #10736	Spartina pectinata Western Kentucky Herbaceous Vegetation » more details accession code: VB.CC.22654.SPARTINAPECTINA	Southeastern Ecology Working Gro...	0	This wet prairie is known from the Upper East Gulf Coastal Plain of Kentucky, possibly extending a short distance into adjacent Tennessee. At present the community is probably seasonally saturated, but it was presumably seasonally flooded in the past. The vegetation is dominated by Spartina pectinata, but Helianthus angustifolius and Viola sagittata are also abundant. Also present are Cephalanthus occidentalis, Andropogon gerardii, Dichanthelium scoparium, Schizachyrium scoparium, Sorghastrum nutans, Tripsacum dactyloides, Asclepias tuberosa, Baptisia alba var. macrophylla (= Baptisia leucantha), Crotalaria sagittalis, Dichanthelium clandestinum, Agalinis fasciculata, Helianthus grosseserratus, Helianthus mollis, Heterotheca villosa (= Chrysopsis villosa), Spiranthes cernua, Rhexia mariana, Rudbeckia hirta, and Rudbeckia subtomentosa. The distinctiveness of this community from other associations in the alliance is unknown and will be difficult to determine since no unaltered examples remain.
Comm #10737	Pinus taeda / Schizachyrium scoparium Woodland » more details accession code: VB.CC.35363.CEGL003620	Southeastern Ecology Working Gro...	0	This association is comprised of fire-maintained woodlands of the southeastern Coastal Plain and adjacent Piedmont, with an open to scattered canopy of <i>Pinus taeda</i> and herb layer dominated by <i>Schizachyrium scoparium</i>. The structure and composition of this community are maintained by fires set by military training; this presumably is not a naturally occurring community. It is only known from outside of the natural range of <i>Pinus palustris</i>.
Comm #10738	Salix lutea Temporarily Flooded Shrubland Alliance » more details accession code: VB.CC.21899.SALIXLUTEATEMPO	Western Ecology Working Group of...	0	Communities within this cold-deciduous, temporarily flooded shrubland alliance occur on alluvial terraces adjacent to mountain rivers and streams. They occupy broad floodplains (0-6% slope), stream and river edges, ditches, seeps, and moist alluvial terraces. Elevations range from 1100-3600 m. Soils on the alluvial terraces are usually a deep silt or sand. These soils are saturated early in spring and often remain moist throughout the growing season. The tall-shrub canopy is continuous and dominated by Salix lutea with varying amounts of Salix exigua, Salix bebbiana, and Salix boothii. The short-shrub layer's cover is typically 25% or greater and consists of Ribes aureum, Ribes inerme, and Rosa woodsii. The graminoid layer ranges from sparse to dense canopy cover. Major herbaceous species include Calamagrostis canadensis, Carex utriculata, Calamagrostis stricta, and Carex microptera.
Comm #10739	Carex gynandra - Scirpus cyperinus - Eriophorum virginicum - Osmunda cinnamomea Herbaceous Vegetation » more details accession code: VB.CC.22894.CAREXGYNANDRASC	Southeastern Ecology Working Gro...	0	This association consists of patches of saturated vegetation located in areas of flat topography located near streams in the Cumberlands. It is primarily an herbaceous community, but some examples may exhibit a shrub zone. The primary herbaceous species are Carex gynandra, Juncus effusus, Osmunda cinnamomea, Osmunda regalis var. spectabilis, Doellingeria umbellata (= Aster umbellatus), Polygonum sagittatum, Eriophorum virginicum, Lygodium palmatum, Platanthera clavellata, Platanthera flava var. flava, Lycopus virginicus, Oxypolis rigidior, Chelone glabra, Carex lurida, Carex atlantica, Glyceria melicaria, Scirpus cyperinus, Carex leptalea (ssp. harperi), and Solidago rugosa ssp. aspera. Sphagnum spp. are common and include Sphagnum palustre. Shrubs can occur as scattered clumps or zones and include Ilex opaca, Kalmia latifolia, Rhododendron maximum, and Photinia pyrifolia (= Aronia arbutifolia). This community occurs along streams, in flats away from the immediate streambed, at elevations of 2000-2500 feet.
Comm #10740	Pinus echinata / Rock Outcrop Interior Highland Woodland » more details accession code: VB.CC.22048.PINUSECHINATARO	Midwestern Ecology Working Group...	0	This shortleaf pine rock outcrop woodland type is found in the Interior Highlands region of the United States. Stands occur on shallow rocky soils, especially on south-facing slopes and cliffs. Characteristic tree species include Pinus echinata, Juniperus virginiana var. virginiana, Quercus marilandica and Quercus stellata. Shrubs and vines include Toxicodendron radicans and Vaccinium pallidum. Herbaceous species include Antennaria parlinii and Danthonia spicata. This community type has been much reduced in extent.