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Description |
Comm #7961
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Platanus occidentalis - Liquidambar styraciflua - (Ulmus americana) / (Crataegus viridis) Forest
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accession code: VB.CC.34951.CEGL007335
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Southeastern Ecology Working Gro... |
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This floodplain forest of the Upper East and West Gulf coastal plains has a canopy dominated by <i>Platanus occidentalis</i> and <i>Liquidambar styraciflua</i>. Examples may be found on stabilized natural levees, point bars and first bottoms of large streams and rivers. Depending upon location and previous disturbance history (including hydrologic regime), a number of other tree species may also be present in lesser amounts. These may include <i>Ulmus americana, Carya illinoinensis, Nyssa biflora, Celtis laevigata, Populus deltoides, Quercus nigra, Salix nigra, Fraxinus pennsylvanica, Betula nigra, Acer negundo</i>, and <i>Carya aquatica</i>. Shrubs are sparse to moderately dense in this community with covers ranging from 10-40%. Species may include <i>Crataegus viridis, Ilex decidua, Lindera benzoin, Carpinus caroliniana</i>, and <i>Aesculus pavia var. pavia</i>. Characteristic herbs include <i>Elymus hystrix, Boehmeria cylindrica, Chasmanthium latifolium</i>, and <i>Viola</i> spp. Patches of <i>Arundinaria gigantea</i> can be common in this community. |
Comm #7962
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Platanus occidentalis - Fraxinus pennsylvanica - Quercus imbricaria Forest
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accession code: VB.CC.35597.CEGL007339
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Southeastern Ecology Working Gro... |
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This association was described from Cades Cove, a limestone window at 518 m (1700 feet) elevation in Great Smoky Mountains National Park. The description may need substantial revision with additional information. Similar vegetation could be found in Kentucky, Indiana, Illinois, or Missouri. This community occurs on broad flats along streams, within a landscape of pastures and fields. It is impacted by cattle grazing. The forest has a closed canopy dominated by <i>Platanus occidentalis, Acer negundo var. negundo, Acer rubrum var. trilobum, Liriodendron tulipifera</i>, and <i>Quercus imbricaria</i>. In some areas the canopy is dominated by <i>Quercus imbricaria</i> and <i>Prunus serotina</i>, and in other areas it may be dominated by <i>Juglans nigra</i> or <i>Juglans cinerea</i>. The subcanopy stratum is sparse and primarily composed of canopy species. The shrub stratum is sparse. The herb layer includes <i>Boehmeria cylindrica, Impatiens pallida, Verbesina alternifolia, Phacelia purshii, Packera aurea (= Senecio aureus), Carex intumescens, Iris</i> spp., and <i>Carex</i> spp. This alluvial forest can contain seasonally wet inclusions dominated by <i>Juncus effusus, Panicum</i> sp., and <i>Festuca</i> sp. |
Comm #7963
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CEGL003916
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accession code: VB.CC.5738.CEGL003916
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Comm #7964
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Bursera simaruba - Swietenia mahagoni - Lysiloma latisiliquum / Nectandra coriacea - Coccoloba diversifolia Forest
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accession code: VB.CC.27692.BURSERASIMARUBA
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Southeastern Ecology Working Gro... |
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This association represents south Florida inland hardwood hammocks which were apparently first studied by Harper (1927) and Davis (1943). Examples are dominated by a diverse mixture of hardwood species with tropical affinities; the exact composition varies locally between individual hammocks, and especially between hammocks in three discrete regions of Florida (the Keys, southeastern Big Cypress, and the Miami Rock Ridge). At least 10 or 12 species may occur in roughly equal proportions in the canopy, but the density of the species may be dramatically affected by the successional status of the hammock. Among the species which may be encountered are Bursera simaruba, Ficus aurea (more common in maritime hammocks), Swietenia mahagoni, Lysiloma latisiliquum, Chrysophyllum oliviforme, Acoelorraphe wrightii, Quercus virginiana, Quercus laurifolia, Sabal palmetto, Sideroxylon salicifolium, Simarouba glauca, Coccoloba diversifolia, Metopium toxiferum, Nectandra coriacea (= Ocotea coriacea), and Sideroxylon foetidissimum (more common in maritime hammocks). Myrcianthes fragrans and Eugenia axillaris are typical understory species. Common shrubs are Schoepfia schreberi, Ardisia escallonoides, Tetrazygia bicolor, Randia aculeata, Erythrina herbacea, Rivina humilis, Psychotria tenuifolia (= Psychotria sulzneri), and Psychotria nervosa. Herbs and ferns include Anemia adiantifolia, Anemia wrightii, Nephrolepis exaltata, Thelypteris augescens, Oncidium floridanum, Habenaria odontopetala, and Campyloneurum phyllitidis. Epiphytes are abundant and diverse, and include Tillandsia utriculata, Tillandsia fasciculata, Tillandsia balbisiana, Tillandsia variabilis, Tillandsia setacea, Pleopeltis polypodioides ssp. michauxiana, Phlebodium aureum, Vittaria lineata, and Encyclia tampensis. Soils are shallow (less than 30 cm deep), and consist of litter and calcareous sand over limestone. |
