| Add/Drop |
Name
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Reference
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Plots↓
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Description |
Comm #831
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Leersia oryzoides - Boehmeria cylindrica - Ranunculus flabellaris Wet Meadow
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accession code: urn:lsid:vegbank.org:commConcept:35289-{18F1C175-F440-4D5D-8C20-A7642CD55231}
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NatureServe Biotics 2019 |
23
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This open, graminoid-dominated herbaceous community occurs on the flat to gently sloping bottoms or moats of calcareous sinkhole ponds in the Valley and Ridge Province of northwest New Jersey. The dominant species are <i>Boehmeria cylindrica, Leersia oryzoides</i>, and <i>Ranunculus flabellaris</i>. The most common associates include <i>Bidens connata, Bidens frondosa, Carex lupulina, Carex squarrosa, Echinochloa muricata var. muricata, Eleocharis acicularis, Eleocharis palustris, Glyceria septentrionalis, Pilea pumila, Polygonum amphibium</i>, and <i>Sparganium emersum</i>. In disturbed conditions the non-native species <i>Polygonum persicaria</i> or <i>Microstegium vimineum</i> may be present and locally abundant. Rare plants associated with this community include <i>Glyceria acutiflora, Ranunculus flabellaris</i>, and <i>Sagittaria cuneata</i>. This herbaceous community occurs primarily on Ordovician Allentown dolomite with glacial outwash (kettle) surficial deposits. Occasionally it occurs in solution sinkholes on Epler Rickenbach dolomite with glacial till/bedrock complex surficial deposits. The soils are muck, rarely silty clay or silt marl, and overlay clay, sandy clay, shell marl, peat or bedrock. This community is seasonally flooded. Slope is flat to gentle or occasionally moderate. Aspect is variable and elevation range is 150 to 185 m (492-610 feet) above mean sea level. |
Comm #832
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Quercus hemisphaerica - Tilia americana var. caroliniana - Magnolia grandiflora / Aesculus pavia - Ilex vomitoria Forest
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accession code: urn:lsid:vegbank.org:commConcept:35687-{E95D71FD-B304-40AA-B0F2-2ACD6E978764}
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NatureServe Biotics 2019 |
23
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This community is a mid-Atlantic near-coastal forest that occurs on the North Carolina and South Carolina mainland on dry-mesic to mesic soils with a substantial shell component. The canopy is a diverse mix of maritime and calciphilic species, with <i>Quercus hemisphaerica, Quercus virginiana, Carya glabra, Quercus falcata, Tilia americana var. caroliniana, Magnolia grandiflora, Sabal palmetto, Ulmus rubra</i>, and/or <i>Liriodendron tulipifera</i> dominant or abundant. Subcanopy species include <i>Persea palustris, Ilex opaca var. opaca, Nyssa sylvatica, Acer floridanum</i>, and <i>Cornus florida</i>. Frequent shrubs include <i>Ilex vomitoria, Morella cerifera, Sabal minor, Aesculus pavia var. pavia</i>, and <i>Callicarpa americana</i>. Woody vines are abundant and diverse. Common herbs include <i>Mitchella repens, Polystichum acrostichoides, Scleria triglomerata, Dichanthelium boscii</i>, and <i>Galium</i> spp. Similar sites may occur south of North Carolina and northern South Carolina, but are probably not common. Additional information will be added from North Carolina Vegetation Survey plot data. Further information from South Carolina is needed to determine the extent and classification of this community. |
Comm #833
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Betula alleghaniensis / Sorbus americana - Acer spicatum / Polypodium appalachianum Forest
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accession code: urn:lsid:vegbank.org:commConcept:36565-{6C59DFB2-ECAE-455B-B1DA-88CA1EADEAE8}
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NatureServe Biotics 2019 |
23
