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Comm #7151	Quercus prinus - Quercus (alba, falcata, rubra, velutina) Forest Alliance » more details accession code: VB.CC.18207.QUERCUSPRINUSQU	Southeastern Ecology Working Gro...	0	Dry-mesic to mesic forests dominated by Quercus prinus occurring in admixture with other Quercus species, in the Blue Ridge, Piedmont, Ridge and Valley, Cumberland Plateau, and the Interior Low Plateau. Quercus prinus is the leading dominant in these forests, but other common canopy species can include Quercus alba, Quercus coccinea, Quercus falcata, Quercus rubra, Quercus velutina, Acer rubrum, Carya alba, Carya glabra, Carya ovalis, Carya ovata, Carya pallida, Fagus grandifolia, Liriodendron tulipifera, Nyssa sylvatica, and Pinus strobus. The subcanopy often contains Cornus florida and Oxydendrum arboreum. Drier examples can contain Juniperus virginiana var. virginiana. Other common species in the subcanopy/shrub stratum include Acer rubrum, Carya glabra, Cercis canadensis, Hamamelis virginiana, Kalmia latifolia, Nyssa sylvatica, Rhododendron calendulaceum, Rhododendron maximum, Robinia pseudoacacia, Stewartia ovata, Symplocos tinctoria, Vaccinium stamineum, and Viburnum acerifolium. The ground flora varies depending on available light, moisture, and soil nutrients but can be quite diverse, especially in associations with sparse shrub cover. Herbaceous species characteristic of these dry-mesic to mesic oak - hickory forests include Symphyotrichum cordifolium (= Aster cordifolius), Symphyotrichum retroflexum (= Aster curtisii), Eurybia macrophylla (= Aster macrophyllus), Symphyotrichum undulatum (= Aster undulatus), Botrychium virginianum, Carex nigromarginata, Chimaphila maculata, Actaea racemosa (= Cimicifuga racemosa), Collinsonia canadensis, Coreopsis major, Cypripedium parviflorum var. pubescens (= Cypripedium pubescens), Danthonia compressa, Danthonia spicata, Dioscorea villosa, Epigaea repens, Eupatorium album, Eupatorium purpureum, Galax urceolata, Galium triflorum, Houstonia purpurea (= Hedyotis purpurea), Hieracium venosum, Iris cristata, Maianthemum racemosum, Medeola virginiana, Melanthium parviflorum, Polystichum acrostichoides, Prenanthes altissima, Pycnanthemum incanum, Scutellaria ovata, Tephrosia virginiana, Uvularia perfoliata, and Uvularia puberula. Vines are common and species that may be present include Parthenocissus quinquefolia, Smilax spp., and Toxicodendron radicans. In the Cumberland Plateau, forests in this alliance have replaced forests once dominated by Castanea dentata and often have chestnut sprouts in the understory. Forests in this alliance are known from moderately sheltered low ridges, flats, and valleys at lower elevations (762-1036 m; 2500-3400 feet) in the Blue Ridge and from upper slopes, draws, and gorge slopes in the Cumberland Plateau, and from upper to middle, dry-mesic slopes in the Piedmont. This alliance provisionally includes forests over limestone in the lower portions of the Ridge and Valley.
Comm #7152	Pinus rigida - (Pinus echinata) / Quercus (marilandica, ilicifolia) / Vaccinium pallidum Woodland » more details accession code: VB.CC.31339.CEGL006383	Eastern Ecology Working Group of...	0	This mid-successional pitch pine woodland occurs in the New Jersey Pine Barrens, with small outliers in New York. Pines are dominant, but the characteristic presence of tree oaks (<i>Quercus alba, Quercus coccinea, Quercus velutina, Quercus prinus, Quercus stellata</i>) forming up to 35% of the canopy is an indication of a fire frequency that is less than that of the classic pine barrens type <i>~Pinus rigida / Quercus (marilandica, ilicifolia) / Pyxidanthera barbulata</i> Woodland (CEGL006051)$$. The presence of a well-developed shrub oak layer (<i>Quercus ilicifolia, Quercus marilandica</i>, sometimes <i>Quercus prinoides)</i> indicates a fire frequency greater than that of oak-dominated forests of the New Jersey Pinelands and environs. The ground layer is characterized by heaths, generally <i>Vaccinium pallidum</i> and <i>Gaylussacia baccata</i>. Herbs are sparse and may include <i>Gaultheria procumbens, Pteridium aquilinum</i>. <i>Pinus virginiana</i> may contribute significant cover in areas affected by soil disturbance, such as agriculture, bulldozer scrapes, and sand mining.
