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Reference
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Description |
Comm #13291
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Quercus virginiana - (Ilex vomitoria) Shrubland
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accession code: VB.CC.35380.CEGL003833
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Southeastern Ecology Working Gro... |
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This community is a salt-pruned maritime shrubland of the Mid-Atlantic Coastal Plain, generally 0.5-3 m tall, with a single, extremely dense stratum, with <i>Quercus virginiana</i> dominant, and sometimes codominated by <i>Ilex vomitoria</i>. Other species may include <i>Smilax auriculata, Gelsemium sempervirens, Smilax bona-nox, Persea borbonia, Zanthoxylum clava-herculis, Pinus taeda, Juniperus virginiana var. silicicola</i>, and <i>Sabal palmetto</i>. At the northern range limit in Virginia, <i>Sabal palmetto, Smilax auriculata</i>, and <i>Persea borbonia</i> are absent, and <i>Ilex vomitoria</i> is less common, while <i>Morella pensylvanica</i> is characteristic. Other associates at the northern range limit include <i>Spartina patens, Cyperus grayi, Lechea maritima var. maritima</i>, and others characteristic of nearby dune grasslands. |
Comm #13292
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A.1024
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accession code: VB.CC.796.A1024
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Tidal freshwater, or perhaps also oligohaline, shrublands dominated by ~Alnus serrulata$ and/or ~Alnus incana$. In some examples one or both of these may be characteristically dominant or nearly so. Other examples may be more semi-open with a mixed canopy of ~Alnus$ with other shrubs such as ~Cornus amomum, Rosa palustris$, and ~Ilex verticillata$. Other woody plants which may be present include ~Sambucus canadensis, Salix$ spp., ~Amorpha fruticosa, Cephalanthus occidentalis$, and ~Toxicodendron radicans$. More northern examples may contain ~Viburnum recognitum$ and ~Spiraea alba var. latifolia (= Spiraea latifolia)$. This alliance occurs along tidal freshwater reaches of rivers. One association is recognized along the south Atlantic Coast to South Carolina and possibly elsewhere. This can occur as a fringing shrubland, zonal between ~Zizania aquatica$ tidal marshes and tidal cypress - gum forests. Less commonly it occupies large patches in freshwater marshes. Other species characteristic of tidal situations often occur, including ~Rosa palustris$ and ~Zizania aquatica$. Another association is recognized in coastal areas with tidally influenced river systems from Maine to Virginia. Flood waters are typically slightly acid (pH less than 5) and soils are usually mineral without significant peat deposits. In these examples, ~Carex stricta$ may also be present and there is a great deal of micro-relief (tussocks and furrows) leading to high species diversity. Some shrub associates include ~Decodon verticillatus$ and ~Toxicodendron vernix$; some herbaceous associates are ~Osmunda regalis, Thelypteris palustris, Galium$ spp., ~Typha latifolia, Peltandra virginica, Mikania scandens, Symphyotrichum novi-belgii (= Aster novi-belgii), Boehmeria cylindrica, Impatiens capensis, Triadenum walteri, Asclepias incarnata, Carex emoryi, Carex atlantica ssp. atlantica (= Carex incomperta), Eriophorum virginicum, Platanthera clavellata$, and ~Xyris torta$. |
Comm #13293
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Arundinaria gigantea ssp. tecta Shrubland
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accession code: VB.CC.36215.CEGL003843
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Southeastern Ecology Working Gro... |
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This association consists of wetlands, including Coastal Plain peat domes, and stream flats and saturated slopes in the Fall-line Sandhills, dominated by <i>Arundinaria gigantea ssp. tecta</i>, either without an overstory, or with widely scattered trees such as <i>Nyssa biflora, Pinus serotina</i>, and <i>Liriodendron tulipifera</i>. Herbs and other shrubs may be found in openings in stands, particularly after episodes of fire. |
Comm #13294
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Coleogyne ramosissima Sparse Shrubland
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accession code: VB.CC.31915.CEGL003834
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Western Ecology Working Group of... |
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This sparse shrubland occurs in canyonlands of the Colorado Plateau in southeastern Utah on canyon rims and valley bottoms. Canyon rim sites slope gently to the southwest at 1442 m elevation. The sampled valley bottom site slopes moderately (25%) to the northwest at 1366 m elevation. The unvegetated surface is often more than 95% of the community and consists primarily of bedrock or gravel, with lesser cover by bare soil and litter. Soils are rapidly drained sandy loams, loamy sands, or sands. This rare blackbrush association has total vegetation cover of less than 5%, limited by poor growing conditions or a lack of rooting substrate in bedrock-dominated sites. The canopy consists of scattered <i>Coleogyne ramosissima</i>, usually accompanied by <i>Ephedra torreyana, Artemisia bigelovii, Gutierrezia sarothrae, Yucca angustissima</i>, and <i>Opuntia polyacantha</i>. The herbaceous layer contributes little to the community in terms of either diversity or cover. <i>Pleuraphis jamesii, Aristida purpurea, Bromus tectorum, Chamaesyce fendleri, Tetraneuris acaulis (= Hymenoxys acaulis), Amsonia tomentosa, Mirabilis linearis, Salsola tragus, Heterotheca villosa</i>, and <i>Comandra umbellata</i> are the most commonly reported species. |
Comm #13295
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Ligustrum sinense Temporarily Flooded Shrubland
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accession code: VB.CC.33407.CEGL003837
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Southeastern Ecology Working Gro... |
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This association comprises wetland bottomlands heavily infested with the exotic <i>Ligustrum sinense</i>. |
Comm #13296
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CEGL008318
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accession code: VB.CC.7659.CEGL008318
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EcoArt 2002 |
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Comm #13297
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Diervilla lonicera - Solidago simplex var. randii - Deschampsia flexuosa - Hylotelephium telephioides - Saxifraga michauxii Herbaceous Vegetation
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accession code: VB.CC.18406.DIERVILLALONICE
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Fleming, G. P., and P. P. Coulli... |
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This association is known only from a few high-elevation mafic rock outcrops in the northern Virginia Blue Ridge. All known sites are located in Shenandoah National Park. This community type is associated with exposed rocky summits and upper slope outcrops of Catoctin Formation metabasalt (greenstone) at elevations from 900-1200 m (3000-4000 feet). Slope shape is typically convex in at least one direction, and aspect varies from west to north. The vegetation is characterized by a patchwork of shrub thickets (typically <25% cover), herbaceous mats (typically <40% cover), and crustose lichen colonies on exposed rock surfaces. The most frequent woody species include extremely stunted, wind-blasted specimens of the trees Betula alleghaniensis and Sorbus americana; characteristic shrubs and woody vines are Diervilla lonicera, Physocarpus opulifolius, Prunus pensylvanica, Prunus virginiana, Kalmia latifolia, and Smilax tamnoides. Deschampsia flexuosa and Solidago simplex var. randii are usually the dominant herbaceous species. |
Comm #13298
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CEGL003409
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accession code: VB.CC.5465.CEGL003409
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Comm #13299
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A.1165
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accession code: VB.CC.940.A1165
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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This alliance consists of calcareous wetlands characterized by, and dominated or codominated by, ~Schoenus nigricans$. |
Comm #13300
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CEGL003911
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accession code: VB.CC.5733.CEGL003911
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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