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Add/Drop	Name	Reference	Plots↓	Description
Comm #11701	Granite - Metamorphic Black Hills Rock Outcrop Sparse Vegetation » more details accession code: VB.CC.37020.CEGL002295	Midwestern Ecology Working Group...	0	This granitic - metamorphic rock outcrop community is found in the Black Hills of the United States and may be related to rock outcrop types in the Rocky Mountains. Included are igneous and metamorphic rock types (e.g., granites, slates, phonolite porphyry). This community is found where granite or schist bedrock is exposed in the higher elevations of the Black Hills. Slopes range from none (flat) to steep. There is little soil development; what soil there is can be found in cracks and depressions in the rock surface. Few vascular plants grow in this community, although lichens are common. Widely scattered <i>Pinus ponderosa</i> grow where there is enough soil to support their roots. Dwarf-shrubs and herbaceous species, such as <i>Arctostaphylos uva-ursi, Juniperus communis</i>, and <i>Carex inops ssp. heliophila</i> can be found in soils pockets as well.
Comm #11702	Igneous Ozark Dry Cliff Sparse Vegetation » more details accession code: VB.CC.36909.CEGL002286	Midwestern Ecology Working Group...	0	This igneous dry cliff type is found in the Missouri Ozarks of the United States. Stands occur on extremely steep to vertical rock exposures along bluffs and mountain domes, often occurring in a series of irregular rock terraces and ledges or as highly weathered massive outcrops. Aspect is variable, but sites are best developed south and west. Soils are generally absent, except on ledges, where they are shallow, ephemerally wet, but very rapidly drained. Parent material is igneous (dellenite, felsite, granite or rhyolite). The vegetation contains few, if any, tree species, but if present they are stunted, limby, and gnarled. Herbaceous cover is sparse (less than 20%) consisting of spring ephemerals and grasses on ledges. Lichens are common on the rock face. Sites are disturbed by droughts, wind and storm damage. Woody plants include <i>Juniperus virginiana</i> and <i>Ulmus alata</i>. Characteristic herbaceous species include <i>Symphyotrichum oblongifolium (= Aster oblongifolius), Cheilanthes lanosa, Coreopsis lanceolata, Danthonia spicata, Opuntia humifusa (= Opuntia compressa), Polypodium virginianum (= Polypodium vulgare var. virginianum)</i>, and <i>Sporobolus clandestinus</i>. Lichens include <i>Pleopsidium chlorophanum (= Acarospora chlorophana), Cladonia caroliniana, Cladonia strepsilis, Placidium lachneum (= Dermatocarpon lachneum)</i> and <i>Punctelia hypoleucites (= Parmelia hypoleucites)</i>.
Comm #11703	CEGL002552 » more details accession code: VB.CC.4966.CEGL002552 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #11704	CEGL002553 » more details accession code: VB.CC.4967.CEGL002553 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #11705	CEGL007589 » more details accession code: VB.CC.7201.CEGL007589	EcoArt 2002	0
Comm #11706	Sandstone Midwest Moist Cliff Vegetation » more details accession code: VB.CC.36729.CEGL002287	Midwestern Ecology Working Group...	0	This moist sandstone cliff community is found throughout the central and upper midwestern United States and adjacent Canada. Stands occur as steep to vertical rock exposures of sandstone bedrock. Aspect is variable, but stands are best developed on north- and east-facing slopes, or under sandstone overhangs. Vegetation is restricted to shelves, cracks and crevices in the rock, generally averaging less than 20%, and often dominated by forbs and ferns, with mats of mosses and lichens. In the Ozarks and Interior Low Plateau, the herbaceous layer contains the forbs <i>Dicentra canadensis, Dodecatheon frenchii, Heuchera parviflora, Triadenum walteri (= Hypericum walteri), Mitchella repens, Mitella diphylla</i>, among others, and the ferns <i>Athyrium filix-femina, Cystopteris bulbifera, Osmunda cinnamomea, Osmunda regalis</i>, and <i>Trichomanes boschianum</i>. In the Allegheny region of Ohio, the sandstone cliffs include the forbs <i>Agrostis perennans, Aquilegia canadensis, Mitchella repens</i>, and <i>Viola blanda</i>, and the ferns <i>Asplenium montanum, Asplenium pinnatifidum, Asplenium rhizophyllum, Asplenium trichomanes, Cystopteris fragilis, Dennstaedtia punctilobula, Dryopteris intermedia, Dryopteris marginalis, Polypodium virginianum</i>, and the rare <i>Asplenium bradleyi</i>. In Minnesota and Wisconsin the moist cliffs include forbs, such as <i>Aralia nudicaulis, Asarum canadense</i> and <i>Mitella diphylla</i>, and the ferns <i>Cystopteris bulbifera</i> and <i>Cystopteris fragilis</i>. The nonvascular layer is poorly described. Seepage areas in Minnesota include <i>Sullivantia sullivantii (= Sullivantia renifolia)</i> (also found in Missouri) and <i>Cryptogramma stelleri</i>.