Comm #7153	Pinus rigida / Gaylussacia dumosa / Calamovilfa brevipilis Woodland » more details accession code: VB.CC.31299.CEGL006388	Eastern Ecology Working Group of...	0	Pitch pine saturated woodland known to date only from the New Jersey Pine Barrens. The community is characterized by an open canopy (10-50%) of <i>Pinus rigida</i> with a scattered shrub layer characterized by <i>Gaylussacia dumosa</i>, in association with <i>Gaylussacia baccata, Kalmia angustifolia, Ilex glabra, Vaccinium corymbosum, Chamaedaphne calyculata</i>. <i>Sphagnum</i> mosses are common. The herbaceous is characterized by high cover of <i>Calamovilfa brevipilis</i>. Associated herbs are varied in cover and frequency, but may include <i>Andropogon glomeratus, Gentiana autumnalis, Muhlenbergia torreyana, Amphicarpum purshii</i>. The rare lepidoptera <i>Agrotis buchholzi, Spartiniphaga carterae, Crambus daeckellus</i> are associated with this community.
Comm #7154	Alnus serrulata Saturated Appalachian-Piedmont Shrubland » more details accession code: VB.CC.34732.CEGL007062	Southeastern Ecology Working Gro...	0	This type represents saturated vegetation dominated by <i>Alnus serrulata</i> from the Piedmont and Appalachian ecoregions of the southeastern United States. Stands are dominated by <i>Alnus serrulata</i>. In West Virginia, additional shrubs with less cover include <i>Cornus amomum, Rosa palustris, Ilex verticillata</i>, and <i>Spiraea alba</i>. There is usually high cover in the herb layer dominated by wetland indicators, including <i>Leersia oryzoides, Boehmeria cylindrica, Onoclea sensibilis, Scutellaria lateriflora, Glyceria striata, Polygonum sagittatum, Chelone glabra, Cinna arundinacea, Galium tinctorium, Impatiens capensis, Symplocarpus foetidus, Carex stricta, Carex gynandra, Osmunda regalis, Sagittaria latifolia</i>, and <i>Scirpus cyperinus</i>.
Comm #7155	CEGL008026 » more details accession code: VB.CC.7561.CEGL008026 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #7156	Schoenoplectus pungens - Eleocharis parvula Herbaceous Vegetation » more details accession code: VB.CC.31235.CEGL006398	Eastern Ecology Working Group of...	0	This association encompasses the brackish marshes of coastal salt ponds of the northeastern Atlantic Coast. Coastal salt ponds are ponds separated from the ocean by a barrier beach. They generally form when a lagoon or bay is closed off from regular tidal flooding by a sand spit or other barrier. Salinity depends on the length of time since enclosure of the lake/pond; freshwater input from precipitation and overland flow dilutes the enclosed seawater resulting in meso- to oligohaline conditions. Depending on the distance from the ocean, saltwater input is infrequent and a result of tidal breaches or storm overwash, although there can be some saltwater seepage across the barrier beach. Shorelines usually have gentle slopes that magnify gradients of salinity and saturation. Depending on local water balance, ponds can draw down to a certain degree exposing mud or sand flats. Substrate ranges from sand to mud to peat. Vegetation of coastal salt ponds is highly variable both spatially and temporally given the variable nature of the habitat and processes affecting it. Although not constant, vegetation zonation often occurs along shores of coastal salt ponds along gradients of salinity and flooding or saturation. Dominant species can be variable depending on local conditions but are generally characterized by <i>Schoenoplectus pungens, Eleocharis parvula</i>, and/or <i>Spartina patens, Spartina pectinata</i>, or <i>Panicum virgatum</i>. Where salinity is less <i>Typha angustifolia</i> can be common. Mudflat habitat can develop in lower areas that tend to be exposed later in the season with <i>Eleocharis parvula, Eleocharis halophila, Eleocharis flavescens, Schoenoplectus maritimus, Crassula aquatica, Spergularia salina (= Spergularia marina), Cyperus filicinus</i>, or others. In higher zones, vegetation can be similar to high salt marsh habitat; <i>Panicum virgatum, Spartina patens</i>, or <i>Spartina pectinata</i> can be characteristic, plus <i>Schoenoplectus smithii, Echinochloa walteri, Cladium mariscoides, Distichlis spicata</i>, or <i>Chenopodium</i> spp. Species found farther south include <i>Ptilimnium capillaceum, Pluchea odorata, Schoenoplectus americanus, Hibiscus moscheutos</i>, plus scattered individuals of <i>Iva frutescens</i> or <i>Baccharis halimifolia</i>. Ponds often support aquatic plants that are tolerant of brackish/saline conditions, such as <i>Ruppia maritima, Stuckenia pectinata (= Potamogeton pectinatus), Potamogeton perfoliatus</i>, or <i>Zannichellia palustris</i>, plus some marine algal species. Several associations may be warranted in these highly variable systems; collection of further data will likely support the division of more associations.
