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Name
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Reference
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Plots↓
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Description |
Comm #1311
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Toxicodendron diversilobum / Herbaceous Association
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accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28687-{3BFD96A1-CED9-4CB4-A09B-9C92F890CFD4}
NOT CURRENTLY ACCEPTED
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MCV2 |
13
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Comm #1312
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Phemeranthus teretifolius - Minuartia glabra - Diodia teres - Croton michauxii var. ellipticus Flatrock Vegetation
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accession code: urn:lsid:vegbank.org:commConcept:32715-{6D868DD1-6C18-4B29-A8E9-6879512EEBA4}
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NatureServe Biotics 2019 |
13
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This association represents a zonal component of granitic flatrock communities of the Piedmont of Virginia. Characteristic species include the annuals <i>Minuartia glabra, Diodia teres, Hypericum gentianoides, Croton michauxii var. ellipticus</i>, and <i>Bulbostylis capillaris</i>, with the perennial <i>Phemeranthus teretifolius</i>. In addition <i>Cyperus granitophilus, Portulaca smallii, Aristida dichotoma, Panicum philadelphicum, Selaginella rupestris, Opuntia humifusa</i>, and <i>Diamorpha smallii</i> may be found. |
Comm #1313
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Alnus serrulata / Sanguisorba canadensis - Parnassia grandifolia - Helenium brevifolium Seepage Shrubland
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accession code: urn:lsid:vegbank.org:commConcept:32773-{88EEDD60-9A7C-404D-8320-043156A5A542}
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NatureServe Biotics 2019 |
13
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This association is apparently restricted to western Virginia in Grayson and Carroll counties, and in adjacent Allegheny County, North Carolina (degraded example of uncertain placement). A similar type of vegetation occurs on Bluff Mountain in North Carolina. All known occurrences are in seepage areas underlain by hornblende, gabbro, or gneiss at elevations ranging from about 700-1100 m (2400-3500 feet). This community has a mixed physiognomy ranging from shrub thicket to herbaceous. In general it occurs as a shrubland of <i>Alnus serrulata, Spiraea alba var. latifolia, Spiraea tomentosa</i>, and <i>Lyonia ligustrina var. ligustrina</i>. Typically there are a few scattered individuals of <i>Pinus strobus</i> and <i>Acer rubrum</i> but tree cover rarely reaches 10%. The herbaceous layer is relatively continuous and may be quite diverse. Herbaceous species include <i>Glyceria striata, Juncus subcaudatus, Osmunda regalis, Oxypolis rigidior, Viola cucullata, Eleocharis tenuis, Cirsium muticum, Dichanthelium dichotomum, Houstonia caerulea, Oenothera perennis, Sanguisorba canadensis, Parnassia grandifolia, Symphyotrichum novi-belgii, Carex atlantica, Helenium brevifolium, Solidago uliginosa, Calopogon tuberosus, Muhlenbergia glomerata, Schizachyrium scoparium, Xyris torta, Panicum virgatum, Rhynchospora capitellata, Rhynchospora alba</i>, and <i>Selaginella apoda</i>. |
Comm #1314
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Baccharis halimifolia - Iva frutescens - Morella cerifera - (Ilex vomitoria) Saline Shrubland
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accession code: urn:lsid:vegbank.org:commConcept:32776-{0F484D23-84BE-4C53-B33C-478927B713A3}
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NatureServe Biotics 2019 |
13
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This shrubland occurs in slightly elevated areas within salt flats and salt marshes as well as in marsh edges throughout much of the East Gulf, South Atlantic, and Mid-Atlantic coastal plains. This community is usually best developed at the upper limit of non-storm tidal inundation, on natural levees deposited by above-normal tides. The most common species are typically <i>Baccharis halimifolia, Morella cerifera, Iva frutescens ssp. frutescens, Yucca gloriosa, Juniperus virginiana var. silicicola, Lycium carolinianum, Baccharis angustifolia</i>, and <i>Ilex vomitoria</i>. Other species which may be present include <i>Borrichia frutescens, Fimbristylis castanea, Limonium carolinianum</i>, and <i>Solidago sempervirens</i>. |
Comm #1315
