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Name
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Reference
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Plots↓
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Description |
Comm #1791
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Alnus oblongifolia Temporarily Flooded Woodland Alliance
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accession code: VB.cc.29815.ALNUSOBLONGIFOL
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NVC 2004 |
8
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Comm #1792
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Juniperus virginiana - Fraxinus americana / Danthonia spicata - Poa compressa Woodland
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accession code: urn:lsid:vegbank.org:commConcept:34653-{5270878F-DF98-498B-9437-B6DE573536A5}
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NatureServe Biotics 2019 |
8
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This traprock ridge open woodland is known from mountainous sites in New England, New Jersey, and Pennsylvania, and may occur in southeastern New York. The vegetation occurs primarily on exposed outcrops of basaltic rock in the Connecticut Valley of New England and the Piedmont physiographic province in New Jersey. While most sites are on igneous rock, along the Kittatinny Ridge in Pennsylvania and New Jersey, it occurs on conglomerates of the Shawangunk Formation. Sites supporting this community are upper slopes of basalt, diorite, or conglomerate ridges from 365-1050 m elevation, characteristically south- or west-facing and range in slope from 5-30°. Most sites have minimal soil development. Tree cover is sparse, ranging from 5-30% cover (average 20%) with <i>Juniperus virginiana</i> being the most constant canopy tree. Other woody species sometimes present include <i>Fraxinus americana, Quercus rubra, Quercus montana, Ostrya virginiana</i>, and <i>Carya glabra</i>. The actual canopy composition reflects, to some extent, the surrounding forest. The scattered shrub layer often includes <i>Rosa carolina, Juniperus communis var. depressa, Quercus montana, Quercus ilicifolia, Rhus typhina, Vaccinium pallidum, Vaccinium angustifolium, Viburnum rafinesqueanum</i>, and <i>Prunus virginiana</i>. The herbaceous layer usually covers 12-50% of the ground and is dominated by <i>Schizachyrium scoparium, Deschampsia flexuosa</i>, and <i>Danthonia spicata</i>, with their relative abundance varying from site to site. Numerous other herbaceous species occur in this community type, including <i>Carex pensylvanica, Anthoxanthum odoratum, Hypericum gentianoides, Antennaria plantaginifolia, Corydalis sempervirens, Solidago nemoralis, Poa compressa, Maianthemum racemosum, Uvularia perfoliata, Aquilegia canadensis, Asclepias verticillata, Polygonum scandens, Krigia virginica</i>, and <i>Houstonia longifolia</i>. No species is restricted to this community, but the assemblage listed above is very characteristic. |
Comm #1793
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Central Appalachian Northern Hardwood Forest
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accession code: VB.CC.29040.CENTRALAPPALACH
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2004 VA Natural Heritage Communities Report |
8
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Comm #1794
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Saccharum baldwinii - Carex glaucescens - Rhynchospora corniculata Marsh
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accession code: urn:lsid:vegbank.org:commConcept:35933-{E0421A6F-7ED3-4249-B1A2-B3E09F7977CA}
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NatureServe Biotics 2019 |
8
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These seasonally flooded upland depressions occur on clays in the Inner Coastal Plain of southeastern Virginia. Species present include <i>Saccharum baldwinii, Carex glaucescens, Rhynchospora corniculata, Rhynchospora perplexa, Juncus repens, Scirpus cyperinus, Rhexia mariana, Ludwigia linearis, Cyperus pseudovegetus, Juncus debilis, Erechtites hieraciifolius, Smilax rotundifolia, Saccharum giganteum, Rhynchospora inexpansa, Rhynchospora glomerata</i>, and <i>Panicum rigidulum</i>. |
Comm #1795
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Quercus muehlenbergii - Quercus shumardii - Carya (carolinae-septentrionalis, ovata) Forest
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accession code: urn:lsid:vegbank.org:commConcept:35995-{4B69E590-DB4D-4C64-9C19-39FD5CC80139}
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NatureServe Biotics 2019 |
8
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This association includes dry-mesic forests dominated by varying proportions of <i>Quercus muehlenbergii</i> and <i>Quercus shumardii</i>. It occurs in the Interior Low Plateau of Alabama, Kentucky and Tennessee, and also extends into the Ridge and Valley and Cumberland Plateau of Alabama and Georgia, on soils derived from limestones or other basic substrates, on gently rolling to rolling topography or on upper to mid slopes. In addition to the nominal species, the canopy may also contain some mixture of <i>Acer saccharum, Carya glabra, Fraxinus americana, Fraxinus quadrangulata</i>, and <i>Ulmus serotina</i>. Particularly towards the southern portion of the association's distribution, <i>Carya carolinae-septentrionalis</i> joins or replaces <i>Carya ovata</i> as the predominant hickory. Subcanopy species include <i>Quercus stellata, Aesculus glabra, Gleditsia triacanthos, Juniperus virginiana var. virginiana, Ulmus alata, Ulmus americana, Ulmus serotina</i> (to the south), <i>Ulmus thomasii</i> (to the north), <i>Cercis canadensis var. canadensis, Celtis laevigata var. laevigata, Ostrya virginiana, Fraxinus quadrangulata, Prunus