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Add/Drop	Name	Reference	Plots↓	Description
Comm #1121	Pinus banksiana - (Pinus resinosa) / Corylus cornuta Forest » more details accession code: urn:lsid:vegbank.org:commConcept:31350-{D20B67BA-1454-43B5-B66D-CA1540D03545}	NatureServe Biotics 2019	16	This jack pine woodland community type is found in upper midwestern United States and possibly adjacent Canada. Stands are found on flat to rolling topography, such as glaciofluvial and lacustrine deposits, moraines, and other glacial features. The soils are sandy loams, fine sands, and loamy sands, shallow to deep, and with low organic content. The overstory of this forest community is dominated by moderately to densely spaced conifers with a scattering of deciduous trees. The trees in this community are typically 15-20 m tall. <i>Pinus banksiana</i> is often the sole dominant. <i>Pinus resinosa, Betula papyrifera</i>, and <i>Populus tremuloides</i> are canopy associates, and the subcanopy is typically sparse. The shrub layer contains abundant <i>Corylus cornuta</i>, along with <i>Amelanchier</i> spp., <i>Corylus americana, Diervilla lonicera, Vaccinium angustifolium</i>, and <i>Viburnum rafinesqueanum</i>. The herb layer is often dominated by <i>Pteridium aquilinum</i>, with common species including <i>Linnaea borealis, Gaultheria procumbens</i>, and <i>Chimaphila umbellata</i>.
Comm #1122	Pinus virginiana Ruderal Forest » more details accession code: urn:lsid:vegbank.org:commConcept:31499-{D6C9ABA1-16A0-4C00-9DE6-71974DB403A0}	NatureServe Biotics 2019	16	This ruderal Virginia pine forest of the southeastern states occurs in areas where canopy removal has created dry, open conditions and bare mineral soil, allowing for the establishment of <i>Pinus virginiana</i>. These habitats include old fields, old pastures, clearcuts, and eroded areas; soils are typically dry, acidic, and infertile. It is common on abandoned farmland. This forest typically has a very dense canopy of <i>Pinus virginiana</i> and little understory vegetation. The dense canopy may also include admixtures of other <i>Pinus</i> species (e.g., <i>Pinus taeda, Pinus echinata, Pinus rigida, Pinus strobus</i>) or other early-successional deciduous trees (e.g., <i>Acer rubrum, Liquidambar styraciflua, Prunus serotina, Liriodendron tulipifera, Fraxinus americana, Nyssa sylvatica</i>). Associated woody and herbaceous species vary with geography but are typically ruderal or exotic species. Shrub and herb layers are frequently very sparse. Stands are short-lived, generally less than 75 years.
Comm #1123	Cladium mariscus Tidal Salt Marsh » more details accession code: urn:lsid:vegbank.org:commConcept:33021-{6562B5E2-6499-4D63-A9BB-EE97C12F40E4}	NatureServe Biotics 2019	16	This association is a brackish marsh of the northern Gulf of Mexico and Atlantic Coast. Examples are dominated by <i>Cladium mariscus ssp. jamaicense</i> in often dense stands. Additional species may include <i>Juncus roemerianus, Osmunda regalis, Polygonum hydropiperoides, Spartina alterniflora, Spartina bakeri, Typha domingensis, Amaranthus australis, Amaranthus cannabinus, Hibiscus</i> sp., <i>Solidago sempervirens var. mexicana</i>, and <i>Woodwardia virginica</i>, among others. In addition, there may be a sparse tree layer (10-15 m tall) of <i>Acer rubrum, Juniperus virginiana var. silicicola</i>, and <i>Sabal palmetto</i>. There may also be a very sparse to moderate shrub layer (2-5 m) of <i>Acer rubrum, Baccharis angustifolia, Morella cerifera</i>, and <i>Salix caroliniana</i>, among others. In addition, the noxious exotic <i>Triadica sebifera</i> could be present.
Comm #1124	Platanus racemosa - Quercus agrifolia Woodland » more details accession code: VB.CC.37374.CEGL002858		16	This mesic woodland occurs on gentle to steep slopes with variable aspects at low elevations between 166 and 480 m. Stands occur on draws and concave areas of hillslopes that are more mesic than surrounding hillsides. Since stands are not associated with running water or springs, they are not considered riparian. This association is codominated by <i>Platanus racemosa</i> and <i>Quercus agrifolia</i> in the tree layer. <i>Heteromeles arbutifolia</i> is characteristically present at low cover in the understory shrub layer, and a variety of grasses and forbs are found in the herbaceous layer.
Comm #1125	Quercus lobata – Alnus rhombifolia Association » more details accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28620-{64080ABE-EA7E-4816-9208-3A9EA6107175} NOT CURRENTLY ACCEPTED	MCV2	16
Comm #1126	Salix laevigata Association » more details accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28644-{90E9DD8B-4AFE-4E27-B75E-498D309C9F71} NOT CURRENTLY ACCEPTED	MCV2	16
Comm #1127	Cyrilla racemiflora - Lyonia lucida Wet Shrubland » more details accession code: urn:lsid:vegbank.org:commConcept:32704-{B15424C9-F4FB-4AE1-8326-3B69B93B137B}	NatureServe Biotics 2019	16	This community is found in the Southeastern Coastal Plain of the United States potentially from the Carolinas to Mississippi and possibly Louisiana. It occupies a marginal zone (sometimes very narrow, sometimes broader) of coastal plain ponds. Occasionally, this zone may dominate entire small depressions. <i>Cyrilla racemiflora</i> and <i>Lyonia lucida</i> usually dominate. An example at Fort Gordon, Georgia, contains the shrubs <i>Lyonia lucida, Morella cerifera</i>, and <i>Viburnum nudum var. nudum</i>, along with the herbs and low shrubs <i>Dulichium arundinaceum, Eupatorium</i> sp., <i>Hypericum</i> sp., <i>Triadenum</i> sp., <i>Ludwigia</i> sp., <i>Xyris</i> sp., and <i>Scirpus cyperinus</i>?. An example on Apalachicola National Forest includes <i>Clethra alnifolia, Pieris phillyreifolia</i>, and <i>Ilex myrtifolia</i>.
