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Add/Drop	Name	Reference	Plots↓	Description
Comm #1051	Brachypodium distachyon – Bromus diandrus / Quercus douglasii Semi-natural Association » more details accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28868-{1BA3095F-A69B-40AB-8A00-EE22EFAD7989} NOT CURRENTLY ACCEPTED	MCV2	17
Comm #1052	MINE SPARSE VEGETATION ALLIANCE » more details accession code: VB.cc.30145.MINESPARSEVEGET	NVC 2004	17
Comm #1053	Pinus taeda - Quercus hemisphaerica / Osmanthus americanus / Ilex glabra Woodland » more details accession code: urn:lsid:vegbank.org:commConcept:32492-{8C9268A7-5782-46D3-8253-3BAE46F0F99F}	NatureServe Biotics 2019	17	This community consists of pine-oak woodlands on sandy swamp islands isolated from fire, or on levees and creek banks where fire is limited. The open to closed canopy is dominated by <i>Pinus taeda</i> and <i>Quercus hemisphaerica</i>. The subcanopy includes <i>Osmanthus americanus var. americanus, Persea palustris, Ilex opaca var. opaca, Quercus nigra</i>, and <i>Quercus hemisphaerica</i>. The shrub layer is characteristically open, and dominated by <i>Ilex glabra</i>; other species may include <i>Vitis rotundifolia</i> and <i>Lyonia lucida</i>. In Florida, <i>Serenoa repens</i> is important.
Comm #1054	Populus angustifolia / Betula occidentalis Riparian Woodland » more details accession code: urn:lsid:vegbank.org:commConcept:29557-{C993E05E-7074-4B54-883A-14CAD10AE51B}	NatureServe Biotics 2019	17	This lush, deciduous, riparian woodland occurs in mountains and canyons of Nevada, Utah, Idaho, Wyoming, and Colorado on stream terraces or floodplains bordering streams. Elevation ranges from 1450-2600 m. This community is one of the wetter <i>Populus angustifolia</i> plant associations, which indicates a perennial source of water. Some stands occur on hillside seeps. Substrate is well-drained, rocky and coarse-textured alluvial soil. Water tables are generally between 0.5-4 m below the surface. The upper tree canopy is open (typically less than 60% cover) and is dominated by <i>Populus angustifolia</i>, with <i>Acer negundo</i> occasionally codominating in late-seral stands. <i>Pseudotsuga menziesii</i> and <i>Juniperus scopulorum</i> are scattered in some stands. <i>Betula occidentalis</i> forms a moderate to dense short-tree/tall-shrub canopy, often forming a thicket along the stream. Other species, such as <i>Alnus incana, Acer grandidentatum, Acer glabrum, Amelanchier alnifolia</i>, and several species of <i>Salix</i>, including <i>Salix lutea, Salix lucida ssp. lasiandra</i>, and <i>Salix bebbiana</i>, may be present. The moderately dense short-shrub layer may include <i>Cornus sericea, Paxistima myrsinites, Rosa</i> spp., <i>Mahonia repens, Ribes aureum, Symphoricarpos</i> spp., and <i>Rhus trilobata</i> on drier sites. The herbaceous layer may be sparse to dense, depending on the density of the shrub and tree layers. Common species include <i>Equisetum arvense, Osmorhiza berteroi, Carex pellita, Maianthemum stellatum, Achillea millefolium</i>, and the introduced species <i>Bromus inermis, Poa pratensis</i>, and <i>Taraxacum officinale</i>. The dominance of <i>Betula occidentalis</i> separates this association from other <i>Populus angustifolia</i> riparian woodlands.
