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Name
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Reference
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Description |
Comm #981
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Acer rubrum - Nyssa sylvatica High Allegheny Plateau-Central Appalachian Seep Forest
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accession code: urn:lsid:vegbank.org:commConcept:34780-{DA9A9A33-D872-49F0-A94B-D3FDB7FCD91C}
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NatureServe Biotics 2019 |
19
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This acidic deciduous swamp occurs in the central Appalachian Mountains north of the Cumberland drainage in the Central Appalachians and High Allegheny regions, as well as the adjacent Cumberlands and Western Allegheny Plateau. This community occurs on substrates which are saturated for extended periods during the growing season but which rarely have standing water, including forested seeps, hillsides, streamheads, floodplain edges, and poorly drained depressions. Occurrences tend to be small. Characteristic trees are <i>Acer rubrum</i> and <i>Nyssa sylvatica</i>, with other associates including <i>Tsuga canadensis</i> and <i>Betula alleghaniensis</i>. The shrub stratum includes <i>Alnus serrulata, Aronia arbutifolia, Ilex verticillata, Vaccinium corymbosum, Rhododendron maximum</i>, and <i>Rubus hispidus</i>. Characteristic herbs include <i>Osmunda cinnamomea, Osmunda regalis, Carex folliculata, Carex trisperma, Carex intumescens, Carex stricta</i>, and <i>Poa trivialis</i>. <i>Sphagnum</i> spp. are typical. |
Comm #982
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Quercus montana - Carya spp. - Quercus velutina / Vaccinium arboreum / Iris verna var. smalliana Forest
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accession code: urn:lsid:vegbank.org:commConcept:35525-{5E5A64AF-AF52-4971-A583-A70585D05C2E}
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NatureServe Biotics 2019 |
19
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This association accommodates mesic to dry-mesic forests of the Alabama Piedmont-Coastal Plain-Ridge and Valley transition region and is also documented from the Coastal Plain transition to the Interior Low Plateau of northwestern Alabama and southern middle Tennessee. The canopy is strongly dominated by <i>Quercus montana, Carya tomentosa</i> (and/or other <i>Carya</i> spp.), and <i>Quercus velutina</i>. Other tree species present include <i>Quercus falcata, Quercus alba, Quercus stellata, Carya glabra</i>, and <i>Pinus echinata</i>. Understory woody species include <i>Cornus florida, Nyssa sylvatica</i>, and <i>Oxydendrum arboreum</i>. Shrubs and woody vines include <i>Aesculus pavia, Asimina parviflora, Ceanothus americanus, Epigaea repens, Euonymus americanus, Gaylussacia dumosa, Hydrangea quercifolia, Parthenocissus quinquefolia, Rhododendron canescens, Smilax glauca, Smilax rotundifolia, Symplocos tinctoria, Toxicodendron pubescens, Toxicodendron radicans, Vaccinium arboreum, Vaccinium elliottii, Vaccinium pallidum, Vaccinium stamineum</i>, and <i>Vitis rotundifolia</i>. Herbs and herbaceous vines present include <i>Coreopsis major, Desmodium nudiflorum, Dioscorea villosa, Elephantopus tomentosus, Hexastylis arifolia, Iris verna var. smalliana, Maianthemum racemosum, Mimosa microphylla, Mitchella repens, Silphium compositum, Tephrosia virginiana</i>, and <i>Uvularia perfoliata</i>. Ferns include <i>Polystichum acrostichoides</i> and <i>Pteridium aquilinum</i>. |
Comm #983
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(Pinus virginiana) / Schizachyrium scoparium - Eriogonum allenii Wooded Grassland
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accession code: urn:lsid:vegbank.org:commConcept:36590-{B0AC39A4-56BE-4280-AEED-6909B97E7642}
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NatureServe Biotics 2019 |
19
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These rocky ridge balds are found on upper slopes and ridge crests in a small area of west-central Virginia. Sites for this association include broad, gently to steeply sloping, south- to west-facing spur ridge crests and middle to upper, convex sideslopes. Elevations range from 400 to 900 m. Physiognomy of this shale barren community varies from entirely herbaceous to sparse scrub or woodland. Woody strata, when present, are dominated by scattered <i>Pinus virginiana</i> and/or <i>Juniperus virginiana</i> <10 m tall. <i>Quercus rubra, Quercus montana, Carya glabra, Fraxinus americana</i>, and <i>Celtis tenuifolia</i> are minor, inconstant woody components. <i>Rhus aromatica</i> and <i>Rosa carolina</i> are occasional shrubs. The herb layer is typically rather dense and graminoid-dominated, often giving stands a prairie-like aspect. <i>Schizachyrium scoparium</i> and <i>Carex pensylvanica</i> are consistently dominant herbs, while <i>Danthonia spicata</i> and <i>Dichanthelium linearifolium</i> are constant, locally codominant associates. <i>Andropogon gerardii</i> and <i>Sorghastrum nutans</i> are abundant in a few stands. The shale barren endemic <i>Eriogonum allenii</i> is the most constant and abundant forb. Other relatively constant herbs are <i>Paronychia montana, Houstonia longifolia, Asplenium platyneuron, Allium