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Name
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Reference
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Plots↓
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Description |
Comm #4741
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Quercus stellata - Quercus velutina / Morella pensylvanica / Deschampsia flexuosa Forest
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accession code: urn:lsid:vegbank.org:commConcept:35017-{BFD2E2B3-3897-432F-A2D1-90701A436C34}
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NatureServe Biotics 2019 |
1
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This vegetation is a maritime oak forest of bluffs, sand spits, and salt marsh borders along the North Atlantic Coast. It is dominated by stunted, wind- and salt-pruned <i>Quercus stellata, Quercus velutina, Quercus coccinea</i>, and <i>Quercus alba</i>. <i>Juniperus virginiana</i> may contribute a minor cover to the canopy. A dense shrub layer is made up of <i>Morella pensylvanica, Gaylussacia baccata</i>, and <i>Prunus serotina</i> with a heavy component of vines such as <i>Smilax rotundifolia, Toxicodendron radicans, Parthenocissus quinquefolia</i>, and <i>Vitis aestivalis</i>. Herbaceous species are sparse and include <i>Deschampsia flexuosa</i>. Vegetation varies to a degree along topo-edaphic gradients. |
Comm #4742
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Ilex opaca / Morella pensylvanica Forest
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accession code: urn:lsid:vegbank.org:commConcept:35020-{0ACD82C4-B1BD-4C71-960A-6C2514D8B376}
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NatureServe Biotics 2019 |
1
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This type represents maritime holly forest of the lee sides of backdunes in New Jersey and Long Island, New York. It occurs in low areas behind backdunes where it is protected from overwash and salt spray. Substrate is sandy loam over coarse sand. The dominant tree is <i>Ilex opaca</i>. Other canopy associates can include <i>Amelanchier canadensis, Amelanchier laevis, Acer rubrum, Celtis occidentalis, Sassafras albidum, Quercus stellata, Quercus velutina</i>, and <i>Prunus serotina</i>. Characteristic shrubs include <i>Morella pensylvanica, Gaylussacia baccata, Rhus copallinum, Vaccinium corymbosum</i>. <i>Sambucus canadensis, Viburnum dentatum</i>, and <i>Toxicodendron vernix</i> can occur infrequently. Vines are particularly abundant, and include <i>Toxicodendron radicans, Smilax rotundifolia, Parthenocissus quinquefolia</i>, and <i>Vitis</i> spp. The herbaceous layer is sparsely to moderately developed and includes <i>Aralia nudicaulis, Maianthemum stellatum, Maianthemum canadense, Maianthemum racemosum, Carex pensylvanica</i>, and <i>Cypripedium acaule</i>. In locally wetter, boggy areas within the forest <i>Nyssa sylvatica, Rhododendron viscosum, Vaccinium corymbosum, Photinia melanocarpa, Osmunda cinnamomea, Osmunda regalis</i>, and <i>Thelypteris palustris</i> occur abundantly. |
Comm #4743
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Betula alleghaniensis - Acer rubrum - (Tsuga canadensis, Abies balsamea) / Osmunda cinnamomea Swamp Forest
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accession code: urn:lsid:vegbank.org:commConcept:35024-{10FE73BC-394D-4C77-801A-6C57FFA0F503}
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NatureServe Biotics 2019 |
1
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This mixed forest type occurs in moist ecotonal areas between uplands and wetlands in New England and the Northern Appalachians. Settings include stream drainages, seepage channels, inactive river terraces, and slope bottoms, but not permanently saturated basins. Perennial seepage from upslope or an impervious soil layer keeps water near the surface. There is often pronounced hummock-and-hollow microtopography. The somewhat acidic to circumneutral mineral soils are typically saturated early in the season but may dry out as summer progresses. The canopy closure ranges from somewhat open to nearly closed. Shrubs are sparse; the herb layer is patchy and may be locally dense. The bryoid layer is typically fairly sparse. The canopy is codominated by <i>Tsuga canadensis</i> and mixed hardwoods such as <i>Betula alleghaniensis, Fraxinus americana</i>, and <i>Acer rubrum</i>. Less frequent species can include <i>Pinus strobus, Fraxinus pennsylvanica</i>, and <i>Fraxinus nigra</i>. <i>Picea rubens</i> may occur sporadically at the northern extent of this community, and <i>Nyssa sylvatica</i> may occur to the south. The shrub layer often includes <i>Lindera benzoin, Viburnum lantanoides</i>, and <i>Acer pensylvanicum</i>. The herb layer reflects the underlying moisture gradients, with <i>Osmunda cinnamomea, Osmunda claytoniana, Geum rivale, Impatiens capensis, Thelypteris palustris, Arisaema triphyllum, Symplocarpus foetidus, Hydrocotyle americana</i>, and <i>Cardamine pensylvanica</i> in the more moist areas, and <i>Coptis trifolia, Thelypteris noveboracensis, Athyrium filix-femina, Oclemena acuminata, Dryopteris intermedia, Cornus canadensis, Aralia nudicaulis</i>, and <i>Clintonia borealis</i> typical of the areas grading to upland. Bryophyte cover is variable and often includes <i>Sphagnum girgensohnii, Thuidium delicatulum, Bazzania trilobata</i>, and <i>Mnium</i> spp. These forests are somewhat similar to <i>~Tsuga canadensis - Betula alleghaniensis / Ilex verticillata / Sphagnum</i> spp. Swamp Forest (CEGL006226)$$ but occur on mineral soils, not in peaty basins, and have understory species that indicate somewhat more nutrient-enriched conditions. |
Comm #4744
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Chamaedaphne calyculata / Eriophorum virginicum / Sphagnum rubellum Acidic Peatland