Comm #7965
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Populus tremuloides - Pseudotsuga menziesii / Symphoricarpos oreophilus Forest
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accession code: VB.CC.27770.POPULUSTREMULOI
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Western Ecology Working Group of... |
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Comm #7966
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Rhizophora mangle - Taxodium distichum - Metopium toxiferum / Chrysobalanus icaco / Apteria aphylla Forest
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accession code: VB.CC.36543.CEGL007454
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Hilsenbeck, C. E., R. H. Hofstet... |
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This bayhead community occurs in the Taylor Slough portion of the Everglades region of southern Florida. It is characterized by a mixture of temperate and tropical species. When compared with the related bayhead forest associated with Shark River Slough, this type has greater canopy closure and species richness, including a stronger tropical floristic component. Canopy species frequently present in this type (but lacking from CEGL007015) include <i>Rhizophora mangle, Taxodium distichum, Conocarpus erectus, Metopium toxiferum</i>, and <i>Sabal palmetto</i>. Typical shrub species include <i>Eugenia axillaris, Eugenia foetida</i>, and <i>Sideroxylon reclinatum</i>. The understory overlaps considerably with other bayhead forests of the region, but more commonly supports <i>Apteria aphylla</i>. |
Comm #7967
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Ipomoea pes-caprae - Cakile lanceolata Herbaceous Vegetation
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accession code: VB.CC.22684.IPOMOEAPESCAPRA
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Southeastern Ecology Working Gro... |
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Perennial- and annual-dominated sand flats on upper ocean beaches, within the reach of storm tides and extreme lunar tides. Stands are dominated by Ipomoea pes-caprae and Cakile lanceolata. Other characteristic species include Chamaesyce mesembrianthemifolia, Sporobolus virginicus, Paspalum vaginatum, Suaeda linearis, and Sesuvium portulacastrum. In southeastern Florida this community also includes the trailing forbs, Okenia hypogaea and Alternanthera maritima. |
Comm #7968
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CEGL007237
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accession code: VB.CC.7039.CEGL007237
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Comm #7969
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Quercus pagoda - Quercus nigra / Halesia diptera - Ilex decidua / Chasmanthium sessiliflorum - Dicliptera brachiata Forest
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accession code: VB.CC.35417.CEGL007354
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Southeastern Ecology Working Gro... |
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This forest occurs on terraces, and possibly second bottoms, of creeks and small brownwater rivers of the coastal plains of the southeastern United States (South Atlantic, East Gulf, and Upper East Gulf). Flooding is annual, but the water table usually is well below the soil surface throughout most of the growing season. The canopy of this creek and small river bottomland forest is dominated by some combination of <i>Quercus pagoda, Quercus nigra, Liquidambar styraciflua, Quercus michauxii, Pinus taeda</i>, and <i>Quercus laurifolia</i>. Other canopy species include <i>Ulmus alata, Ulmus americana, Quercus lyrata, Fraxinus americana, Celtis laevigata, Liquidambar styraciflua</i>, and others. Examples from Oaky Woods Wildlife Management Area in Houston County, Georgia, can include <i>Quercus sinuata</i>. The subcanopy is well-developed and contains species such as <i>Carpinus caroliniana, Halesia diptera, Cornus florida, Acer rubrum, Ilex opaca var. opaca, Carya laciniosa, Morus rubra, Acer rubrum var. trilobum, Cercis canadensis</i>, and <i>Acer barbatum</i>. The diverse and variable shrub layer may contain <i>Symplocos tinctoria, Euonymus americanus, Ilex decidua, Aralia spinosa, Alnus serrulata, Halesia diptera, Hamamelis virginiana, Crataegus marshallii, Lindera benzoin, Nyssa sylvatica, Fraxinus pennsylvanica, Asimina triloba, Forestiera ligustrina, Diospyros virginiana</i>, and <i>Rubus argutus</i>. In addition, <i>Sabal minor</i> and/or <i>Rhapidophyllum hystrix</i> may be in some stands and can be the dominant shrub. Woody vines may include <i>Toxicodendron radicans, Bignonia capreolata, Berchemia scandens, Campsis radicans, Gelsemium sempervirens, Vitis rotundifolia, Smilax bona-nox, Smilax rotundifolia</i>, and <i>Cocculus carolinus</i>. The sparse to moderately well-developed herbaceous stratum contains species such as <i>Apios americana, Arundinaria gigantea, Boehmeria cylindrica, Botrychium dissectum, Commelina virginica, Carex</i> spp., <i>Chasmanthium latifolium, Chasmanthium sessiliflorum, Dichanthelium</i> sp., <i>Dicliptera brachiata, Elephantopus carolinianus, Polygonum virginianum, Passiflora lutea</i>, and <i>Mitchella repens</i>. |
Comm #7970
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CEGL003920
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accession code: VB.CC.5741.CEGL003920
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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