mexicana</i>, and <i>Juglans nigra</i>. Shrubs include <i>Forestiera ligustrina, Frangula caroliniana, Hypericum frondosum, Rhus aromatica var. aromatica, Sideroxylon lycioides, Symphoricarpos orbiculatus</i>, and <i>Viburnum rufidulum</i>. <i>Bignonia capreolata</i> is a prominent liana. Other woody vines include <i>Lonicera sempervirens</i> and <i>Parthenocissus quinquefolia</i>. Herbs, a mixture of submesic and xeric limestone species, include <i>Fleischmannia incarnata, Lithospermum tuberosum, Polygonatum biflorum, Polymnia canadensis, Scutellaria ovata, Sedum pulchellum, Packera anonyma, Tragia cordata, Ruellia humilis, Ruellia strepens, Matelea gonocarpos, Arabis laevigata var. laevigata, Cuphea viscosissima, Galium</i> sp., <i>Diarrhena americana, Elymus</i> sp., <i>Senna marilandica, Chimaphila maculata, Salvia urticifolia, Tiarella cordifolia, Triosteum angustifolium, Asplenium platyneuron</i>, and <i>Asplenium resiliens</i>. Examples of this association may grade into ~<i>Juniperus virginiana - Fraxinus quadrangulata / Polymnia canadensis - (Astranthium integrifolium)</i> Woodland (CEGL003754)$$, ~<i>Quercus alba - Quercus rubra - Quercus muehlenbergii / Cercis canadensis</i> Forest (CEGL002070)$$, or ~<i>Quercus muehlenbergii - Quercus (shumardii, stellata) / Cercis canadensis / Viburnum rufidulum</i> Forest (CEGL007699)$$. Most examples observed seem to be generally subxeric. More mesic examples, formerly regarded as a "mesic variant" of this association, are now accommodated as ~<i>Quercus shumardii - Quercus muehlenbergii - Acer (floridanum, saccharum) / Ostrya virginiana</i> Forest (CEGL008442)$$. |
Comm #1796
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Baltic Rush Seasonally Flooded Herbaceous Alliance
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accession code: VB.cc.29895.BALTICRUSHSEASO
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NVC 2004 |
8
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Comm #1797
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Quercus stellata - (Pinus echinata) / Schizachyrium scoparium - Echinacea laevigata - Oligoneuron album Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32431-{182D239C-ACB3-4EE8-89A8-E10686F8EFB8}
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NatureServe Biotics 2019 |
8
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This community consists of one of two prairie-like woodlands associated with diabase in the Carolina Piedmont, representing the north-central North Carolina Piedmont type. Examples often have a canopy dominated by <i>Quercus stellata</i> and <i>Pinus echinata</i> (often some <i>Pinus taeda</i> as well because of fire suppression), a <i>Juniperus virginiana var. virginiana</i> understory (reduced or eliminated by fire), and grass/forb-dominated openings with numerous calciphilic prairie components dominating. Open conditions are maintained to some degree by shallow soils, shrink-swell clays, and perhaps by magnesium toxicity, but disturbance by fire is required for long-term persistence. Other characteristic species include <i>Acer floridanum, Sorghastrum nutans, Baptisia australis var. aberrans, Silphium terebinthinaceum, Oligoneuron album, Oligoneuron rigidum, Symphyotrichum parviceps, Eryngium yuccifolium var. yuccifolium, Hypericum virgatum, Marshallia legrandii, Blephilia ciliata, Salvia urticifolia, Thaspium barbinode</i>, and <i>Packera anonyma</i>. The large number of unique species (long-distance disjuncts and an endemic) suggest that recognition of this community as unique is warranted, though it is clearly related to diabase-influenced vegetation of both Virginia and the southern Carolina Piedmont. |
Comm #1798
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Pinus palustris / Schizachyrium scoparium - Muhlenbergia expansa - Arnoglossum ovatum Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32932-{0D1D545E-D2D1-4851-AF26-167D3DAFF72F}
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NatureServe Biotics 2019 |
8
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This seasonally saturated longleaf pine - pond pine - loblolly pine woodland association is restricted to wet and moist Ultisols of the wiregrass gap region of South Carolina. The open canopy of this association is dominated by a combination of <i>Pinus palustris, Pinus serotina</i>, and <i>Pinus taeda</i>. The ground layer is dominated by <i>Schizachyrium scoparium, Muhlenbergia expansa, Ctenium aromaticum, Setaria parviflora</i>, and <i>Eryngium yuccifolium</i>. Several species thought to be indicative of shallow lime bedrock (i.e., coquina limestone) occur commonly in this association, including <i>Setaria parviflora, Panicum virgatum, Arnoglossum ovatum, Plantago sparsiflora</i>, and <i>Apocynum cannabinum</i>. However, the stand in Francis Marion National Forest, South Carolina, on which the present description is primarily based, occurs on a Wahee loam, an Ultisol not evidently associated with shallow limestone. The stand is directly adjacent to a hardwood-dominated drainage, however, so there may be some extruding limestone. |
Comm #1799
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Quercus chrysolepis Association
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accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28611-{7948B942-E2AF-4C4C-9BBC-3237536074D5}
NOT CURRENTLY ACCEPTED
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MCV2 |
8
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Comm #1800
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Picea engelmannii / Equisetum arvense Forest
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accession code: urn:lsid:vegbank.org:commConcept:29272-{AD0D68C7-8ADE-4040-8ADA-D9BF164D3082}
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NatureServe Biotics 2019 |
8
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