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Name
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Reference
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Plots↓
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Description |
Comm #481
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Pinus palustris / Quercus marilandica / Vaccinium crassifolium / Aristida stricta Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32472-{261BFB72-6218-4000-B803-8336D2AB0046}
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NatureServe Biotics 2019 |
39
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This community occupies topographically high positions in the Fall-line Sandhills of North Carolina and South Carolina. Plinthite and sandstone outcrops are usually present, as well as reddish clay. An open canopy of <i>Pinus palustris</i> occurs. Typically, <i>Quercus marilandica</i> is the primary scrub oak, though others may be present. Shrubs, subshrubs, and woody vines (some of them indicative of moister soils than the topographic situation would indicate) include <i>Vaccinium crassifolium, Lyonia mariana, Cyrilla racemiflora, Pyxidanthera brevifolia, Galax urceolata, Clethra alnifolia, Kalmia latifolia, Nyssa sylvatica, Symplocos tinctoria, Gaylussacia dumosa, Gelsemium sempervirens</i>, and <i>Vaccinium tenellum</i>. Herbs include <i>Aristida stricta, Tephrosia virginiana</i>, and others. The combination of moist and xeric indicator species is distinctive. |
Comm #482
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Quercus douglasii - Pinus sabiniana / Grass Woodland
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accession code: urn:lsid:vegbank.org:commConcept:36690-{F0FFCD2A-A573-43BD-85A0-0CFC7D826F9A}
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NatureServe Biotics 2019 |
39
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Stands of this woodland are found in central California at low elevations (92-1220 m [300-4000 feet]) on all aspects, primarily on middle to upper slopes with less than 35% steepness, but occasionally found on flat areas. Soil textures range from gravel to clay loam to silt loam from various parent materials. The association is dominated by <i>Quercus douglasii</i> in the overstory tree layer and often contains other abundant or characteristic tree species at lower cover, such as <i>Pinus sabiniana</i>. The understory shrub layer includes <i>Lonicera subspicata var. denudata, Lonicera hispidula var. vacillans, Ceanothus cuneatus, Rhamnus crocea</i>, and <i>Rhamnus ilicifolia</i>. |
Comm #483
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Ammophila breviligulata - Panicum amarum var. amarum Grassland
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accession code: urn:lsid:vegbank.org:commConcept:32889-{D2AA3B01-2D6A-4A76-AB08-FC77B7C7B8D9}
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NatureServe Biotics 2019 |
39
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This community is a maritime dune grassland dominated by <i>Ammophila breviligulata</i> or <i>Panicum amarum var. amarum</i>. This dune grassland occurs almost exclusively on sandy, unstable, droughty substrates with no soil profile development. Eolian processes cause active sand deposition and erosion. The sand substrate is usually visible, and litter accumulation from plant debris is nearly absent. This community generally occurs on foredunes that receive the force of wind and salt spray, but is beyond the influence of most storm tides. It is found on maritime dunes from southern New Jersey (Cape May) south to the Chesapeake Bay, Virginia, as well as on the northern North Carolina coast. Plant cover is variable, ranging from 10-75%, but is usually low. Other associated species include <i>Solidago sempervirens, Artemisia campestris ssp. caudata, Strophostyles helvola, Triplasis purpurea, Cenchrus tribuloides, Chamaesyce polygonifolia, Oenothera humifusa, Schoenoplectus pungens</i> (where overwashed by sand), <i>Diodia teres, Cakile edentula ssp. edentula, Nuttallanthus canadensis, Salsola kali ssp. kali, Lechea maritima, Cyperus grayi</i>, and <i>Spartina patens</i>. Sparse individuals of stunted <i>Morella pensylvanica</i> shrubs and seedlings occur but make up less than 2% of the total vegetation cover. Diagnostic species are <i>Ammophila breviligulata, Solidago sempervirens, Panicum amarum var. amarum</i>, and <i>Oenothera humifusa</i>. |
