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Name
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Reference
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Description |
Comm #4391
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Orontium aquaticum - Schoenoplectus (etuberculatus, subterminalis) - Eriocaulon decangulare - Juncus trigonocarpus Marsh
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accession code: urn:lsid:vegbank.org:commConcept:36045-{CF782C8C-F817-474E-9B56-69587E4E77DB}
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NatureServe Biotics 2019 |
1
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This community consists of beaverponds or other semipermanent impoundments (such as millponds) in highly acidic parts of the southeastern Coastal Plain, such as the Fall-line Sandhills of the Carolinas. This shallow aquatic community is dominated by <i>Orontium aquaticum, Schoenoplectus etuberculatus, Eriocaulon decangulare, Schoenoplectus subterminalis, Juncus trigonocarpus, Juncus abortivus, Juncus</i> spp., <i>Brasenia schreberi, Eleocharis tuberculosa, Proserpinaca pectinata, Utricularia</i> spp., <i>Rhynchospora</i> spp., and other wetland and aquatic plants. |
Comm #4392
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Quercus virginiana - Quercus pagoda - Liquidambar styraciflua / Sabal minor - Ilex vomitoria Swamp Forest
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accession code: urn:lsid:vegbank.org:commConcept:36036-{0E24BA89-047D-4949-A1C2-BDD1E87A147C}
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NatureServe Biotics 2019 |
1
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This community occurs in South Carolina and adjacent Georgia on low moist to wet flats, near the conceptual line between upland and saturated hydrologies. These sites never receive overland flooding from rivers or streams. <i>Quercus virginiana</i> and <i>Quercus pagoda</i> dominate the canopy; other canopy and subcanopy species may include <i>Liquidambar styraciflua, Quercus nigra, Quercus laurifolia, Quercus phellos, Magnolia grandiflora, Ulmus americana, Ulmus alata</i>, and <i>Celtis laevigata var. laevigata</i>. <i>Sabal minor</i> forms a dense shrub layer, often intermixed with substantial <i>Ilex vomitoria</i> and <i>Morella cerifera</i>. Woody vines are common and include <i>Berchemia scandens, Toxicodendron radicans ssp. radicans, Campsis radicans</i>, and <i>Bignonia capreolata</i>. Herbs are few but may include <i>Chasmanthium laxum, Chasmanthium sessiliflorum</i>, and <i>Juncus coriaceus</i>. <i>Tillandsia usneoides</i> and <i>Pleopeltis polypodioides ssp. michauxiana</i> are common epiphytes. Some areas supporting this community were in row-crop agriculture in the early eighteenth century, and the origin and naturalness of this community are somewhat uncertain. |
Comm #4393
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Carex barrattii Marsh
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accession code: urn:lsid:vegbank.org:commConcept:36042-{93A4A4FD-0717-4D3A-9E48-00188DB52BC9}
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NatureServe Biotics 2019 |
1
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This community occurs in seasonally flooded depression ponds developed by solution and collapse of carbonate rocks underlying acidic colluvial materials deposited on the eastern edge of the Great Valley of Virginia, in Augusta, Rockingham, and southern Page counties, Virginia. This community is dominated by nearly monospecific swards of <i>Carex barrattii</i>. Scattered associates include <i>Bartonia paniculata, Bartonia virginica, Spiraea tomentosa</i>, and <i>Triadenum virginicum</i>. This community occurs in drier, seasonally flooded portions of Horseshoe Swamp and has a relatively deep, organic soil. |
Comm #4394
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Orontium aquaticum - Schoenoplectus subterminalis - Eriocaulon aquaticum Marsh
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accession code: urn:lsid:vegbank.org:commConcept:36044-{4563883B-8FB4-44B6-870B-4BC1E4FD5AB4}
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NatureServe Biotics 2019 |
1
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This community occurs in semipermanently flooded depression ponds developed by solution and collapse of carbonate rocks underlying acidic colluvial materials deposited on the eastern edge of the Great Valley of Virginia, in Augusta County, Virginia. Tentatively, it is also ascribed to acidic sites in the Coastal Plain of Virginia and Delaware. This community is limited among these ponds to Spring Pond, a cold, permanently flooded pond with water levels constantly replenished by groundwater inputs. <i>Orontium aquaticum</i> is the dominant plant; other species present are <i>Schoenoplectus subterminalis, Brasenia schreberi, Eleocharis robbinsii, Eriocaulon aquaticum, Panicum hemitomon</i>, and <i>Woodwardia virginica</i>. |
Comm #4395
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Quercus alba - Quercus nigra / Ilex opaca / Clethra alnifolia - Arundinaria tecta Forest
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accession code: urn:lsid:vegbank.org:commConcept:36047-{A7D13222-8026-4256-BEDC-2EE3DFC0A62F}
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NatureServe Biotics 2019 |
1
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This community occurs on submesic Mid-Atlantic Coastal Plain bluffs. The canopy is dominated by <i>Quercus alba, Quercus nigra</i>, and <i>Quercus falcata</i>, with lesser amounts of <i>Carya pallida, Nyssa sylvatica</i>, and others. Additional species which may be present as common components primarily as a result of disturbance include <i>Pinus taeda, Acer rubrum var. rubrum</i>, and <i>Liquidambar styraciflua</i>. The subcanopy includes canopy species as well as <i>Ilex opaca var. opaca, Oxydendrum arboreum</i>, and <i>Cornus florida</i>. The shrub layer is often dense and is dominated by <i>Clethra alnifolia</i> and <i>Arundinaria tecta</i>. |