cernuum, Sedum glaucophyllum, Trifolium virginicum, Cheilanthes lanosa, Polygonum tenue, Scutellaria ovata, Cunila origanoides</i>, and <i>Polygonum scandens var. cristatum</i>. Several other shale barren endemics (or near-endemics) may occasionally occur in this type as well, including <i>Antennaria virginica, Arabis serotina, Clematis albicoma, Clematis viticaulis, Oenothera argillicola, Packera antennariifolia</i>, and <i>Trifolium virginicum</i>. This association is distinguished from other shale barrens by its more open physiognomy (often with few or no trees), low importance or absence of <i>Fraxinus americana</i> and <i>Quercus montana</i>, and high frequency and often high cover of <i>Schizachyrium scoparium</i>. This association occurs only on Devonian and Silurian shale geology. It is most closely related to the circumneutral-calcareous shale barrens and endemic-rich barrens, and differs to a greater degree from the more depauperate acidic shale barren associations. Besides <i>Eriogonum</i>, indicators include <i>Sedum glaucophyllum, Polygonum tenue, Scutellaria ovata, Clematis viticaulis</i>, and <i>Woodsia obtusa</i>. |
Comm #984
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Quercus agrifolia – Platanus racemosa / Toxicodendron diversilobum Association
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:456-{B67591D6-D8F2-4987-A030-8C7755990CAB}
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MCV2 |
19
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71.060.42 |
Comm #985
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White Fir Woodland Alliance
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accession code: VB.cc.30349.WHITEFIRWOODLAN
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NVC 2004 |
19
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Comm #986
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Platanus racemosa Alliance
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:388-{6BD917F0-49DB-408E-97D6-7FE69685F6B8}
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MCV2 |
19
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61.310.00 |
Comm #987
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Red oak - mixed hardwood forest
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:17566-{19B5B264-5405-44BE-B93E-8508217B4442}
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Zimmerman et al. 2012 |
19
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Comm #988
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Prunus ilicifolia - Heteromeles arbutifolia Shrubland
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accession code: VB.CC.37403.CEGL003715
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19
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This shrubland is a mesic chaparral community that occurs in central and southern coastal California on moderate to steep northeast- and northwest-facing slopes at low elevations below 1000 m. Topography is usually concave, mid to upper slopes. Rock cover is relatively high in most stands, derived from granite, sedimentary or metamorphic parent material. Soils tend to be rich sandy to silt loams, mostly shallow but occasionally deep. Stands are characterized by a dominance or codominance of <i>Prunus ilicifolia</i> along with <i>Heteromeles arbutifolia</i> in the shrub layer. A variety of other shrub species may intermix as subdominant shrubs, such as <i>Adenostoma fasciculatum, Arctostaphylos pringlei, Brickellia californica, Cercocarpus montanus var. glaber (= Cercocarpus betuloides), Ceanothus cuneatus var. cuneatus, Ceanothus oliganthus, Eriogonum fasciculatum, Keckiella antirrhinoides, Diplacus aurantiacus (= Mimulus aurantiacus), Rhamnus ilicifolia, Salvia apiana, Salvia mellifera</i>, and <i>Toxicodendron diversilobum</i>. The herbaceous layer may have native grasses such as <i>Leymus condensatus</i> and <i>Melica imperfecta</i> at low cover. An emergent tree layer may be present and include <i>Umbellularia californica</i> and <i>Quercus agrifolia</i> at low cover. |
Comm #989
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Toxicodendron diversilobum - Artemisia californica / Leymus condensatus Shrubland
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accession code: VB.CC.37401.CEGL003736
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19
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This shrubland association occurs on somewhat steep to steep northwest- and northeast-facing slopes at low elevations between 0 and 719 m. It is characterized by a strong dominance of <i>Toxicodendron diversilobum</i> and a presence of <i>Artemisia californica</i> in the shrub layer. The herbaceous layer is characterized by relatively high cover of <i>Leymus condensatus</i>. The emergent tree layer may include <i>Juglans californica</i> and <i>Quercus agrifolia</i>. |
Comm #990
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Pseudotsuga menziesii - (Thuja plicata - Abies grandis) / Vaccinium membranaceum Forest [Proposed]
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:39-{222B9745-D5B6-45CA-A07F-54366BD0FB34}
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Ramm-Granberg 2020 |
19
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NVC Code CEGL008270 |
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