Comm #7157	Pinus ponderosa / Carex inops ssp. heliophila Woodland » more details accession code: VB.CC.22490.PINUSPONDEROSAC	Western Ecology Working Group of...	0	This ponderosa pine / sedge woodland community type is found in the Black Hills region, adjacent Great Plains and northern Rocky Mountain front range. Stands occur in the most mesic of the habitat types with a graminoid-dominated ground layer. They are generally found on moderate south- and west-facing slopes in the western Dakotas, and eastern parts of Wyoming and Montana. The community is dominated by Pinus ponderosa with occasional Juniperus scopulorum and Quercus macrocarpa in the subcanopy. Shrubs are relatively uncommon in this type. The herbaceous layer is dominated by Carex inops ssp. heliophila, with inclusions of Danthonia spicata, Schizachyrium scoparium, and Pseudoroegneria spicata, generally in areas with more open canopies.
Comm #7158	Acer platanoides Ruderal Forest » more details accession code: VB.CC.31004.CEGL006407	Eastern Ecology Working Group of...	0	This association represents forests in the northeastern United States strongly dominated by the invasive tree <i>Acer platanoides</i>, often to the exclusion of virtually all other canopy species. Most documented stands are at low elevations, on flat or rolling topography both above and below the glacial boundary. <i>Acer platanoides</i> is the overwhelmingly dominant tree, typically forming a closed or nearly closed canopy. In some stands native trees, including <i>Fraxinus americana</i> and <i>Acer saccharum</i> (the latter especially susceptible to exclusion by Norway maple), may be present in very limited amounts. Other stands may have non-native associates, including <i>Pinus nigra, Pinus sylvestris</i>, or <i>Robinia pseudoacacia</i>. The deep shade cast by <i>Acer platanoides</i> limits understory growth, aside from regeneration of <i>Acer platanoides</i>, or incursions by non-native shrubs such as <i>Rosa multiflora, Berberis vulgaris, Lonicera japonica</i>, or <i>Lonicera morrowii</i>. Native herbs are few, especially compared to more natural deciduous forests in similar settings. A few native or exotic herbaceous species or vines may occupy the ground layer, such as <i>Alliaria petiolata, Eurybia divaricata (= Aster divaricatus), Toxicodendron radicans</i>, and <i>Vinca minor</i>. This is a very species-poor vegetation type.
Comm #7159	Onoclea sensibilis - (Adiantum pedatum) - Impatiens capensis - Carex plantaginea Herbaceous Vegetation » more details accession code: VB.CC.30988.CEGL006409 NOT CURRENTLY ACCEPTED	Eastern Ecology Working Group of...	0	These small seepage wetlands occur as pockets or narrow linear patches within northern hardwood forests where seepage waters create saturated and mineral-rich conditions. Streamheads and lower slopes are typical settings, and the ground surface is usually gently sloping. Though generally shaded by the overhanging forest canopy, this association is defined by the herbaceous vegetation which is distinctly different from the herb and shrub layers in the surrounding forest. Shrub cover is generally low, and herb cover is lush (typically in the range of 60-85%). Bryophytes may be present but are often patchy. Herb composition is variable depending on the nutrient status of the soil and seepage water. Ferns, such as <i>Onoclea sensibilis, Athyrium filix-femina</i>, and <i>Matteuccia struthiopteris</i>, may be prominent. <i>Impatiens capensis</i> and <i>Arisaema triphyllum</i> are typical forb species. On the more enriched sites, <i>Adiantum pedatum, Hydrophyllum virginianum, Impatiens pallida, Milium effusum, Carex platyphylla</i>, and/or <i>Carex plantaginea</i> may be present. Other species commonly recorded from this vegetation are <i>Carex scabrata, Carex debilis, Polystichum acrostichoides, Glyceria striata, Solidago caesia</i>, and <i>Ageratina altissima (= Eupatorium rugosum)</i>.
Comm #7160	CEGL006038 » more details accession code: VB.CC.6618.CEGL006038 NOT CURRENTLY ACCEPTED	EcoArt 2002	0