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Name
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Reference
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Description |
Comm #13161
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Picea engelmannii / Vaccinium uliginosum Woodland
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accession code: VB.CC.21186.PICEAENGELMANNI
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Western Ecology Working Group of... |
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Comm #13162
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Platanus occidentalis - Betula nigra / Cornus amomum / (Andropogon gerardii, Chasmanthium latifolium) Woodland
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accession code: VB.CC.34848.CEGL003725
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Southeastern Ecology Working Gro... |
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These woodlands occur along high-energy Appalachian rivershores, such as along the New, Bluestone, and Gauley rivers in West Virginia. They maintain an open canopy due to mechanical disturbance (flooding and scouring). The coarse-textured substrates are potentially well-drained, but fluvial topography and proximity to the water table often result in a mixture of well-drained and poorly drained microsites. The usually short, open canopy is composed mostly of flood-battered trees, typically codominated by <i>Platanus occidentalis</i> and <i>Betula nigra</i>. The tallest trees are often the younger ones which have not yet been subjected to damage by severe floods. Additional important trees include <i>Acer saccharinum, Acer rubrum, Carpinus caroliniana, Catalpa speciosa, Diospyros virginiana, Fraxinus americana, Fraxinus pennsylvanica, Nyssa sylvatica, Robinia pseudoacacia, Salix nigra, Ulmus americana</i>, and <i>Ulmus rubra</i>. <i>Tsuga canadensis</i> is present in some sites along the Gauley River. Common shrubs include <i>Alnus serrulata, Cephalanthus occidentalis, Chionanthus virginicus, Cornus amomum, Hypericum prolificum, Ilex verticillata, Lindera benzoin, Physocarpus opulifolius, Salix caroliniana</i>, and <i>Xanthorhiza simplicissima</i>. The invasive exotic shrub <i>Rosa multiflora</i> is sometimes present. There is often a large component of woody vines in the short-shrub layer, including <i>Campsis radicans, Toxicodendron radicans</i>, and <i>Vitis rupestris</i>. The herb layer is composed of a mixture of warm-season grasses and forbs adapted to frequent flooding and high light exposure. Characteristic herbs include <i>Andropogon gerardii, Apocynum cannabinum, Baptisia australis, Chasmanthium latifolium, Conoclinium coelestinum, Cryptotaenia canadensis, Deschampsia flexuosa, Dichanthelium clandestinum, Eupatorium fistulosum, Galium triflorum, Justicia americana, Lobelia cardinalis, Lysimachia ciliata, Onoclea sensibilis, Osmunda regalis var. spectabilis, Packera aurea, Packera paupercula, Panicum virgatum, Pilea pumila, Rudbeckia laciniata, Solidago gigantea, Solidago juncea, Solidago simplex var. racemosa, Solidago rugosa, Symphyotrichum prenanthoides, Tradescantia ohiensis, Trautvetteria caroliniensis, Tripsacum dactyloides, Verbesina alternifolia</i>, and <i>Viola cucullata</i>. Exotic herbs which are common, usually in small amounts, include <i>Prunella vulgaris, Plantago rugelii, Trifolium pratense, Melilotus officinalis, Lysimachia nummularia</i>, and <i>Coronilla varia</i>. |
Comm #13163
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CEGL000856
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accession code: VB.CC.3460.CEGL000856
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #13164
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Quercus arkansana - Quercus incana / Selaginella arenicola ssp. riddellii Woodland
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accession code: VB.CC.35142.CEGL003693
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Southeastern Ecology Working Gro... |
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This xeric woodland is characterized by a low (<12 m), open canopy often dominated by <i>Quercus arkansana</i> and <i>Quercus incana</i>, with lesser amounts of <i>Quercus margarettiae, Quercus stellata</i>, and <i>Pinus echinata</i>. Canopy species occur as small groves or in more-or-less uniform stands, along with some dense patches of shrubs and woody vines. Areas with woody vegetation are interspersed with open areas dominated by grasses, bare sand, or a sparse combination of component herbs, often with patches of <i>Selaginella arenicola ssp. riddellii</i>. The herbaceous species serve as particularly good indicators of xeric conditions; many species are both fidel to this habitat in the region and endemic to the West Gulf Coastal Plain. |
Comm #13165
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Pinus ponderosa Scree Woodland
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accession code: VB.CC.26360.PINUSPONDEROSAS
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Western Ecology Working Group of... |
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In the Black Hills, talus and scree slopes are found scattered throughout at elevations in the range of 3600-6500 feet. They are best developed in association with metamorphic rock outcrops (schist, slate) in the Central Core, sandstone cliffs and canyons in the Hogback Rim, and Tertiary igneous features in the northern Black Hills (e.g., Devils Tower, Sundance Mountain, Bear Butte). Soils generally are poor and restricted to small accumulations among talus and scree. The concept of this type applies to stands with greater than 20% tree canopy cover dominated by Pinus ponderosa. The understory is thought to be generally sparse. See BHCI report. |
Comm #13166
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CEGL000044
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accession code: VB.CC.2672.CEGL000044
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #13167
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CEGL006534
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accession code: VB.CC.6916.CEGL006534
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #13168
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Quercus turbinella - (Amelanchier utahensis) Colluvial Shrubland
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accession code: VB.CC.32543.CEGL002950
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Western Ecology Working Group of... |
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This association has only been described from Zion National Park. Until further inventory is completed there is no global information. |
Comm #13169
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CEGL003048
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accession code: VB.CC.5259.CEGL003048
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #13170
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Quercus stellata / Viburnum rufidulum - Forestiera ligustrina / Andropogon gerardii Woodland
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accession code: VB.CC.35239.CEGL003712
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Southeastern Ecology Working Gro... |
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This woodland is restricted to the Inner Nashville Basin of Tennessee, where it occurs in association with Limestone Cedar Glades, in deeper soils than those of the annual grass zone. The prevalent tree is <i>Quercus stellata</i>. The open subcanopy may contain <i>Juniperus virginiana var. virginiana</i>. Shrubs include <i>Forestiera ligustrina, Hypericum frondosum, Rhus aromatica</i>, and <i>Viburnum rufidulum</i>. Fire suppression in these sites may lead to dense undergrowth of <i>Juniperus</i>. Graminoids present may include <i>Andropogon gerardii</i> and/or <i>Schizachyrium scoparium</i>. Some other herbaceous species include <i>Baptisia australis var. aberrans (= Baptisia minor var. aberrans), Comandra umbellata, Eryngium yuccifolium, Hypoxis hirsuta, Lithospermum canescens, Parthenium integrifolium</i>, and <i>Viola pedata</i>. The state-listed <i>Echinacea simulata, Liatris cylindracea</i>, and <i>Polygala boykinii</i> are also found here. |
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