Comm #1128	Pinus (virginiana, taeda) / Juniperus virginiana - Chionanthus virginicus - Ulmus alata Granitic Flatrock Border Forest » more details accession code: urn:lsid:vegbank.org:commConcept:32842-{D08EA12A-D00F-461F-8A8B-3199ED892196}	NatureServe Biotics 2019	16	This granitic flatrock border woodland occurs on shallow soils over exfoliated granitic bedrock, on the margins of Piedmont Fall-line granite outcrops (some of which are actually found east of the fall-line in the Coastal Plain). Stands are generally associated with open granitic flatrock communities. Stands of this association are somewhat open forests or woodlands. The closure of stands may be variable, and many would fall below the 60% forest/woodland threshold, but this association is placed in a "forest" alliance. The canopy is typically dominated by <i>Pinus virginiana</i> or <i>Pinus taeda</i>. Other canopy species, which also may form an open understory, include <i>Juniperus virginiana, Ulmus alata, Carya glabra, Chionanthus virginicus</i>, and <i>Quercus stellata</i>. Frequent shrubs include <i>Vaccinium arboreum</i> and <i>Rhus copallinum</i>. Other shrubs include <i>Vaccinium stamineum</i> and <i>Rhus aromatica</i>. Woody vines, especially <i>Vitis rotundifolia, Toxicodendron radicans, Smilax bona-nox</i>, and <i>Smilax rotundifolia</i>, are often abundant. Herb cover is generally low to moderate and usually includes only small amounts of the species of the open rock. Grasses, including <i>Schizachyrium scoparium, Piptochaetium avenaceum</i>, or <i>Danthonia spicata</i>, may be common. Xerophytic species such as <i>Opuntia humifusa</i> or <i>Yucca filamentosa</i> are often present, as are typical forest species such as <i>Chimaphila maculata</i> and <i>Asplenium platyneuron</i>. The understories of stands of this type may become invaded by the exotic species <i>Ligustrum sinense, Lonicera japonica, Microstegium vimineum</i>, or <i>Stellaria media</i>.
Comm #1129	Juncus roemerianus - Pontederia cordata Tidal Marsh » more details accession code: urn:lsid:vegbank.org:commConcept:33442-{0F131A24-8094-480F-AB95-D9D0382ECCA1}	NatureServe Biotics 2019	16	This tidal marsh association occurs in freshwater, wind-tidal settings in coastal marshes of Virginia and North Carolina. <i>Juncus roemerianus</i> is the dominant, but other characteristic species include <i>Pontederia cordata, Thelypteris palustris var. pubescens, Polygonum punctatum, Cladium mariscus ssp. jamaicense, Asclepias lanceolata, Osmunda regalis var. spectabilis, Eleocharis fallax, Sagittaria lancifolia ssp. media, Boehmeria cylindrica</i>, and others. This vegetation is differentiated from other poly- or mesohaline vegetation dominated by <i>Juncus roemerianus</i> by the presence of species characteristic of oligohaline or freshwater conditions, and by the relatively higher species diversity. The substrate is markedly hummock-and-hollow, with relatively firm hummocks and deep, soupy hollows.
Comm #1130	Arctostaphylos viscida Sierran Chaparral Shrubland » more details accession code: urn:lsid:vegbank.org:commConcept:34473-{A421CA7F-87D4-4DED-815C-24E77820B666}	NatureServe Biotics 2019	16	This shrubland association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. The dominant species is widespread in cismontane California in the Klamath Ranges and in the Sierra Nevada, thus this association is probably more common than indicated here. Stands are found at xeric to dry-mesic sites at low to mid elevations (850-1585 m [2800-5200 feet]) of slopes with variable aspects but mostly south-facing and on moderately steep drier north- and east-facing slopes. Slopes vary but can be moderately steep to fairly steep usually on the upper portions of east- to southeast-facing, somewhat steep slopes. Sites are usually located on ridgetops and tops of spurs off main ridges with soils that tend to be poorly developed to moderately well-developed with textures ranging from sand to silt loam. Soils are well-drained to rapidly draining. Parent material is either metamorphic or granitic. Litter and bare ground make up the unvegetated surface. This successional association forms open to continuous stands dominated by <i>Arctostaphylos viscida</i>. Often found in this association are isolated individuals and multiple juvenile <i>Calocedrus decurrens, Quercus kelloggii</i>, and <i>Chamaebatia foliolosa</i>. Occasionally, isolated or young <i>Pinus attenuata, Pinus ponderosa, Pinus jeffreyi, Quercus kelloggii</i>, and <i>Apocynum androsaemifolium</i> are present. A variety of other species present in this association may include <i>Ceanothus tomentosus, Eriodictyon californicum, Mimulus floribundus, Chlorogalum pomeridianum, Carex multicaulis, Ceanothus parvifolius, Ceanothus cordulatus, Chamaesyce serpyllifolia, Dendromecon rigida, Lupinus breweri</i>, and <i>Prunus emarginata</i>. This association is fairly common as a fire recovery association and species composition is highly variable.