Comm #4396
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Schizachyrium scoparium - Rudbeckia missouriensis - Grindelia lanceolata - (Liatris punctata var. mucronata) Grassland
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accession code: urn:lsid:vegbank.org:commConcept:36105-{05F6AD3A-1207-492E-B144-EDA2FBF62AA3}
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NatureServe Biotics 2019 |
1
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This upland prairie of the West Gulf Coastal Plain of Texas and western Louisiana occurs in small, isolated patches on calcareous soils derived from the Fleming geologic formation. This herbaceous community is dominated by graminoids, composites, and legumes, with occasional emergent woody growth. Dominant and characteristic species in forb-dominated occurrences are locally variable but may include <i>Dalea compacta var. compacta, Rudbeckia missouriensis, Rudbeckia hirta, Acacia angustissima, Liatris punctata var. mucronata, Eustoma exaltatum ssp. russellianum, Grindelia lanceolata, Agalinis heterophylla, Stenosiphon linifolius, Carex microdonta, Carex cherokeensis, Neptunia lutea, Indigofera miniata, Salvia azurea, Palafoxia reverchonii, Onosmodium bejariense var. occidentale, Liatris punctata var. mucronata</i>, and <i>Euphorbia bicolor</i>. Occurrences rich in graminoids are dominated by <i>Sorghastrum nutans</i>, and <i>Schizachyrium scoparium</i>. The combination of periodic fire, soil chemistry, and physical properties is thought to be important in maintaining this community in a landscape otherwise historically dominated by forests. |
Comm #4397
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Wisteria sinensis Ruderal Vine-Shrubland
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accession code: urn:lsid:vegbank.org:commConcept:36620-{F3A9223F-6DFD-4DE6-9A17-F0DE41B20AF4}
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NatureServe Biotics 2019 |
1
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This vine-dominated vegetation is dominated by <i>Wisteria sinensis</i> or <i>Wisteria floribunda</i>, or most often hybrids of the two fast-growing vines native to Asia. The community is most commonly seen in fragmented landscapes near old homesteads and other areas. The oldest colonies may consist of <i>Wisteria sinensis</i> or <i>Wisteria floribunda</i> and little else since the wisteria slowly overtops and kills all other plants It has the potential to occur in most southeastern states. |
Comm #4398
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Juncus effusus - Chelone glabra - Scirpus spp. Southern Blue Ridge Beaver Pond Ruderal Marsh
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accession code: urn:lsid:vegbank.org:commConcept:36499-{E7B1AB88-1F3A-4BD5-8ACA-70E14A883D20}
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NatureServe Biotics 2019 |
1
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This community occurs in beaver-impounded sites along mountain streams in the Southern Blue Ridge and Cumberland Mountains and Ridge and Valley physiographic provinces. Vegetative composition is highly variable, but <i>Juncus effusus</i> is a characteristic dominant. The physiognomy of the type is also extremely variable. Examples of this community range from no shrub cover to high levels of cover depending upon the amount of time since inundation and the fluctuation of the water level over time. |
Comm #4399
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Glyceria striata - Carex gynandra - Chelone glabra - Symphyotrichum puniceum / Sphagnum spp. Herbaceous Seep
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accession code: urn:lsid:vegbank.org:commConcept:36503-{CB7E98E9-7B50-4D3E-B6D7-483E5311C77C}
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NatureServe Biotics 2019 |
1
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This acidic seep occurs as small-scale patches along streams in the Southern Appalachians. Occurrences are nearly always less than 0.4 hectare (1 acre) in size. Hydrology is seepage-fed, and these sites may also receive short-term flooding from adjacent streams. Characteristic species include <i>Glyceria striata, Glyceria melicaria, Osmunda cinnamomea, Carex gynandra, Symphyotrichum puniceum, Solidago patula var. patula, Chelone glabra</i>, and <i>Sphagnum recurvum</i>. Most occurrences are herbaceous-dominated, though scattered shrubs and trees may occur, and trees rooted outside the community sometimes provide substantial shade. |
Comm #4400
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Carex aquatilis - Dulichium arundinaceum Marsh
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accession code: urn:lsid:vegbank.org:commConcept:36598-{F39299E2-C547-465A-AC5A-31879A7A7116}
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NatureServe Biotics 2019 |
1
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This community is known from a single site (Green Pond) at Big Levels in Augusta County, Virginia. Green Pond is a 0.4-hectare (one acre) natural ridge crest depression located at 976 m (3203 feet) elevation on the summit of the Blue Ridge. It is situated where the local, ridge-forming Antietam quartzite has weathered through to the predominantly carbonate Shady Formation. The pond retains shallow water continuously in most years and has a dense substrate of reddish, poorly-decomposed, root-rich peat. The vegetation of Green Pond is a floristically depauperate herbaceous wetland dominated by <i>Carex aquatilis</i> and, to a lesser extent, by <i>Dulichium arundinaceum</i>. The only other species occurring here are <i>Vaccinium macrocarpon, Juncus canadensis, Triadenum virginicum</i>, a few seedlings of <i>Cephalanthus occidentalis</i>, and an unidentified <i>Utricularia</i> sp. |
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