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Add/Drop	Name	Reference	Plots↓	Description
Comm #4671	Bouteloua gracilis - Bouteloua dactyloides Xeric Soil Grassland » more details accession code: urn:lsid:vegbank.org:commConcept:31179-{FB6B1210-B780-40CA-9E96-47F7D7FF613A}	NatureServe Biotics 2019	1	This blue grama - buffalograss shortgrass prairie is found in the northern Great Plains of the United States and possibly adjacent Canada. Stands occur on very dry slopes. In northwestern Nebraska and southwestern South Dakota, it is typically on clay pan depressions that range in size from a few square m to 1 hectare or more, but it can also occur on sandy ridgetops and hillslopes. The vegetation provides moderate to high vegetative cover, typically between 40-90%. <i>Bouteloua gracilis</i> is usually strongly dominant on sandier soils, while <i>Carex filifolia</i> is a strong dominant on clay and silty clay soils at the edge of bluffs and tables. In Badlands National Park, South Dakota, common associates on sandier soils include <i>Pascopyrum smithii, Hesperostipa comata, Bouteloua dactyloides, Aristida purpurea, Bromus arvensis</i>, and a variety of forbs, including <i>Conyza canadensis</i>. Shrubs that are typically observed in this type include <i>Artemisia frigida, Opuntia polyacantha, Yucca glauca</i>, and <i>Gutierrezia sarothrae</i>. Species commonly associated with <i>Carex filifolia</i> on clay and silty clay soils include <i>Hesperostipa comata, Bouteloua gracilis, Bromus arvensis</i>, and <i>Ratibida columnifera</i>. Typical shrubs are the same as those listed on sandy soils. Forbs in Nebraska include <i>Lomatium foeniculaceum, Monolepis nuttalliana, Musineon divaricatum, Oonopsis multicaulis</i>, and <i>Plantago elongata</i>. Shrubs are sparse to absent, and include <i>Artemisia tridentata, Artemisia cana, Artemisia frigida</i>, and, more westward in Nebraska, <i>Ericameria nauseosa</i> and <i>Sarcobatus vermiculatus</i>.
Comm #4672	Granite - Metamorphic Black Hills Rock Outcrop Sparse Vegetation » more details accession code: urn:lsid:vegbank.org:commConcept:31204-{8BF8D694-59BF-432E-87AB-0E7B19167F47}	NatureServe Biotics 2019	1	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 #4673	Zizaniopsis miliacea Coastal Plain Slough Marsh » more details accession code: urn:lsid:vegbank.org:commConcept:32983-{0393DE23-1D6F-46B2-B9BC-CA60E8A33DAB}	NatureServe Biotics 2019	1	Temperate vegetation of marshes and sloughs dominated by <i>Zizaniopsis miliacea</i>, often consisting of essentially monospecific stands. This broadly defined type may be divided as more information becomes available. This is primarily a community of the Coastal Plain, but an occurrence is reported from the Piedmont of South Carolina.
Comm #4674	POPULUS NEGUNDO ALLIANCE » more details accession code: VB.cc.30203.POPULUSNEGUNDOA	NVC 2004	1
Comm #4675	Betula pumila / Chamaedaphne calyculata / Carex lasiocarpa Fen » more details accession code: urn:lsid:vegbank.org:commConcept:31402-{39124423-00DD-4FAB-89DC-534B0B442037}	NatureServe Biotics 2019	1	This bog birch / leatherleaf shrub, moderately rich to poor fen is found in the northern Great Lakes region of the United States and Canada, and probably elsewhere. Stands are found on the margins of water tracks of large peatlands, or in the interior of small basins that are relatively isolated from runoff. The shrub cover is at least 25%, dominated by a combination of <i>Betula pumila</i> and ericaceous shrubs, including <i>Andromeda polifolia, Chamaedaphne calyculata, Ledum groenlandicum</i>, and <i>Vaccinium oxycoccos</i>. Other minerotrophic shrubs include <i>Lonicera villosa, Rhamnus alnifolia, Rubus arcticus ssp. acaulis, Rubus pubescens</i>, and <i>Salix pedicellaris</i>. Scattered, small (2-10 m) tree stems of <i>Larix laricina, Picea mariana</i>, and <i>Thuja occidentalis</i> are present at low cover. There is a diverse forb, graminoid, and moss cover, at least in the richer examples of this type. The graminoids include <i>Carex chordorrhiza, Carex lasiocarpa, Carex leptalea</i>, and <i>Eriophorum viridicarinatum</i>. Forbs include <i>Drosera rotundifolia, Equisetum fluviatile, Maianthemum trifolium, Menyanthes trifoliata, Comarum palustre, Sarracenia purpurea</i>, and <i>Solidago uliginosa</i>. The moss layer contains <i>Aulacomnium palustre, Pleurozium schreberi, Sphagnum angustifolium</i>, and <i>Sphagnum capillifolium</i>. Less frequent are <i>Campylium stellatum, Sphagnum fuscum</i>, and <i>Tomentypnum nitens</i>. Diagnostic features include the combination of <i>Betula pumila</i> and ericaceous shrubs in the shrub layer, and both minerotrophic and oligotrophic graminoid and forb species.