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This community is known from high elevations of the Northern Blue Ridge, Ridge and Valley, and Allegheny Mountains in Virginia and West Virginia. It occupies steep, boulder-strewn slopes at elevations from 975 m (3200 feet) to over 1250 m (4100 feet). The type is most frequent and extensive on straight or concave, middle to upper slopes with northerly aspects, but is found occasionally on slopes with other aspects. Surface substrate is characterized by a surface cover of angular boulders weathered from granite, metabasalt (greenstone), quartzite, or sandstone. This vegetation type has a partly closed to very open canopy overwhelmingly dominated by <i>Betula alleghaniensis</i>. The canopy trees are usually stunted and gnarled, exhibiting the effects of frequent ice and wind damage. Tree density is typically less than that of the surrounding forests. <i>Sorbus americana</i> and <i>Prunus pensylvanica</i> are minor canopy associates. Small tree and shrub densities are variable; <i>Sorbus americana</i> and <i>Acer spicatum</i> often have high cover in these layers. <i>Menziesia pilosa, Sambucus racemosa, Rubus idaeus ssp. strigosus</i>, and <i>Ribes cynosbati</i> are frequent shrubs. Herbaceous cover is often limited by the rocky substrate. |
Comm #834
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Fraxinus americana / Physocarpus opulifolius / Carex pensylvanica - Allium cernuum - (Phacelia dubia) Wooded Grassland
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accession code: urn:lsid:vegbank.org:commConcept:36589-{F83B7401-6C00-473A-A3AC-E5F0B17ECD86}
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NatureServe Biotics 2019 |
23
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This community is known only from the northern Virginia Blue Ridge and possibly the higher adjacent foothills, in areas underlain by Catoctin metabasalt (greenstone) and Middle Proterozoic plutonic rocks. Sites are located on steep (up to 37°), xeric, middle-elevation slopes where exposed outcrops effectively limit the establishment and normal development of trees. Underlying bedrock at most sites is metabasalt (greenstone). Three documented sites are underlain by charnockite, a pyroxene-bearing granitic rock, and it is likely that additional stands occur on this and related plutonic formations. Elevation of plot-sampled stands ranges from 543 to 1050 m (1782-3450 feet), with a mean of 835 m (2740 feet). Middle-slope topographic positions are typical, with slopes convex in at least one direction. Aspect varies from southeast to northwest, with westerly aspects prevalent. This vegetation type is dominated by herbaceous plants with scattered shrub patches and stunted trees. The herb layer usually ranges from 25-60% total cover (occasionally higher or lower), and from scattered to locally dense where soil and organic matter have accumulated. <i>Carex pensylvanica</i> and <i>Schizachyrium scoparium</i> are consistently dominant herbs. <i>Phacelia dubia</i> is an abundant spring ephemeral in about two-thirds of the plots, and this species may have been missed in late-season sampling of other plots. |
Comm #835
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Mixed Forb - Graminoid Wet Meadow
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:17620-{001F8CBC-CE78-457E-9CCD-6BE1D246FE57}
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Zimmerman et al. 2012 |
23
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Comm #836
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Malacothamnus fasciculatus – Malosma laurina Association
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:311-{31C434E8-65B4-4DA3-B705-DD6BDFE6CFEE}
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MCV2 |
23
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45.450.04 |
Comm #837
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Festuca thurberi Herbaceous Alliance
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accession code: VB.cc.30688.FESTUCATHURBERI
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NVC 2004 |
23
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Comm #838
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(Arctostaphylos viscida – Adenostoma fasciculatum) / Salvia sonomensis Association
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accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28850-{9206F0DC-F30D-413F-9484-691DC9E90B83}
NOT CURRENTLY ACCEPTED
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Northern Sierra Nevada Foothills Report |
23
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Comm #839
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Acacia greggii – annual herbs (Bromus rubens) Association
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:86-{90AE4810-4225-4ABB-9DAD-6398E8152329}
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MCV2 |
23
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33.040.02 |
Comm #840
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Salvia apiana – Artemisia californica Association
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:31-{5EF7EC6F-3697-4699-A4E8-E0A89B42B181}
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MCV2 |
23
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32.030.01 |
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