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Add/Drop	Name	Reference	Plots↓	Description
Comm #11641	CEGL001943 » more details accession code: VB.CC.4497.CEGL001943 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #11642	Andropogon gerardii - (Panicum virgatum) - Muhlenbergia richardsonis Herbaceous Vegetation » more details accession code: VB.CC.37037.CEGL002199	Midwestern Ecology Working Group...	0	This big bluestem wet-mesic prairie type is found in the northern tallgrass prairie region of the United States and Canada. In South Dakota, soils are moist loams and poorly drained silt loams derived from glacial drift. The vegetation is dominated by a dense layer of tall grasses, such as <i>Andropogon gerardii</i> and <i>Panicum virgatum</i>, with associates of <i>Calamagrostis canadensis, Calamagrostis stricta</i>, and <i>Spartina pectinata</i>. <i>Muhlenbergia richardsonis</i> may be a diagnostic, less dominant species of the northern tallgrass prairie. In the Sheyenne Delta, this type may form a distinctive wet-mesic sand prairie type.
Comm #11643	Artemisia nova - Ericameria nana Shrubland » more details accession code: VB.CC.34413.CEGL002773	Western Ecology Working Group of...	0
Comm #11644	Cornus sericea - Salix spp. - (Rosa palustris) Shrubland » more details accession code: VB.CC.37068.CEGL002186	Midwestern Ecology Working Group...	0	This dogwood - willow shrub swamp community is found in the upper midwestern region of the United States and Canada. Stands are found along streams and lakes, or in upland depressions. Hydrology is variable but is typically seasonally flooded. Soils are wet, organic, and minerotrophic, with either highly decomposed peat or fine mineral soils. The vegetation is dominated by tall shrubs between 1 and 3 m tall, with at least 25% cover, and often very dense (>60% cover). More open stands may have high graminoid cover. Trees may be scattered but cover less than 25%. Composition of the shrub layer is quite diverse, primarily due to the diversity of <i>Salix</i> spp., which collectively share dominance with <i>Cornus sericea</i>. Willow species include <i>Salix bebbiana, Salix discolor, Salix eriocephala, Salix interior, Salix fragilis</i>, and <i>Salix petiolaris</i>. Other shrub associates include <i>Cephalanthus occidentalis</i> (southeastward), <i>Cornus amomum, Ribes americanum, Rosa palustris</i> (more common eastward), <i>Rosa blanda</i> and <i>Rosa woodsii var. woodsii (= Rosa macounii)</i> (more common westward), <i>Rubus pubescens</i> (northward), <i>Rubus idaeus ssp. strigosus (= Rubus strigosus), Sambucus canadensis, Spiraea alba</i>, and <i>Viburnum lentago</i>. Woody vines present include <i>Clematis virginiana, Parthenocissus quinquefolia</i>, and <i>Toxicodendron radicans</i>. Characteristic herbs include <i>Asclepias incarnata, Symphyotrichum lanceolatum var. lanceolatum (= Aster simplex), Calamagrostis canadensis, Eupatorium maculatum, Glyceria striata (= Glyceria nervata), Impatiens capensis (= Impatiens biflora), Lycopus americanus, Lycopus uniflorus, Phalaris arundinacea, Solidago gigantea</i>, and <i>Thalictrum dasycarpum</i>. A variety of sedges may dominate more open stands, including <i>Carex lacustris</i> and <i>Carex stricta</i>. Tree species include <i>Acer rubrum, Fraxinus pennsylvanica</i>, and <i>Ulmus americana</i>.