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Nymphaea odorata - Nuphar advena - (Nymphoides aquatica, Xyris smalliana) Aquatic Vegetation
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accession code: urn:lsid:vegbank.org:commConcept:33156-{6D3924BA-8405-4C46-BA2A-3896F47AF96E}
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NatureServe Biotics 2019 |
13
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Aquatic zones of deeper-water Coastal Plain limesink ponds dominated by <i>Nymphaea odorata, Nuphar advena</i>, and possibly <i>Nymphoides aquatica</i> and/or <i>Xyris smalliana</i>. Other characteristic species include <i>Utricularia</i> spp. and <i>Myriophyllum laxum</i>. |
Comm #1316
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Nyssa biflora - (Acer rubrum) / Ilex opaca / Leucothoe axillaris / Carex atlantica ssp. capillacea Swamp Forest
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accession code: urn:lsid:vegbank.org:commConcept:33216-{683A4825-5A16-4FC7-8148-F4E8B0EA1CFF}
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NatureServe Biotics 2019 |
13
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This community occurs in floodplain edges of brownwater floodplains in the South Atlantic and Mid-Atlantic Coastal Plains, in situations that are very rarely flooded by alluvial waters, but which receive regular seepage from adjacent upland slopes. The hydrology is constantly saturated, and soils are acidic and organic. The canopy is strongly dominated by <i>Nyssa biflora</i>, with some <i>Acer rubrum, Quercus michauxii, Magnolia virginiana, Liriodendron tulipifera</i>, and <i>Liquidambar styraciflua</i>. The subcanopy has abundant <i>Ilex opaca</i>, with some <i>Acer rubrum</i> and <i>Liquidambar styraciflua</i>. The shrub layer is dominated by <i>Leucothoe axillaris</i>, with <i>Itea virginica, Clethra alnifolia, Persea palustris</i>, and <i>Arundinaria gigantea</i> also present. Woody vines such as <i>Decumaria barbara, Toxicodendron radicans</i>, and <i>Vitis</i> sp. are locally common. The herb layer is well-developed and is dominated by species such as <i>Carex atlantica ssp. capillacea, Carex bromoides ssp. bromoides</i>, and <i>Woodwardia areolata</i>. Other herbs include <i>Boehmeria cylindrica, Osmunda cinnamomea, Osmunda regalis var. spectabilis, Ludwigia palustris, Macbridea caroliniana, Carex leptalea, Platanthera clavellata, Hydrocotyle verticillata var. verticillata</i>, and <i>Mitchella repens</i>. <i>Sphagnum</i> spp. have substantial cover. |
Comm #1317
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Fagus grandifolia - Quercus spp. - Acer rubrum - Juglans nigra Floodplain Forest
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accession code: urn:lsid:vegbank.org:commConcept:33782-{9B8580E4-F8A0-44A2-AFE9-4C06AE3F137B}
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NatureServe Biotics 2019 |
13
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This beech - hardwoods floodplain forest community is found in the central United States and adjacent Canada. Stands occur on high terraces of small stream floodplains. Soils are well-drained and at least partially alluvial in origin, flooding only occasionally. The closed, deciduous tree canopy has a mixed set of species, with few dominants. Typical constants include <i>Acer saccharum, Carya cordiformis, Celtis occidentalis, Fagus grandifolia, Fraxinus americana, Juglans nigra, Liriodendron tulipifera, Quercus rubra, Tilia americana, Ulmus americana</i>, and <i>Ulmus rubra</i> among the more typical upland species, and <i>Acer negundo, Acer rubrum, Acer saccharinum, Fraxinus pennsylvanica</i>, and <i>Platanus occidentalis</i> among the more typical bottomland species. Perhaps the more dominant include <i>Acer saccharum, Fagus grandifolia, Liriodendron tulipifera, Platanus occidentalis</i>, and <i>Ulmus americana</i>. The tall shrubs, subcanopy trees, and vine species include <i>Carpinus caroliniana, Hamamelis virginiana, Lindera benzoin, Parthenocissus quinquefolia</i>, and <i>Toxicodendron radicans</i>. A wide variety of herbaceous species are found. |
Comm #1318
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Cornus sericea - Cornus amomum - Aronia melanocarpa - Viburnum lentago Fen
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accession code: urn:lsid:vegbank.org:commConcept:33853-{FD4F1543-9E29-4484-B2D0-53375941AD66}
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NatureServe Biotics 2019 |
13
