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Add/Drop	Name	Reference	Plots↓	Description
Comm #6641	Carex stricta - Peltandra virginica - Sagittaria (lancifolia ssp. media, latifolia) Tidal Herbaceous Vegetation » more details accession code: VB.CC.36000.CEGL004314	Schafale, M. P. 2011. Classifica...	0	This community occurs as small to medium patches along freshwater rivers influenced by wind tides or rarely in lunar-tidal sites. The vegetation is a diverse mix of forbs and graminoids that includes species intolerant of oligohaline or saltier conditions. Dominant or abundant species include <i>Carex stricta, Peltandra virginica, Sagittaria lancifolia ssp. media, Sagittaria latifolia (= var. latifolia)</i>, or, less frequently, <i>Carex hyalinolepis, Carex alata, Spartina pectinata, Polygonum arifolium</i>, or <i>Typha angustifolia</i>. Other species with high or medium frequency include <i>Osmunda regalis var. spectabilis, Impatiens capensis, Thelypteris palustris, Typha latifolia, Boehmeria cylindrica, Triadenum walteri, Zizania aquatica, Spartina cynosuroides, Panicum virgatum</i>, and <i>Lilium superbum</i>.
Comm #6642	CEGL001030 » more details accession code: VB.CC.3629.CEGL001030 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #6643	Zostera marina Herbaceous Vegetation » more details accession code: VB.CC.31211.CEGL004336	Eastern Ecology Working Group of...	0	These aquatic beds occur in the subtidal zone along the north Atlantic coast, south to North Carolina. <i>Zostera marina</i> is dominant and occurs most often in nearly pure stands. <i>Ruppia maritima</i> can occur sporadically in this association, especially as waters become less saline. Additional associated species include macroalgae, especially <i>Ulva lactuca, Enteromorpha</i> spp., <i>Cladophora</i> spp., and <i>Polysiphonia</i> spp. Where water is less saline, <i>Enteromorpha, Chaetomorpha, Gracilaria, Agardhiella, Ectocarpus</i>, and <i>Pilayella</i> can occur. Elevation/depth of the beds is determined by low tide level at the upper end and light penetration at the lower end, the latter being a function of water depth and turbidity. The beds generally occur in areas with only moderate wave action where salinity fluctuations are minor. Eel-grass beds tend to stabilize and enrich substrate and provide habitat for epiphytes and other marine organisms.
Comm #6644	Quercus alba - Carya alba / Oxydendrum arboreum - Ilex opaca / Gaylussacia frondosa - Symplocos tinctoria - Vaccinium stamineum Coastal Plain Forest » more details accession code: VB.CC.36003.CEGL004321	Schafale, M. P. 2011. Classifica...	0	This association is a dry-mesic oak-hickory forest of Coastal Plain bluffs, dissected slopes, and isolated ridges. The canopy has <i>Quercus alba</i> generally most abundant. <i>Carya alba, Quercus velutina, Quercus rubra, Quercus nigra, Liquidambar styraciflua, Liriodendron tulipifera</i>, and <i>Pinus taeda</i> are frequent. The understory is dominated by varying combinations of <i>Oxydendrum arboreum, Cornus florida, Ilex opaca</i>, and <i>Nyssa sylvatica</i>, sometimes with <i>Persea palustris</i> or <i>Magnolia virginiana</i>, along with the canopy species. Frequent shrub species are <i>Gaylussacia frondosa, Symplocos tinctoria, Vaccinium stamineum, Vaccinium tenellum, Hamamelis virginiana</i>, and <i>Styrax americanus</i>. Other species include <i>Morella cerifera, Callicarpa americana</i>, and <i>Vaccinium arboreum</i>. Wetland species such as <i>Ilex glabra</i> or <i>Clethra alnifolia</i> are often present in small numbers. The herb layer is generally sparse, with <i>Chasmanthium laxum, Mitchella repens</i>, and <i>Hexastylis arifolia</i> the most frequent species.