Comm #11645	CEGL007678 » more details accession code: VB.CC.7287.CEGL007678	EcoArt 2002	0
Comm #11646	CEGL000914 » more details accession code: VB.CC.3516.CEGL000914 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #11647	Cephalanthus occidentalis / Carex spp. Northern Shrubland » more details accession code: VB.CC.36999.CEGL002190	Midwestern Ecology Working Group...	0	This buttonbush swamp shrubland occurs throughout glaciated regions of the midwestern and northeastern United States and adjacent Canada. Stands occupy shallow water depressions, oxbow ponds, and backwater sloughs of stream and river floodplains. Inundation is usually continuous throughout the year, but these sites can become dry in mid or late summer or during periods of prolonged drought. Soils are deep (>100 cm) consisting of peat or muck over alluvial parent material. The shrub layer can vary from very open to closed (20-80%). <i>Cephalanthus occidentalis</i> typically comprises nearly 90% of the shrub layer in waters 1-2 m deep. Other shrubs commonly encountered include <i>Cornus sericea, Decodon verticillatus, Ilex verticillata, Rosa palustris</i>, and <i>Salix nigra</i>. The herbaceous layer can be very sparse, due to flooding. Rooted or floating aquatics may dominate, including <i>Lemna minor</i> and <i>Nuphar advena (= Nuphar lutea ssp. advena)</i>. Herbs present on the shallow margins include <i>Bidens frondosa, Boehmeria cylindrica, Carex lacustris, Glyceria striata</i>, and others. A scattered tree canopy may occur, including the following species: <i>Acer rubrum, Acer saccharinum, Fraxinus nigra, Fraxinus pennsylvanica</i>, and <i>Ulmus americana</i>. Diagnostic features include the dominance by <i>Cephalanthus occidentalis</i> in glaciated regions and, typically, the presence of standing water.
Comm #11648	Fraxinus anomala Woodland » more details accession code: VB.CC.34146.CEGL002752	Western Ecology Working Group of...	0	This locally occurring association is found in deep canyons and mountains on the Colorado Plateau in Utah and western Colorado between 1430 and 2043 m (4700-6700 feet) elevation. This vegetation is restricted to mesic sites, such as near seeps, springs and ephemeral stream channels, or on lower colluvial slopes where additional soil moisture is available. In rare cases, it occurs on upland sites where fractured bedrock concentrates runoff to create small areas of mesic conditions. Substrates are nearly always derived from colluvium but are often redistributed into alluvial deposits. Soils have large amounts of gravel and cobble. Parent material is typically sandstone. The vegetation is characterized by a moderately dense (30-50%) cold-deciduous tall-shrub (2-5 m) canopy that is dominated by <i>Fraxinus anomala</i> with <i>Amelanchier alnifolia</i> and <i>Quercus gambelii</i> frequent associates. There may be a sparse short-shrub stratum composed of species such as <i>Ephedra viridis, Ericameria nauseosa, Holodiscus dumosus, Rhus trilobata, Symphoricarpos rotundifolius</i>, and the vine <i>Vitis arizonica</i>. Herbaceous species are variable and contribute minimal cover.
Comm #11649	CEGL007679 » more details accession code: VB.CC.7288.CEGL007679	EcoArt 2002	0
Comm #11650	Cephalanthus occidentalis / Carex spp. - Lemna spp. Southern Shrubland » more details accession code: VB.CC.36135.CEGL002191	Southeastern Ecology Working Gro...	0	This buttonbush shrubland occurs widely throughout the southeastern United States. Stands occupy shallow water depressions, oxbow ponds, beaver ponds, and backwater sloughs of stream and river floodplains. It also occurs in upland pond depressions. Inundation is usually continuous throughout the year, but these sites can become dry in mid or late summer or during periods of prolonged drought. In floodplain situations, soils are deep (1 m or more) consisting of peat or muck over alluvial parent material. <i>Cephalanthus occidentalis</i> comprises nearly 90% of the shrub layer in waters 1-2 m deep. Other shrubs commonly encountered may include <i>Cornus</i> sp. (<i>Cornus foemina (= Cornus stricta)</i> or <i>Cornus amomum</i> to the south and <i>Cornus sericea (= Cornus stolonifera)</i> to the north) and <i>Salix</i> spp. Sedges, including <i>Carex stipata, Carex stricta, Carex lurida</i>, and <i>Carex intumescens</i>, are the dominant herbaceous species present, although <i>Hibiscus</i> spp. can also form dense stands in shallower water. <i>Lemna</i> spp. and <i>Leersia oryzoides</i> are also common plants in this natural community. <i>Populus heterophylla</i> and <i>Nyssa biflora</i> or <i>Nyssa aquatica</i> may also occur within their range. Floristic characteristics that distinguish this type from more northern types are needed. This may occur as a long-persistent successional stage. This community can result from natural or artificial disturbance of hydrology.