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This tall-shrub rich fen community type is found in northeastern Ohio and western Pennsylvania, particularly in the Allegheny region and probably elsewhere in the eastern Great Lakes area of the northeastern United States. Stands are found on moraines, especially where gravels permit calcareous seepage, and occur both in lake basins and stream valleys. Soils are organic, with strongly to weakly minerotrophic woody, saturated peat. Shrubs dominant the stands, with over 50% cover, including both tall (>1 m) and short shrubs (<1 m). Tall shrubs include <i>Alnus incana, Aronia melanocarpa, Betula pumila, Cornus amomum, Cornus sericea, Salix candida, Salix serissima</i>, and <i>Viburnum lentago</i>. Low shrubs include <i>Lonicera oblongifolia, Dasiphora fruticosa ssp. floribunda, Rhamnus alnifolia</i>, and <i>Toxicodendron vernix</i>. More nutrient-poor stands may contain <i>Chamaedaphne calyculata, Gaylussacia baccata, Ilex verticillata</i> and <i>Vaccinium corymbosum</i>. Trees, such as <i>Acer rubrum</i> or <i>Larix laricina</i>, may be present as saplings or stunted trees. Characteristic herbs include the graminoids <i>Carex aquatilis, Carex lacustris, Carex lasiocarpa</i>, and <i>Schoenoplectus acutus</i>, and forbs and ferns, such as <i>Iris versicolor, Osmunda regalis, Sarracenia purpurea</i>, and <i>Thelypteris palustris</i>. Characteristic mosses include <i>Campylium stellatum</i> and <i>Sphagnum warnstorfii</i>, though <i>Sphagnum</i> cover varies from absent to patchy. |
Comm #1319
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Alnus serrulata - Physocarpus opulifolius Wet Shrubland
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accession code: urn:lsid:vegbank.org:commConcept:34898-{530E7B26-8D4B-43CB-91BA-E8614ED53237}
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NatureServe Biotics 2019 |
13
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This community is a floodplain alder thicket of the Central Appalachians, High Alleghenies and Western Allegheny Plateau regions. In the Central Appalachians, these are shrub thickets dominated by <i>Alnus serrulata</i> along rivers and streams on rocky shoals and gravel bars. This shrub thicket of the Western Allegheny Plateau occurs on circumneutral to somewhat calcareous substrates. Soils are generally mineral with a thin organic layer. The vegetation typically occurs in a variety of environmental settings, including upland edge of marshes, adjacent to red maple wetlands, small upland depressions, and at the base of slopes. The canopy is characterized by <i>Alnus serrulata</i> and <i>Physocarpus opulifolius</i>, the latter generally contributing less cover in relation to <i>Alnus</i>. Woody associates include <i>Salix</i> spp., <i>Sambucus nigra ssp. canadensis, Cornus amomum, Rhododendron viscosum, Decodon verticillatus, Cephalanthus occidentalis</i>, or <i>Ilex verticillata</i>. Herbaceous species may include <i>Osmunda regalis, Thelypteris palustris, Typha latifolia, Peltandra virginica</i>, or <i>Carex stricta</i>. |
Comm #1320
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Tsuga canadensis / Rhododendron maximum / Sphagnum spp. Swamp Forest
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accession code: urn:lsid:vegbank.org:commConcept:34926-{26A19EE8-3260-497A-8A96-DF3BBF761D0F}
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NatureServe Biotics 2019 |
13
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This hemlock swamp of the Central Appalachians, southeastern New York and northern New Jersey occurs on saturated acidic muck to imperfectly drained mineral soils in upland valleys, bedrock depressions, low slopes, and adjacent to streams and lakes. Mounds and depressions caused by uprooted trees are typical. The tree canopy is closed or nearly closed and is dominated by <i>Tsuga canadensis</i> with associates including <i>Acer rubrum, Nyssa sylvatica, Pinus strobus</i>, and <i>Betula alleghaniensis</i>. The well-developed shrub layer is strongly dominated by <i>Rhododendron maximum</i>. Other shrubs may include <i>Ilex verticillata, Rhododendron viscosum, Vaccinium corymbosum</i>, and <i>Lindera benzoin</i>. The sparse herb layer includes a variety of sedges such as <i>Carex folliculata, Carex trisperma, Carex intumescens</i>, as well as ferns and forbs such as <i>Osmunda cinnamomea, Thelypteris palustris, Onoclea sensibilis, Maianthemum canadense, Cornus canadensis, Coptis trifolia, Symplocarpus foetidus, Trientalis borealis</i>, and <i>Calla palustris</i>. The bryophyte layer is well-developed and strongly dominated by <i>Sphagnum</i> mosses. Other mosses may include <i>Aulacomnium palustre, Hypnum imponens</i>, and <i>Leucobryum glaucum</i> on drier hummocks. |
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