Comm #4676	Schoenoplectus tabernaemontani Temperate Marsh » more details accession code: urn:lsid:vegbank.org:commConcept:31531-{54B1C7A2-0E91-4749-BB91-CCCB9D6F99A8}	NatureServe Biotics 2019	1	This relatively widespread wetland occurs on pond and lake margins, and in backwater areas. It also occupies basins where the water table may remain relatively high, but which can drop below the soil surface late in the growing season. Elevations range from sea level in coastal areas to 2045 m (6700 feet) in the Rocky Mountains. Stands are flooded for most or all of the growing season. Stands can have water from 0 (exposed soil) to approximately 1.5 m deep, but usually are less than 1 m. Within a stand, water levels can vary by up to 1 m during the year. The water can be fresh to mildly saline. Soils are deep, poorly drained muck, peat, or mineral. This association is often a monotypic stand of <i>Schoenoplectus tabernaemontani</i>, but is also often mixed with one or two other <i>Schoenoplectus</i> species. This association is described as only those stands where <i>Schoenoplectus tabernaemontani</i> is the dominant bulrush. <i>Schoenoplectus acutus</i> may be present, but only in subdominant amounts. Other species are largely absent or present in limited amounts and include <i>Carex aquatilis, Carex buxbaumii, Carex utriculata, Eleocharis palustris, Nuphar polysepala, Polygonum</i> spp., <i>Potamogeton</i> spp., <i>Mentha arvensis</i>, and <i>Galium triflorum</i>. Adjacent deeper water sites are typically dominated by <i>Typha latifolia</i>, while drier sites support herbaceous communities dominated by <i>Carex</i> spp., <i>Poa pratensis</i>, or other grasses.
Comm #4677	Salix drummondiana / Carex utriculata Wet Shrubland » more details accession code: urn:lsid:vegbank.org:commConcept:31539-{74CBB222-166D-4438-9421-87D13D3E9451}	NatureServe Biotics 2019	1	This is a broadly distributed association ranging from British Columbia, south into eastern Washington, west into Idaho, Montana, and south into Wyoming and Colorado. It has an elevational range spanning over 1525 m (5000 feet) from 700 to 2380 m (2300-7800 feet). Its primary habitat is adjacent to beaver ponds, mountain rivers and streams, alluvial terraces and marshes, as well as seeps and springs. <i>Salix drummondiana</i> is 100% constant, its cover averaging over 50%, and no other shrubs are even 50% constant or have more than 30% cover. Other shrubs typically present include <i>Salix monticola, Salix geyeriana, Salix boothii</i>, mixed with but never as abundant as <i>Salix drummondiana</i>. Shorter shrubs can be present as well and include <i>Lonicera involucrata, Ribes inerme</i>, and <i>Rubus</i> sp. <i>Carex utriculata</i> is the dominant graminoid in the herbaceous layer, and at least in a major part of its range, 10% of canopy cover may consist of any one of several <i>Carex</i> spp. (<i>Carex vesicaria, Carex atherodes, Carex aquatilis, Carex lenticularis</i>). Modal stands tend to have <i>Carex utriculata</i> dominant or codominant with <i>Carex aquatilis</i>. Other graminoids that may be present include <i>Calamagrostis canadensis</i>. A whole host of introduced graminoids proliferate with grazing disturbance, such as <i>Poa pratensis</i> and <i>Phleum pratense</i>. The forb component is generally insignificant, only occasionally comprising more than 10% cover, and component species vary widely. Documented forb species include <i>Canadanthus modestus, Symphyotrichum spathulatum var. spathulatum, Geum macrophyllum, Epilobium ciliatum, Comarum palustre</i>, and <i>Mentha arvensis</i>. In Colorado, other forbs with a cover of trace to up to 10% include <i>Trifolium</i> sp., <i>Trollius laxus ssp. albiflorus, Caltha leptosepala var. leptosepala, Chamerion angustifolium ssp. circumvagum, Epilobium saximontanum, Galium triflorum, Heracleum maximum, Pedicularis groenlandica, Rorippa</i> sp., <i>Rumex crispus</i>, and <i>Thalictrum fendleri</i>.
