| Add/Drop |
Name
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Reference
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Plots↓
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Description |
Comm #271
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ENGELMANN'S SPRUCE FOREST ALLIANCE
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accession code: VB.cc.30023.ENGELMANNSSPRUC
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NVC 2004 |
63
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Comm #272
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Oak / Heath Forest
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accession code: VB.CC.29121.OAKHEATHFOREST
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2004 VA Natural Heritage Communities Report |
63
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Comm #273
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Pinus monophylla - Juniperus sp. Woodland Alliance
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accession code: VB.cc.30158.PINUSMONOPHYLLA
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NVC 2004 |
63
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Comm #274
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Eleocharis fallax - Eleocharis rostellata - Schoenoplectus americanus - Sagittaria lancifolia Tidal Marsh
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accession code: urn:lsid:vegbank.org:commConcept:33412-{2FB1F149-7105-496A-88DB-DB666F070348}
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NatureServe Biotics 2019 |
63
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This oligohaline to freshwater tidal marsh of Maryland, Virginia, and North Carolina occurs on the interior of extensive marshes, well away from tidal channels or guts. It is inundated primarily by wind tides and, less commonly, lunar tides. The substrate is fibric, moderately to poorly decomposed peat. The vegetation is characterized by <i>Eleocharis fallax</i>, with <i>Eleocharis rostellata</i> a common associate. Other frequently occurring species include <i>Galium obtusum, Hibiscus moscheutos, Hydrocotyle umbellata, Juncus canadensis, Pontederia cordata, Proserpinaca palustris, Schoenoplectus americanus</i>, and <i>Sagittaria lancifolia</i>. Additional associates may include <i>Mikania scandens, Peltandra virginica, Ptilimnium capillaceum, Ludwigia alata, Osmunda regalis</i>, and <i>Triadenum virginicum</i>. |
Comm #275
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CAREX SPECTABILIS ALLIANCE
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accession code: VB.CC.12961.CAREXSPECTABILI
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Jennings 2003. Vegetation alliances: composition and function. |
63
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Comm #276
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Salix drummondiana / Mesic Forbs Wet Shrubland
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accession code: urn:lsid:vegbank.org:commConcept:30101-{58965919-65AA-4A8E-A4C6-FB1CCAFFA2A9}
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NatureServe Biotics 2019 |
63
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This riparian shrubland most commonly occurs on relatively steep streams and rarely forms more than a narrow, 1.5- to 7.5-m (5-25 feet) wide band along streambanks. It is known from the mountains of Colorado, Utah, Wyoming and Montana, from 960-3450 m (3150-11,300 feet). It occurs in narrow, V-shaped valleys as a dense, narrow band along high-gradient (1-41%) streams and as large willow shrublands in broad valleys, 50-305 m (150-1000 feet) wide, along low-gradient (1-3%), moderately sinuous streams. Stands also occur along broad, highly sinuous streams and broad, actively down-cutting channels. This association can also occur near seeps. Soils range from deep sandy loams and sandy clay loams with no coarse fragments to shallow silty clay loams and sandy clay loams over coarse, angular cobbles. The closed to partially open canopy of <i>Salix drummondiana</i> and a thick carpet of many forb species, with no single species dominant nor consistently present, characterize this plant association. |
Comm #277
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TSUGA MERTENSIANA ALLIANCE
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accession code: VB.CC.8474.TSUGAMERTENSIAN
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Jennings 2003. Vegetation alliances: composition and function. |
62
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Comm #278
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Pinus flexilis Woodland Alliance
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accession code: VB.cc.30758.PINUSFLEXILISWO
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NVC 2004 |
62
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Comm #279
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Pinus palustris / Amorpha herbacea var. herbacea / Aristida stricta - Sorghastrum nutans Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32442-{C1E8E58F-CBFC-438B-BD58-3AB40B118C27}
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NatureServe Biotics 2019 |
62
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This is a mesic longleaf pine community, without scrub oaks, occurring on mesic soils in the Middle and Outer Coastal Plain of North Carolina and South Carolina. <i>Pinus palustris</i> dominates the open to fairly dense canopy (rather often exceeding 60% canopy closure). Typical species are <i>Andropogon ternarius, Andropogon gyrans var. gyrans, Schizachyrium scoparium, Sorghastrum nutans, Panicum virgatum, Tephrosia florida, Lespedeza capitata, Amorpha herbacea var. herbacea</i>, and <i>Rhexia alifanus</i>. Topographically, this community occurs in fairly large flat expanses in a flatwoods landscape, and sometimes occurs in a matrix with wetter longleaf pine savanna communities. When fire-suppressed, <i>Quercus falcata, Liquidambar styraciflua, Acer rubrum, Quercus nigra</i>, and <i>Nyssa sylvatica</i> may invade. |
Comm #280
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Pinus palustris / Quercus laevis - Quercus geminata / Rhynchospora megalocarpa Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32463-{BA9D4633-5D52-4C3F-BB60-021C06B1D88C}
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NatureServe Biotics 2019 |
62
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These are extremely xeric longleaf pine sandhills, typically with a very sparse <i>Pinus palustris</i> canopy (5-25%) that are restricted to northern South Carolina and North Carolina. The scrub oak layer is sparse to dense, consisting of mostly <i>Quercus laevis</i>, but also often with <i>Quercus hemisphaerica</i> and <i>Quercus geminata</i>, in contrast to other sand barrens, which are dominated only by <i>Quercus laevis</i>. Stands of this type are so xeric that <i>Aristida stricta</i> is either sparse or absent. Species diversity in the herb layer is generally very low and consists primarily of extreme xerophytes. |
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