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Name
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Reference
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Plots↓
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Description |
Comm #891
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Quercus gambelii Woodland Alliance
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accession code: VB.cc.30235.QUERCUSGAMBELII
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NVC 2004 |
21
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Comm #892
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INDIAN MOUNTAIN-RICE GRASS SHRUB HERBACEOUS ALLIANCE
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accession code: VB.cc.30444.INDIANMOUNTAINR
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NVC 2004 |
21
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Comm #893
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Purshia mexicana Shrubland Alliance
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accession code: VB.cc.30224.PURSHIAMEXICANA
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NVC 2004 |
21
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Comm #894
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Quercus arizonica Woodland Alliance
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accession code: VB.cc.30811.QUERCUSARIZONIC
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NVC 2004 |
21
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Comm #895
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Quercus falcata - Pinus taeda - (Fagus grandifolia, Quercus nigra) / Persea palustris Maritime Forest
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accession code: VB.CC.31436.CEGL007540
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21
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This community and related deciduous-dominated communities occur on the most sheltered sites on barrier islands. They are protected from the most extreme stresses of the maritime environment, such as storm waves and intense salt spray, by high dune ridges and distance from the beach. In addition to <i>Quercus falcata, Pinus taeda, </i><i>Fagus grandifolia</i>, and <i>Quercus nigra</i>, the canopy may include <i>Carya glabra, Carya pallida</i>, and <i>Liquidambar styraciflua</i>. The subcanopy may include <i>Persea palustris</i><i>, Carpinus caroliniana, Ilex opaca var. opaca, Cornus florida, Vaccinium arboreum, Ostrya virginiana, Juniperus virginiana, Sassafras albidum, </i><i>Amelanchier canadensis</i><i>, </i><i>Oxydendrum arboreum</i><i>, </i><i>Castanea pumila</i>, and <i>Hamamelis virginiana</i>. Shrubs and vines include <i>Gaylussacia frondosa (= var. frondosa), Arundinaria gigantea, Callicarpa americana, Morella cerifera (= Myrica cerifera), Rhus copallinum, Vaccinium stamineum, </i><i>Vaccinium pallidum, Gaylussacia baccata, </i><i>Vitis rotundifolia, Toxicodendron radicans, Parthenocissus quinquefolia, Smilax bona-nox</i>, and <i>Gelsemium sempervirens</i>. The herb layer may contain <i>Mitchella repens, Pteridium aquilinum, </i><i>Carex nigromarginata, Conopholis americana, Hieracium gronovii, Chasmanthium laxum, </i><i>Prenanthes </i><i>autumnalis</i><i>, Cnidoscolus stimulosus</i>, and <i>Piptochaetium avenaceum</i>. |
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Fraxinus pennsylvanica -Acer rubrum-Ulmus americana/ Ilex decidua / Saururus cernuus Swamp Forest
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accession code:
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E. Matthews PhD Dissertation |
21
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Comm #896
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Pinus palustris / Vaccinium elliottii - Clethra alnifolia / Aristida stricta - Panicum virgatum Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32446-{77633ADE-9AE3-4A11-9964-D2BF6E052DEB}
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NatureServe Biotics 2019 |
21
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This is a mesic longleaf pine-dominated association, with few oaks. It occurs on relict terraces along deeply entrenched rivers in the Fall-line Sandhills of North Carolina. The canopy is open and consists of <i>Pinus palustris</i>, sometimes with an admixture of <i>Pinus taeda</i>. In fire-suppressed examples, <i>Liquidambar styraciflua, Acer rubrum, Quercus nigra</i>, and scrub oaks may form a subcanopy. The shrub layer is diverse and includes <i>Vaccinium elliottii, Vaccinium arboreum, Clethra alnifolia, Gaylussacia dumosa, Gaylussacia frondosa, Ilex glabra, Amorpha georgiana var. georgiana</i>, and <i>Lyonia mariana</i> as important species. The herb layer is dominated by <i>Aristida stricta</i> and is extremely diverse (often 140 species per 0.1 ha), with unusual mixtures of wetland and upland plants. Typical herbaceous species include <i>Pteridium aquilinum var. pseudocaudatum, Eupatorium semiserratum, Eupatorium</i> spp., <i>Andropogon</i> spp., <i>Panicum virgatum, Parthenium integrifolium var. mabryanum, Coreopsis verticillata</i>, and <i>Muhlenbergia expansa</i>. Typical soils are Tarboro (Typic Udipsamment), Kalmia (Typic Hapludult), Pactolus (Aquic Quartzipsamment), and Kenansville (Arenic Hapludult). |
Comm #897
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Betula alleghaniensis / Ribes glandulosum / Polypodium appalachianum Forest
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accession code: urn:lsid:vegbank.org:commConcept:34772-{DDDEC4EE-4BF5-4E2D-93E2-04E65DBDDCDB}
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NatureServe Biotics 2019 |
21