Comm #484
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Panicum virgatum - Andropogon (capillipes, glaucopsis) - Aristida palustris Marsh
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accession code: urn:lsid:vegbank.org:commConcept:32946-{E00551D9-6012-4305-9F3D-43F6BECBB23B}
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NatureServe Biotics 2019 |
39
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These are drier coastal plain limesink (and other depressional) ponds of the southern Atlantic and East Gulf coastal plains, dominated by <i>Aristida palustris, Andropogon capillipes</i> ("wetland variant"), <i>Andropogon glaucopsis, Andropogon virginicus, Andropogon gyrans var. stenophyllus, Schizachyrium scoparium var. scoparium</i>, and also typically with such species as <i>Saccharum giganteum, Sphagnum</i> spp., and <i>Centella erecta</i>. |
Comm #485
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Tsuga canadensis - Fagus grandifolia - Quercus rubra Forest
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accession code: urn:lsid:vegbank.org:commConcept:34737-{27EBFC07-81C2-45F5-9EF4-EFECE8ABED96}
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NatureServe Biotics 2019 |
39
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This association comprises dry-mesic hemlock-mixed hardwood forests of the northeastern United States. It occurs on dry to dry-mesic, nutrient-poor, well-drained, often stony sandy loams or loamy sands over acidic bedrock. The canopy is a mixture of <i>Tsuga canadensis</i>, with <i>Fagus grandifolia</i> and/or <i>Quercus rubra</i> in variable proportions depending on soil (site) and disturbance characteristics. The overstory can range from mostly coniferous to mostly deciduous; drier sites tend to have more abundant beech or oak, and cooler sites tend to have more abundant hemlock. Associated tree species include <i>Betula lenta</i> (sometimes replaced by <i>Betula papyrifera</i> at the northern end of this type's range), <i>Pinus strobus</i>, and <i>Acer rubrum</i>. Shrubs are often sparse but locally abundant and, in addition to saplings of canopy species, include <i>Hamamelis virginiana, Acer pensylvanicum, Viburnum acerifolium, Kalmia latifolia</i>, and in the south <i>Ilex montana</i>. Though heaths may be present, they are rarely prominent. The herb layer is generally sparse but usually includes several of the following: <i>Mitchella repens, Lycopodium digitatum, Lycopodium obscurum, Lycopodium annotinum, Epifagus virginiana, Gaultheria procumbens, Maianthemum canadense, Trientalis borealis, Medeola virginiana, Aralia nudicaulis, Uvularia sessilifolia, Pteridium aquilinum, Dryopteris intermedia, Monotropa uniflora</i>, and occasionally <i>Lycopodium dendroideum, Coptis trifolia</i>, and <i>Dennstaedtia punctilobula</i>. |
Comm #486
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Quercus alba - Quercus falcata - (Carya pallida) / Gaylussacia frondosa Forest
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accession code: urn:lsid:vegbank.org:commConcept:34916-{DEC80A95-3E08-476A-9D5D-708BAEB69466}
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NatureServe Biotics 2019 |
39
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This oak forest of the unglaciated northeastern Coastal Plain generally occurs on well-drained acidic soils, primarily loamy sands, sandy loams and silty/clay loams. Occasional stands occur on imperfectly drained, alternately wet and dry upland flats with hardpan subsoils. The canopy is dominated by a mixture of oaks, especially <i>Quercus alba, Quercus falcata</i>, and <i>Quercus velutina</i>. Associates include <i>Sassafras albidum, Quercus coccinea, Quercus stellata, Liquidambar styraciflua</i>, and <i>Nyssa sylvatica</i>, with <i>Acer rubrum, Ilex opaca</i>, and <i>Cornus florida</i> often forming a subcanopy. <i>Liriodendron tulipifera</i> may be a canopy component in mature, fire-suppressed stands. Pines such as <i>Pinus taeda, Pinus rigida</i> (in the Inner Coastal Plain of Maryland and the Outer Coastal Plain of the Cape May peninsula in New Jersey), or <i>Pinus virginiana</i> may be present in successional stands. <i>Carya pallida</i> may also be present in the canopy, especially in stands occurring on sandy soils. Other hickories such as <i>Carya tomentosa</i> and <i>Carya glabra</i> are also present in some stands. The shrub layer is well-developed and dominated by the deciduous ericads <i>Gaylussacia frondosa, Gaylussacia baccata, Vaccinium pallidum, Vaccinium stamineum</i>, and occasionally <i>Lyonia mariana</i>. The vines <i>Smilax rotundifolia</i> and <i>Vitis rotundifolia</i> may be important in some stands. The herbaceous layer is generally sparse and characterized by dry-site species such as <i>Pteridium aquilinum, Cypripedium acaule, Chimaphila maculata</i>, and <i>Gaultheria procumbens</i>. |