Comm #4678	Equisetum fluviatile Marsh » more details accession code: urn:lsid:vegbank.org:commConcept:31651-{7ABEB145-AFCB-4D81-8CD3-268AE9E48E4B}	NatureServe Biotics 2019	1	This is an emergent wetland community occurring on seasonally to permanently flooded edges of lakes and ponds, along tidally influenced plains of larger rivers, calm backwater areas of rivers and streams, and in watered abandoned channels. It is presently documented from scattered locations of the Pacific Northwest, from coastal Washington to the interior regions of western Montana and north into the Boreal Plains of Alberta. It occurs from sea level to 1340 m (0-4390 feet) in elevation. Water depths range from below the soil surface to 0.5 m (1.5 feet) deep. Soils are fine-textured silts, clays and muck. Mineral soils often have layers of organic accumulation. Along the Columbia River Gorge, stands occur on river and slough channels on sand and silt and are flooded by freshwater during most high tides. Inland, stands occur in shallow water and wet ground at the edges of slow-moving meander curves in rivers and on the margins of lakes and ponds, stock ponds and reservoirs. Stands are characterized by emergent <i>Equisetum fluviatile</i> with 30-100% cover but tend to be species-poor. Other species present can include <i>Glyceria grandis, Alopecurus aequalis, Carex</i> spp., <i>Eleocharis palustris, Typha</i> spp., and <i>Scirpus</i> and/or <i>Schoenoplectus</i> spp. Stands at lower elevations (Columbia River Surge Plain) had higher species diversity (n=18 for all sampled stands combined) than those at higher elevations (n=3 eastern Washington and Montana).
Comm #4679	Fraxinus anomala Riparian Woodland » more details accession code: urn:lsid:vegbank.org:commConcept:31657-{BEC92F19-01A8-481B-8457-E0E070A3BF1B}	NatureServe Biotics 2019	1	This riparian woodland is found in deep canyons and mountains on the Colorado Plateau in Utah and western Colorado. 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>. Other tall shrubs that may be present include <i>Amelanchier alnifolia</i> and <i>Quercus gambelii</i>. Short shrubs present include <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. Stands occur between 1430 and 2043 m (4700-6700 feet) elevation, and are 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.
Comm #4680	Thinopyrum intermedium Ruderal Grassland » more details accession code: urn:lsid:vegbank.org:commConcept:31837-{2EF9B758-3A70-448A-8D26-BAE14C15DE4F}	NatureServe Biotics 2019	1	This <i>Thinopyrum intermedium</i> type occurs widely throughout the northern Great Plains of the United States, and perhaps more widely in the midwestern U.S. and Canada. It also occurs in the Colorado Plateau and southern Rocky Mountains at montane elevations and likely occurs elsewhere in the western U.S. Stands can occur in a wide variety of human-disturbed habitats. <i>Thinopyrum intermedium</i> is widely planted as pasture and hayland along road ditches for Conservation Reserve Program lands, and in dense-nesting-cover mixes. It is commonly found on reseeded cultivated lands planted with legumes, such as sweetclover and alfalfa, and may also have escaped into surrounding habitats. It is most abundant on dry, medium-textured soils but has adapted to a broad range of soil textures and moisture conditions. Vegetation is primarily medium-tall (0.5-1 m) graminoids dominated by <i>Thinopyrum intermedium</i>, a naturalized, cool-season grass species from eastern Europe. Other weedy species such as <i>Bromus inermis</i> may occur as well, but native species are generally less than 20% cover. Native grass species will rarely, if ever, reestablish in sites dominated by <i>Thinopyrum intermedium</i>.