Comm #11707	(Lemna spp., Rorippa spp., Heteranthera spp., Hydrocharis spp.) Herbaceous Vegetation » more details accession code: VB.CC.37246.CEGL005151 NOT CURRENTLY ACCEPTED		0
Comm #11708	CEGL000759 » more details accession code: VB.CC.3363.CEGL000759 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #11709	Limestone - Dolostone Midwest Dry Cliff Sparse Vegetation » more details accession code: VB.CC.36873.CEGL002291	Midwestern Ecology Working Group...	0	This limestone - dolostone cliff community type is found throughout the midwestern United States and adjacent Canada. Stands occur as steep to vertical rock exposures of limestone bedrock. Aspect is variable, but stands are best developed on south- and west-facing slopes. Vegetation is restricted to shelves, cracks and crevices in the rock, generally averaging less than 20%, and typically consisting of vines and ferns. In the Ozarks and Interior Plateau region, ferns include <i>Cheilanthes feei, Argyrochosma dealbata (= Notholaena dealbata), Pellaea atropurpurea</i>, and <i>Pellaea glabella</i>. Herbaceous forbs and graminoids include <i>Aquilegia canadensis, Hedyotis nigricans (= Houstonia nigricans), Mentzelia oligosperma, Muhlenbergia cuspidata, Sedum pulchellum</i>, and <i>Solidago rugosa ssp. aspera (= Solidago drummondii)</i>. Lichens include <i>Placidium lachneum (= Dermatocarpon lachneum), Lecanora muralis</i> and <i>Psora russellii</i>. In Ohio, stands contain the ferns <i>Pellaea atropurpurea</i>, and <i>Pellaea glabella</i>, and the forbs <i>Aquilegia canadensis, Arabis laevigata, Heuchera americana, Hydrangea arborescens</i>, and <i>Sedum ternatum</i>. Scattered woody plants across the range include <i>Celastrus scandens, Juniperus virginiana, Parthenocissus quinquefolia, Physocarpus opulifolius, Quercus prinus</i> (southward), and <i>Toxicodendron radicans (= Rhus radicans)</i>, and farther north, <i>Taxus canadensis, Thuja occidentalis</i>, and <i>Tsuga canadensis</i>.
Comm #11710	Limestone - Dolostone Midwest Moist Cliff Vegetation » more details accession code: VB.CC.36872.CEGL002292	Midwestern Ecology Working Group...	0	This limestone - dolostone cliff community occurs in localized areas throughout the midwestern United States and southern Ontario, Canada. The cliffs are often very steep and found along rivers and strongly dissected hills. The aspect is typically northern and east, but is variable. Soils are generally absent, except on ledges or shelves. The cliff is moist due to seepage or shading due to aspect. The vegetation is generally quite sparse (&lt;25% cover). Trees, when present, are scattered. Shrubs, herbs, and nonvascular species are more often present. Characteristic trees include <i>Acer saccharum</i>. Characteristic shrubs include <i>Hydrangea arborescens</i> and <i>Staphylea trifolia</i>. Common ferns include <i>Adiantum pedatum, Asplenium rhizophyllum (= Camptosorus rhizophyllus)</i>, and <i>Cystopteris bulbifera</i>, as well as <i>Asplenium ruta-muraria</i> and <i>Asplenium resiliens</i>. Other herbs include <i>Aquilegia canadensis, Chenopodium simplex, Lysimachia quadriflora, Parnassia grandifolia, Pilea pumila, Selaginella apoda, Solidago caesia</i>, and <i>Solidago flexicaulis</i>. Mosses, liverworts and lichens are also present.