Comm #487
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Liriodendron tulipifera / (Cercis canadensis) / (Lindera benzoin) Ruderal Forest
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accession code: urn:lsid:vegbank.org:commConcept:35491-{779EC64C-A201-4CFF-907A-4F6FA7336C09}
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NatureServe Biotics 2019 |
39
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This ruderal or successional community dominated by <i>Liriodendron tulipifera</i> occurs in the Ridge and Valley of Tennessee and Virginia, the Interior Low Plateau of Kentucky, and the Central Appalachians, Piedmont and Inner Coastal Plain regions of Virginia, West Virginia, Pennsylvania, and Maryland. Plots attributable to this type are also known from the Piedmont of Georgia. It may also occur in similar regions of Delaware. It is distinguished from other upland communities dominated by <i>Liriodendron tulipifera</i> by the presence of species associated with soils with moderately high base saturation levels (rich soils). Species found in stands attributable to this type may be fairly diverse and result in a varied composition. In addition to <i>Liriodendron tulipifera</i>, other canopy species may include <i>Liquidambar styraciflua, Acer saccharum, Aesculus flava, Platanus occidentalis, Quercus rubra, Acer rubrum, Robinia pseudoacacia, Juglans nigra, Halesia tetraptera, Fraxinus americana, Fagus grandifolia, Magnolia acuminata, Ulmus rubra, Quercus imbricaria, Quercus muehlenbergii</i>, and <i>Carya ovata</i>. Species often found in the subcanopy include <i>Acer saccharum, Cercis canadensis, Ulmus alata, Fraxinus americana, Morus rubra</i>, and <i>Cornus florida</i>. Shrubs include saplings of the subcanopy and canopy species, as well as <i>Lindera benzoin, Symphoricarpos orbiculatus, Asimina triloba, Staphylea trifolia, Acer negundo</i>, and <i>Juniperus virginiana var. virginiana</i>. Exotic shrubs, including <i>Rosa multiflora, Rubus phoenicolasius</i>, and <i>Lonicera japonica</i>, are present at some sites. Herb-layer species include the exotics <i>Microstegium vimineum, Alliaria petiolata</i>, and <i>Veronica hederifolia</i>, as well as <i>Toxicodendron radicans, Parthenocissus quinquefolia, Smilax tamnoides, Actaea racemosa, Caulophyllum thalictroides, Laportea canadensis, Impatiens pallida, Hydrophyllum canadense, Adiantum pedatum, Polygonatum pubescens, Verbesina alternifolia, Amphicarpaea bracteata</i>, and <i>Polystichum acrostichoides</i>. |
Comm #488
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Curl-leaf Mountain-mahogany Shrubland Alliance
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accession code: VB.cc.29983.CURLLEAFMOUNTAI
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NVC 2004 |
38
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Comm #489
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Adenostoma fasciculatum - Quercus berberidifolia Shrubland
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accession code: VB.CC.37376.CEGL003522
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38
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This shrubland association occurs on gentle to steep slopes of variable aspect at low elevations between 299 and 764 m. It is dominated by <i>Adenostoma fasciculatum</i> and <i>Quercus berberidifolia</i> in the shrub layer, with a sparse herbaceous layer. The emergent tree layer includes <i>Quercus agrifolia</i>. |
Comm #490
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PINUS FLEXIS ALLIANCE
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accession code: VB.CC.9387.PINUSFLEXISALLI
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Jennings 2003. Vegetation alliances: composition and function. |
38
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