Comm #1055	Quercus gambelii / Symphoricarpos oreophilus Shrubland » more details accession code: urn:lsid:vegbank.org:commConcept:30026-{1C694838-DB22-484F-813F-F417BC4A6D2A}	NatureServe Biotics 2019	17	This shrubland association is found in foothills, plateaus and mountains from western Texas to southern and western Colorado and throughout southern Utah north into the Wasatch Range, and likely occurs in northern Arizona. It is a mesic upland and non-obligate riparian community. Some stands appear to be transitional between riparian areas and drier upland communities such as <i>Artemisia</i> spp. It occurs on cool, moist sites, such as along drainages in canyons and steep draws in more xeric areas, and as a mesic upland shrubland forming extensive stands on cooler northern slopes. Substrates are typically deep, well-drained sandy loam to clay loam derived from alluvium or colluvium. The vegetation is characterized by an open to closed, typically tall-shrub layer (2-5 m tall) that is dominated by <i>Quercus gambelii</i>. The understory is composed of a short-shrub layer that is dominated by <i>Symphoricarpos oreophilus</i> or a closely related local <i>Symphoricarpos</i> species such as <i>Symphoricarpos rotundifolius</i> or <i>Symphoricarpos palmeri</i>. Other mesic shrubs may be present, including <i>Amelanchier</i> spp., <i>Prunus virginiana, Robinia neomexicana</i>, and <i>Brickellia</i> sp. In some stands, the <i>Quercus gambelii</i> develop into small trees that form a tree canopy. These "woodlands" are included in this association because their floristic composition is identical to the tall shrublands. In other stands the oak is mostly under 2 m tall, forming a short-shrub layer. The herbaceous layer is sparse to moderately dense, depending on density of woody canopy, and is often dominated by graminoids, such as species of <i>Achnatherum, Bromus, Elymus, Poa</i>, and <i>Koeleria</i>. Common forbs include <i>Vicia americana, Thalictrum fendleri</i>, and <i>Achillea millefolium</i>. Occasionally, tree species are present in the overstory.
Comm #1056	DRY-MESIC PICEA, ABIES FOREST » more details accession code: VB.CC.29454.DRYMESICPICEAAB	Peet Dissertation (1975)	17
Comm #1057	Salix monticola / Calamagrostis canadensis Wet Shrubland » more details accession code: urn:lsid:vegbank.org:commConcept:30131-{E6FE8A44-DED1-4890-89A6-18E7D0A70842}	NatureServe Biotics 2019	17	This plant association occurs along broad floodplains and narrow streams in the montane to upper montane elevations of Colorado. The elevational range is 2530-2865 m (8300-9400 feet). Stands have a shrub layer 1.5-2 m (4-5 feet) tall with a typically closed canopy of willows and a lush undergrowth of grasses. The dense shrub layer is dominated by <i>Salix monticola</i>. Other shrubs that may be present include <i>Salix drummondiana, Salix wolfii, Salix geyeriana</i>, and <i>Salix boothii</i>. <i>Calamagrostis canadensis</i> dominates a sparse to dense graminoid layer. Other graminoids that may be present include <i>Carex aquatilis, Carex utriculata, Carex microptera, Deschampsia cespitosa</i>, and <i>Glyceria grandis</i>. Canopy cover for forb species is usually very sparse (&lt;1%). Forb species may include <i>Cardamine cordifolia, Geranium richardsonii, Mertensia ciliata, Oxypolis fendleri, Geum macrophyllum, Solidago canadensis, Senecio bigelovii</i>, and <i>Galium boreale</i>.
Comm #1058	Schoenoplectus pungens Marsh » more details accession code: urn:lsid:vegbank.org:commConcept:30496-{59042CE1-69F8-45E6-BABA-C2FCFD33A927}	NatureServe Biotics 2019	17	This bulrush wet meadow community is found in the western United States in the intermountain basins, as far north as southern British Columbia, as well as in western parts of the Great Plains north into Alberta, Canada. Stands are found along low-gradient, meandering, usually perennial streams and springs and around the margins of ponds and marshes. Substrates are generally dark, organic, fine-textured soils derived from alluvium. <i>Schoenoplectus pungens</i> dominates the dense, 0.3- to 0.6-m tall herbaceous vegetation layer. Other species that often are present include <i>Bolboschoenus maritimus, Spartina gracilis, Hordeum jubatum, Pascopyrum smithii, Juncus arcticus ssp. littoralis, Eleocharis palustris, Lemna minor, Sagittaria latifolia</i>, and <i>Typha</i> spp. Stands of this association contain no tree or shrub layer, but a few scattered trees and shrubs may be present, most commonly <i>Populus deltoides, Populus fremontii, Salix amygdaloides, Salix exigua, Salix gooddingii, Symphoricarpos occidentalis</i>, or <i>Sarcobatus vermiculatus</i>.