Comm #6645	Aleutian Freshwater Marsh » more details accession code: urn:lsid:ecoobs.vegbank.org:commConcept:8996-{089A4B37-B7CC-4E16-BF92-C2669EA4EBA6}	Western Ecology Working Group of...	0
Comm #6646	Aleutian Freshwater Aquatic Bed » more details accession code: urn:lsid:ecoobs.vegbank.org:commConcept:8995-{9FF2B62A-03E7-4F6E-AAB5-4291580F54B8}	Western Ecology Working Group of...	0
Comm #6647	Cystopteris bulbifera - (Asplenium rhizophyllum) Sparse Vegetation » more details accession code: VB.CC.36228.CEGL004394	Southeastern Ecology Working Gro...	0	This broadly defined type represents sparse vegetation on calcareous rocks and cliff exposures ranging from Kentucky to Virginia and south to Georgia. Examples have substantial cover of bare rock and bryophytes, along with scattered vascular plants. Dominant species may be <i>Cystopteris bulbifera</i> and <i>Asplenium rhizophyllum</i>. An example from the Chattahoochee National Forest contains <i>Heuchera villosa, Adiantum pedatum, Asplenium rhizophyllum, Carex platyphylla, Cystopteris protrusa, Hepatica nobilis var. acuta, Laportea canadensis</i>, and <i>Solidago flexicaulis</i>. Additional species at a similar site in Great Smoky Mountains National Park included <i>Sedum ternatum, Physocarpus opulifolius, Pellaea atropurpurea</i>, and <i>Packera obovata</i>. Additional types may be developed as more information becomes available.
Comm #6648	Baccharis emoryi / Distichlis spicata Shrubland » more details accession code: VB.CC.32118.CEGL005948	Western Ecology Working Group of...	0	This riparian shrubland association is found along the Pecos in southeastern New Mexico. It occurs along low-gradient rivers with sandy-bottomed channels of wide lowland valleys at elevations around 1120 m (3675 feet). Sites are typically riverbars and terraces where flooding varies from common to rare, but the groundwater is usually within 1 m. Soils are reported as weakly developed Aquic Torrifluvents with sandy textures. <i>Baccharis emoryi</i> forms an open-canopied shrub layer with a distinctively grassy herbaceous layer. <i>Distichlis spicata</i> is abundant and dominates the understory with a scattering of other grasses and forbs, including <i>Muhlenbergia asperifolia, Sporobolus airoides</i>, and, occasionally, <i>Schoenoplectus pungens</i> and other hydric indicators. <i>Tamarix ramosissima</i> can be a significant invader and shrub codominant.
Comm #6649	(Hydrangea arborescens, Toxicodendron radicans) / Heuchera americana - (Dichanthelium depauperatum, Woodsia obtusa) Shrubland » more details accession code: VB.CC.34886.CEGL004395	Southeastern Ecology Working Gro...	0	This association is variable in composition and vegetative cover but includes a range of dry, basic cliffs of variable geology in the interior low-elevation southeastern United States. The association, as broadly defined, is widespread in the Southern Blue Ridge, Cumberlands and Southern Ridge and Valley, and possibly the Interior Low Plateau. It is peripheral in the western Piedmont (e.g., the South Mountains?). Stands are characterized by the presence of scattered to moderately dense vines and forbs. Characteristic vines, shrubs, and scattered shrubs may include <i>Hydrangea arborescens, Toxicodendron radicans ssp. radicans, Parthenocissus quinquefolia, Philadelphus hirsutus, Philadelphus inodorus</i>, and <i>Cercis canadensis</i>. Characteristic herbaceous species (very variable from occurrence to occurrence) include <i>Heuchera americana, Dichanthelium depauperatum, Woodsia obtusa, Viola triloba (= Viola x palmata var. triloba), Oxalis violacea, Carex</i> sp., <i>Dichanthelium depauperatum, Parietaria pensylvanica, Danthonia spicata</i>, and <i>Dichanthelium dichotomum</i>. The exotic <i>Microstegium vimineum</i> may be present
Comm #6650	Cakile edentula ssp. harperi Sparse Vegetation » more details accession code: VB.CC.36394.CEGL004401	Southeastern Ecology Working Gro...	0	This association is a southern Atlantic Coast upper ocean beach community. It occupies the upper portion of ocean beaches in the southern part (Cape Hatteras, North Carolina, to Cumberland Island, Georgia) of the microtidal region (barrier islands with coastal geomorphology dominated by hurricane overwash rather than tidal energy), as well as vegetation further south to Volusia County, Florida. Characteristic species include mostly annual herbs, such as <i>Cakile edentula ssp. harperi, Chamaesyce polygonifolia, Chamaesyce bombensis, Sesuvium portulacastrum, Salsola kali ssp. kali (= Salsola caroliniana)</i>, and <i>Amaranthus pumilus</i>. On Cumberland Island National Seashore in southeastern Georgia, perennials such as <i>Croton punctatus</i> and <i>Uniola paniculata</i> also can be important.