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Name
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Reference
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Plots↓
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Description |
Comm #6651
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CEGL003255
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accession code: VB.CC.5386.CEGL003255
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6652
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Vitis rotundifolia / Triplasis purpurea - Panicum amarum - Schizachyrium littorale Mid-Atlantic Coastal Medaño Sparse Vegetation
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accession code: VB.CC.35018.CEGL004397
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Southeastern Ecology Working Gro... |
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This association consists of large, shifting dunes (meda15-50 m high in the Mid-Atlantic Coastal Plain of North Carolina. Scattered vegetation is present, particularly woody vines, such as <i>Vitis rotundifolia, Vitis cinerea var. floridana, Campsis radicans</i>, and <i>Parthenocissus quinquefolia</i>. Scattered clumps of pioneer herbs, shrubs, and subshrubs, such as <i>Schizachyrium littorale (= Schizachyrium scoparium ssp. littorale), Panicum amarum, Ammophila breviligulata, Triplasis purpurea, Uniola paniculata, Cenchrus tribuloides, Diodia teres, Chrysopsis gossypina, Prunus serotina</i>, and <i>Hudsonia tomentosa</i> occur in sheltered locations, particularly low on the dune. This community apparently harbors several globally rare invertebrates. Dunes with any substantial vegetation are not classified here. The best remaining examples of this sparse vegetation are Jockey's Ridge and Run Hill (Dare County, North Carolina). Former examples (now stabilized and vegetated) are the Seven Sisters (Currituck County, North Carolina), Kitty Hawk (Dare County, North Carolina), and Bald Head (Brunswick County, North Carolina). These are the highest dunes on the coast of eastern North America. |
Comm #6653
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Quercus virginiana - Quercus hemisphaerica / Ilex vomitoria / Aristida condensata - Panicum amarum var. amarum Forest
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accession code: VB.CC.34840.CEGL004399
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Southeastern Ecology Working Gro... |
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This community occurs on stabilized sand spits along estuarine rivers. It is potentially affected by limited soil development, excessive drainage, and periodic salt disturbance during major storms. The vegetation is a woodland or open forest dominated by <i>Quercus virginiana</i> and <i>Quercus hemisphaerica</i> which are relative short and stunted (5-12 m tall) but not obviously streamlined by salt-spray pruning. Other trees include <i>Juniperus virginiana var. silicicola, Pinus taeda</i>, and <i>Carya glabra</i>. An open understory includes <i>Osmanthus americanus</i> and <i>Persea palustris</i>. A patchy shrub layer is dominated by <i>Ilex vomitoria</i>. Woody vines are abundant, especially <i>Smilax auriculata, Smilax bona-nox</i>, and <i>Vitis rotundifolia</i>. The herb layer is patchy and has moderate cover. Species that dominate in patches include <i>Carex arenaria, Spartina patens, Aristida condensata, Panicum amarum var. amarum, Cladonia</i> spp., and <i>Cladina evansii</i>. The herb layer includes a combination of species shared with maritime grasslands, sandhills, and other open habitats. |
Comm #6654
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Pinus flexilis / Festuca arizonica - Muhlenbergia montana Woodland
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accession code: VB.CC.31694.CEGL005416
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Western Ecology Working Group of... |
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This association is only known from the Sangre de Cristo Range in southern Colorado, but likely is more widespread in the southern Rocky Mountains. Stands occur on colluvial slopes and ridges between 2780 and 3150 m in elevation. Sites are located on warm aspects, southeast through northwest, and on slopes ranging from 6° on a high ridge to 38° on a steep colluvial slope. The ground cover is generally over 50% bare soil, gravel and rock, with about 30% litter and <10% each of basal area and wood (although one sample plot had 76% litter and few rocks). Soils are well-drained and high in sand. Past fires were noted at several plots taken at Great Sand Dunes National Park. Vegetation is characterized by an open tree canopy dominated by <i>Pinus flexilis</i> with an herbaceous understory dominated by graminoids <i>Festuca arizonica</i> and <i>Muhlenbergia montana</i>. The tree strata may have scattered individuals of <i>Pinus ponderosa, Pinus aristata, Pinus edulis, Abies concolor, Pseudotsuga menziesii</i>, or <i>Juniperus scopulorum</i>. Stands on ridgetops or otherwise on the edge of sharp gradients are more prone to mixing. Short shrubs are often present with up to 15% cover, but do not exceed herbaceous cover. Species can include <i>Symphoricarpos</i> spp., <i>Juniperus communis, Ribes cereum, Cercocarpus montanus</i>, and <i>Rosa woodsii</i>. The herbaceous layer is diverse, often supporting more than 30-40 forb and graminoid species. <i>Festuca arizonica</i> and <i>Muhlenbergia montana</i> typically codominate, but one or the other may be absent. Frequently encountered graminoids include <i>Koeleria macrantha, Elymus elymoides, Blepharoneuron tricholepis, Carex siccata (= Carex foenea), Poa fendleriana</i>, and <i>Bromus ciliatus</i>. Forbs found in at least half of the plots include <i>Heterotheca villosa, Packera fendleri, Achillea millefolium var. occidentalis, Eriogonum alatum, Penstemon</i> sp., <i>Artemisia frigida, Potentilla hippiana, Astragalus</i> sp., <i>Castilleja linariifolia, Antennaria parvifolia, Erigeron</i> spp., and <i>Eriogonum jamesii</i>. Other trace species include <i>Artemisia ludoviciana, Arenaria fendleri, Clematis hirsutissima var. scottii, Frasera speciosa, Machaeranthera bigelovii, Oreochrysum parryi, Sedum lanceolatum, Comandra umbellata, Draba smithii, Penstemon linarioides ssp. coloradoensis, Thermopsis</i> sp., and many others. Stands may border or contain inclusions of ~<i>Festuca arizonica - Muhlenbergia montana</i> Herbaceous Vegetation (CEGL001606)$$. |
Comm #6655
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Eleocharis (elongata, equisetoides) - Rhynchospora tracyi Semipermanently Flooded Herbaceous Vegetation
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accession code: VB.CC.36360.CEGL004960
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Southeastern Ecology Working Gro... |
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This broadly defined type represents vegetation of deeper Coastal Plain depressional wetlands, typically dominated by aquatic <i>Eleocharis</i> spp., such as <i>Eleocharis elongata, Eleocharis equisetoides</i> and <i>Eleocharis cellulosa</i>, in the Atlantic Coastal Plain and the East Gulf Coastal Plain. <i>Rhynchospora tracyi</i> may also be present. These depressions can be of various geomorphic origins, including limesinks and interdune swales. Additional geographic types may be developed as more specific information becomes available. |
Comm #6656
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Quercus prinus - Quercus alba / Oxydendrum arboreum / Kalmia latifolia Forest
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accession code: VB.CC.35449.CEGL004415
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Southeastern Ecology Working Gro... |
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This association occurs on steep, typically north-facing bluffs in the Piedmont of the Carolinas, ranging south to Alabama and possibly north to Virginia. The canopy is dominated by <i>Quercus alba, Quercus prinus, Quercus rubra</i>, and <i>Acer rubrum var. rubrum</i>. The subcanopy is strongly dominated by <i>Oxydendrum arboreum</i>. Other canopy and subcanopy trees may include <i>Quercus coccinea, Quercus stellata, Quercus velutina, Cornus florida, Pinus echinata</i>, and <i>Pinus virginiana</i>. The shrub stratum is characteristically dense, and is dominated by <i>Kalmia latifolia</i>; other shrubs may include <i>Symplocos tinctoria, Gaylussacia frondosa (= var. frondosa), Vaccinium stamineum</i>, and <i>Amorpha schwerinii</i>. The herb stratum is sparse and of low diversity, though typical herbs and subshrubs include <i>Epigaea repens, Hexastylis virginica, Chimaphila maculata, Monotropa hypopithys, Schizachyrium scoparium</i>, and <i>Iris verna var. verna</i>. This community occurs on more-or-less steep slopes, over acidic soils (pH 4.2) with low nutrient availability. |
Comm #6657
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CEGL007359
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accession code: VB.CC.7084.CEGL007359
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6658
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V.A.11.C
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accession code: VB.CC.274.VA11C
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EcoArt 2002 |
0
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Comm #6659
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CEGL001168
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accession code: VB.CC.3767.CEGL001168
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6660
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Cercocarpus ledifolius / Pseudoroegneria spicata - Festuca idahoensis Woodland
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accession code: VB.CC.32256.CEGL000968
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Western Ecology Working Group of... |
0
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