| Add/Drop |
Name
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Reference
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Plots↓
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Description |
Comm #521
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Tilia americana - Fraxinus americana / Acer pensylvanicum / Parthenocissus quinquefolia - Impatiens pallida Woodland
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accession code: urn:lsid:vegbank.org:commConcept:36588-{F8E1A3F9-AFEB-4D99-9F7B-F44D56DBD228}
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NatureServe Biotics 2019 |
37
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This community type occurs throughout the northern Blue Ridge in Virginia, Maryland, and West Virginia, and more locally in the western Virginia Ridge and Valley region. Sites include steep, boulder and stone slides below cliffs; boulder-filled slope concavities and hollow-heads; and other very rocky, submesic to mesic habitats at middle elevations between 760 and 1030 m (2500-3400 feet). This is an open to closed, mixed hardwood forest, with tall, well-formed trees. Because of somewhat unstable substrates and occasional exposure to severe wind and ice storms, downfalls and crown damage may be frequent in some stands. <i>Tilia americana</i> (including both <i>var. americana</i> and <i>var. heterophylla</i>), <i>Fraxinus americana</i>, and <i>Quercus rubra</i> are the most abundant, variably dominant or codominant canopy trees. <i>Carya cordiformis, Robinia pseudoacacia</i>, and <i>Carya ovata</i> are minor but constant canopy associates. Understory layers tend to be open, with <i>Acer pensylvanicum, Ostrya virginiana, Sambucus racemosa</i>, and <i>Ribes rotundifolium</i> the most characteristic species. The usually patchy herb layer varies greatly in richness and density with substrate conditions. |
Comm #522
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Quercus douglasii / Ericameria linearifolia – Juniperus californica Association
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accession code: urn:lsid:vegtwig.vegbank.org:commconcept:432-{E35945D3-CA50-480A-A244-5BE996107D5B}
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MCV2 |
37
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71.020.19 |
Comm #523
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Black Cherry - Tuliptree - Red Maple Successional Forest
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accession code: urn:lsid:vegbank.org/ecoObs:commConcept:17613-{469C1BD7-F13E-4306-B5D3-2E238D8B4C0D}
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Zimmerman et al. 2012 |
37
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Comm #524
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TALUS - SCREE SPARSE VEGETATION ALLIANCE
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accession code: VB.cc.30304.TALUSSCREESPARS
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NVC 2004 |
36
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Comm #525
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Pinus jeffreyi Woodland Alliance
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accession code: VB.cc.30759.PINUSJEFFREYIWO
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NVC 2004 |
36
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Comm #526
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Atemisia tridentata ssp. wyomingensis Shrubland Alliance
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accession code: VB.cc.29872.ATEMISIATRIDENT
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NVC 2004 |
36
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Comm #527
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Peninsula Xeric-Mesic Flatwoods
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accession code: urn:lsid:cvs.bio.unc.edu:commConcept:28576-{E8669B93-A0A5-4815-AA01-FB2106D9DBC8}
NOT CURRENTLY ACCEPTED
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S. Carr PhD |
36
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Comm #528
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PSEUDOTSUGA MENZIESII WOODLAND ALLIANCE
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accession code: VB.CC.11652.PSEUDOTSUGAMENZ
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Jennings 2003. Vegetation alliances: composition and function. |
36
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Comm #529
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PLAYA SPARSELY VEGETATED ALLIANCE
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accession code: VB.cc.30169.PLAYASPARSELYVE
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NVC 2004 |
36
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Comm #530
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Pinus taeda - Quercus (alba, falcata, stellata) Successional Coastal Plain Forest
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accession code: urn:lsid:vegbank.org:commConcept:33543-{356CBFE8-B943-40EB-832B-4F7134AB2C26}
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NatureServe Biotics 2019 |
36
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This successional loblolly pine - oak forest of the Maryland and Virginia Coastal Plain occurs on coarse-textured, shallow dry soils. Abandoned loblolly pine plantations or early-successional loblolly pine forests established following cessation of agriculture often succeed to this vegetation as oaks are recruited and form variable proportions of the canopy. The canopy is dominated by <i>Pinus taeda</i> with varying amounts of <i>Quercus alba, Quercus falcata, Quercus velutina</i>, and <i>Quercus stellata</i>. <i>Liquidambar styraciflua</i> may be present but not generally in quantity. The shrub layer is of variable closure and is often characterized by <i>Ilex opaca var. opaca, Morella cerifera</i>, or <i>Persea palustris</i>. Vines such as <i>Smilax rotundifolia, Vitis rotundifolia</i>, and <i>Toxicodendron radicans</i> can contribute considerable cover in the tree canopy. The herbaceous layer is sparse to non-existent, or is made up of exotic species such as <i>Microstegium vimineum</i>. This association is considered provisional because it has not been well-documented and plot data are limited. This association is somewhat similar to ~<i>Pinus taeda / Liquidambar styraciflua - Acer rubrum / Vaccinium stamineum</i> Ruderal Forest (CEGL006011)$$, and in fact may be preceded by it in successional sequence, but it has a higher component of hardwoods, especially oaks, in the canopy. |
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