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accession code: urn:lsid:vegbank.org:commConcept:35144-{B5E89B27-06E3-4F87-9C96-F39E21B559A8}
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NatureServe Biotics 2019 |
1
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These nutrient-poor fens are found across the glaciated northeastern United States and likely adjacent Canada. Physiognomy is that of a dwarf-shrubland of variable cover over a bryophyte carpet. They occur as floating or quaking mats in peat-accumulating basins, either closed basins or, if in open basins, with very restricted water movement. Kettleholes in glacial deposits are a classic setting. Conditions are acidic, with pH averaging about 4.0, and nutrient availability is very limited. Often referred to as "bogs," these are technically fens since the vegetation is in contact with groundwater. Trees and tall shrubs, if present, are sparse, and the vegetation is dominated by bryophytes and the dwarf-shrub layer, the latter typically with 40-80% cover. Herb cover is variable but is less than the dwarf-shrub cover. The bryophyte layer is essentially continuous. <i>Chamaedaphne calyculata</i> dominates the dwarf-shrub layer; <i>Andromeda polifolia var. glaucophylla</i> is usually present, a good indicator, and may occasionally approach codominance. <i>Myrica gale, Kalmia polifolia, Ledum groenlandicum</i>, and <i>Kalmia angustifolia</i> are frequent, although not at high cover. Scattered tall shrubs (usually near the upland margin) and stunted trees may include <i>Gaylussacia baccata, Lyonia ligustrina, Picea mariana</i>, and <i>Larix laricina</i>. Prominent sedges are <i>Eriophorum vaginatum var. spissum</i> (on hummocks), <i>Eriophorum virginicum</i>, and <i>Rhynchospora alba</i> (on <i>Sphagnum</i> mats), and, under the wettest conditions, <i>Eriophorum angustifolium</i>. <i>Carex oligosperma, Carex utriculata</i>, or <i>Carex pauciflora</i> may also be present. <i>Vaccinium oxycoccos</i> grows as a trailing shrub on the <i>Sphagnum</i> mats, where <i>Sphagnum rubellum</i> and/or <i>Sphagnum magellanicum</i> usually dominate. Other common <i>Sphagnum</i> spp. include <i>Sphagnum fallax</i> and <i>Sphagnum angustifolium</i>. Diagnostic characteristics include the dominance of <i>Chamaedaphne calyculata</i> and presence of <i>Vaccinium oxycoccos</i> in a setting that is not a raised bog, with lower abundance of graminoids than shrubs, and without species of somewhat southerly affinity such as <i>Decodon verticillatus</i> and <i>Peltandra virginica</i>. |
Comm #4745
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Symplocarpus foetidus - Impatiens capensis Seepage Meadow
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accession code: urn:lsid:vegbank.org:commConcept:35193-{2653DDBE-B0FD-404F-9AAE-23738BB33B54}
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NatureServe Biotics 2019 |
1
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This small seepage wetland vegetation occurs in low-lying areas such as streamheads, lower slope drainages, and the borders of small streams where groundwater emerges. The substrate is mucky, with rocks and boulders often visibly protruding above the surface. Little quantitative data exist for this vegetation, although it appears to be quite common in the northeastern United States. Typically, this vegetation is shaded by tree species of higher ground and surrounding edges of the community, but these species are not characteristic of the vegetation and vary widely among occurrences. <i>Lindera benzoin</i> may occur, particularly at the edges. Characteristic herbaceous species are <i>Symplocarpus foetidus, Impatiens capensis</i>, and <i>Arisaema triphyllum</i>. Other common associates are variable but may include <i>Veratrum viride, Pilea pumila, Cardamine pensylvanica, Saxifraga pensylvanica, Carex canescens, Caltha palustris</i>, and <i>Viola sororia</i>. |
Comm #4746
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Juncus arcticus var. balticus – Carex praegracilis Association
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accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28736-{4997E8CD-485E-4EEA-BEA8-22925E98C4EC}
NOT CURRENTLY ACCEPTED
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MCV2 |
1
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Comm #4747
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Quercus lobata / Herbaceous Semi-Riparian Association
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:443-{17989DEB-B32F-467F-A57E-E1F316734FF1}
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MCV2 |
1
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71.040.13 |
Comm #4748
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Quercus kelloggii / Toxicodendron diversilobum – Styrax redivivus / Triteleia laxa Association
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:418-{796E2997-E1E3-4310-94D4-13FE960B8233}
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MCV2 |
1
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71.010.10 |
Comm #4749
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Quercus douglasii – Quercus wislizeni – Pinus sabiniana Association
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:431-{A8A3FCAC-DEAC-48E3-8E30-1507E08D9D87}
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MCV2 |
1
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71.020.18 |
Comm #4750
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Quercus douglasii / Ericameria linearifolia Association
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:429-{AA41D294-366D-4B37-A481-D96A37BA6A12}
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MCV2 |
1
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71.020.08 |
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