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This association includes high-elevation boulderfield forests of the Southern Appalachians, strongly dominated by <i>Betula alleghaniensis</i>, with few or no other species in the canopy, and with other species indicative of high elevations. This community occurs in a cool, humid climate, on steep, rocky, northwest- to northeast-facing, middle to upper concave slopes, or in saddles between ridges, at elevations of 1370-1615 m (4500-5300 feet). It is known from the high elevations of the Blue Ridge from West Virginia south to eastern Tennessee and western North Carolina. This forest is distinguished by a closed to somewhat open canopy dominated by <i>Betula alleghaniensis</i>, occurring over angular rocks (0.25-1 m diameter) covered by thin soil, lichens, mosses or vines. The rocks may be almost totally covered by moss. <i>Betula alleghaniensis</i> in the canopy are often stunted and gnarled, with roots that may have grown to encircle the boulders. Tree density is typically less than that of the surrounding forests. Other species that may form a minor canopy component include <i>Aesculus flava, Prunus pensylvanica, Sorbus americana, Acer spicatum, Picea rubens, Tilia americana var. heterophylla, Sambucus racemosa var. racemosa</i>, or <i>Quercus rubra</i>. Tree windthrow is common, leaving patches of exposed mineral soil and gaps in the canopy. The shrub density is typically high but may vary between occurrences. Herbaceous cover is generally sparse because of thin, rocky soil, but herbs and mosses may cover the rocks and boulders. Characteristic species include, in the herb stratum, <i>Oclemena acuminata, Eurybia chlorolepis, Aconitum reclinatum, Cardamine clematitis, Carex aestivalis, Actaea podocarpa, Claytonia caroliniana, Clintonia borealis, Dryopteris campyloptera, Dryopteris marginalis, Huperzia lucidula, Oxalis montana, Polypodium appalachianum, Streptopus amplexifolius</i>, and in the shrub stratum, <i>Acer pensylvanicum, Acer spicatum, Amelanchier arborea var. austromontana, Diervilla sessilifolia, Hydrangea arborescens, Ilex montana, Lonicera canadensis, Ribes glandulosum, Ribes rotundifolium, Rubus canadensis, Sambucus racemosa var. racemosa, Vaccinium erythrocarpum</i>, and <i>Viburnum lantanoides</i>. Seepage areas are common, producing wet microhabitats with unique species assemblages (<i>Chelone lyonii, Chrysosplenium americanum, Circaea alpina, Rudbeckia laciniata, Impatiens pallida</i>, and <i>Monarda didyma</i>). This association is distinguished by being strongly dominated by <i>Betula alleghaniensis</i>, with few or no other species in the canopy, and with other species indicative of high elevations (e.g., <i>Abies fraseri, Dryopteris campyloptera, Ribes glandulosum, Rugelia nudicaulis, Streptopus amplexifolius, Prunus pensylvanica</i>, and <i>Sorbus americana</i>. On less extreme sites, generally at lower elevations in the Blue Ridge and adjacent montane ecoregions, a similar boulderfield forest is ~<i>Betula alleghaniensis - Tilia americana var. heterophylla / Acer spicatum / Ribes cynosbati / Dryopteris marginalis</i> Forest (CEGL004982)$$. Similar <i>Betula alleghaniensis</i>-dominated forests occur on glaciated rocky slopes in the upper mid-Atlantic and in the northeastern United States. The <i>Betula alleghaniensis</i>-dominated periglacial boulderfields of the southern Appalachian Mountains are distinguished from the northern forests by the occurrence of Southern Appalachian endemic species, better developed shrub layers and slightly less species diversity. |
Comm #898
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Schoenoplectus pungens - Fimbristylis (castanea, caroliniana) Marsh
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accession code: urn:lsid:vegbank.org:commConcept:32962-{EE1FF94C-4933-4A48-A6B4-08D9AF939BE8}
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NatureServe Biotics 2019 |
21
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This interdunal swale community of the Eastern Shore of Virginia and Maryland is characterized by dense cover of <i>Schoenoplectus pungens</i> and/or <i>Spartina patens</i>, with <i>Fimbristylis castanea</i> or <i>Fimbristylis caroliniana</i>. There is usually shallow standing water present in these swales in the spring, when <i>Schoenoplectus pungens</i> or <i>Spartina patens</i> is generally dominant with few other associates except species of <i>Eleocharis</i>. By late summer a number of other species such as <i>Fimbristylis castanea</i> and <i>Sabatia stellaris</i> contribute more substantial cover. Other herbs contribute very little to the overall vegetative cover. These associated species include <i>Andropogon virginicus, Andropogon glomeratus, Eleocharis rostellata, Phragmites australis, Pluchea foetida, Pluchea odorata, Cyperus filicinus, Juncus scirpoides, Hydrocotyle umbellata, Eleocharis parvula, Panicum amarum, Fimbristylis autumnalis, Sabatia stellaris, Ptilimnium capillaceum, Fuirena pumila</i>, and <i>Juncus canadensis</i>. Diagnostic species are <i>Schoenoplectus pungens</i> and <i>Fimbristylis castanea</i>. Related vegetation of the Atlantic Coast from North Carolina southward is accommodated under ~<i>Fimbristylis castanea - Schoenoplectus pungens</i> Marsh (CEGL003790)$$. |
Comm #899
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Acer negundo - Populus angustifolia / Cornus sericea Riparian Forest
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accession code: urn:lsid:vegbank.org:commConcept:29536-{09F4417C-83CE-48AA-965E-117D13613F06}
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NatureServe Biotics 2019 |
21
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This western Colorado riparian forest occurs on broad alluvial floodplains, from 1890-2075 m (6200-6800 feet) elevation, with strongly meandering stream channels, where it can form extensive stands. It can also occur in small stands on narrow streams at high elevations. Stands have a 4- to 8-m tall, multi-layered, broad-leaved deciduous tree canopy that is codominated by <i>Acer negundo</i> and <i>Populus angustifolia</i> with a broad-leaved deciduous shrub layer dominated by <i>Cornus sericea</i>. |
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