Comm #1059	Deschampsia cespitosa Wet Meadow » more details accession code: urn:lsid:vegbank.org:commConcept:30508-{5553B630-DA06-4221-86C8-DA26F5BA659A}	NatureServe Biotics 2019	17	This herbaceous vegetation is dominated by a circumboreal species which is common in alpine wet meadows and wetland margin habitats. Stands are found in moist, low-gradient valley bottoms and along streams throughout the mountainous areas of the western U.S. at elevations ranging from 800 to 3550 m (2625-11,650 feet). Typically, these communities occur in areas of abundant snowfall where snowmelt saturates soils from late spring through early summer. In the alpine tundra, this association is commonly found in snowmelt basins and around the edges of alpine wetlands. At lower elevations, the communities are typically wetlands, requiring wet or moist soils throughout most of the growing season. Soils are variable. Fine-textured soils retain soil moisture longer in areas of seasonal drought, and coarse substrates allow aeration in areas with perennial high water tables. This vegetation is characterized by a moderately dense to dense herbaceous layer dominated by the perennial bunchgrass <i>Deschampsia cespitosa</i>. Commonly associated graminoid species include <i>Agrostis scabra, Carex aquatilis, Carex nebrascensis, Carex microptera, Carex utriculata, Carex vesicaria, Danthonia intermedia, Elymus trachycaulus, Juncus arcticus ssp. littoralis, Juncus alpinoarticulatus, Phleum alpinum, Poa</i> spp., <i>Trisetum spicatum</i>, and <i>Trisetum wolfii</i>. Common forbs include <i>Geum rossii, Ligusticum tenuifolium, Polygonum bistortoides, Ranunculus flammula</i>, and low cover of <i>Caltha leptosepala</i>. Diagnostic of this herbaceous association is the dominance or codominance of <i>Deschampsia cespitosa</i> and the presence of surface water for extended periods during the growing season.
Comm #1060	Quercus alba - Quercus rubra - Carya ovata Glaciated Forest » more details accession code: urn:lsid:vegbank.org:commConcept:30977-{B74F6959-327D-4AC2-B914-5AB235F1F150}	NatureServe Biotics 2019	17	This oak forest community is widespread in the north-central United States. Stands occur primarily on glaciated, rolling topography on a wide variety of soils that have a dry-mesic moisture condition. The canopy is variable but typically closed (&gt;80%). <i>Quercus alba</i> and <i>Quercus rubra</i> are the leading dominants, but <i>Quercus ellipsoidalis, Quercus macrocarpa, Quercus velutina</i>, and <i>Carya ovata</i> can also be codominant. Typical associates include <i>Juglans nigra</i> and, more south or east, <i>Carya tomentosa</i> and <i>Carya glabra</i>. The subcanopy contains <i>Ostrya virginiana, Prunus serotina, Sassafras albidum</i>, and, increasingly, <i>Acer rubrum</i> or <i>Acer saccharum</i>. The shrub layer is quite variable but can include <i>Cornus alternifolia, Cornus florida</i> (southward), <i>Cornus foemina, Corylus americana</i> (northward), <i>Parthenocissus quinquefolia, Ribes cynosbati</i>, and <i>Zanthoxylum americanum</i>. The herbaceous layer includes <i>Amphicarpaea bracteata, Anemone virginiana, Symphyotrichum cordifolium, Botrychium virginianum, Brachyelytrum erectum, Circaea lutetiana ssp. canadensis, Desmodium glutinosum, Galium concinnum, Geranium maculatum, Osmorhiza claytonii, Sanicula odorata</i>, and <i>Maianthemum racemosum</i>.