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Add/Drop	Name	Reference	Plots↓	Description
Comm #13021	CEGL006287 » more details accession code: VB.CC.6800.CEGL006287 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #13022	Stenotaphrum secundatum Herbaceous Vegetation » more details accession code: VB.CC.35444.CEGL004883 NOT CURRENTLY ACCEPTED	Southeastern Ecology Working Gro...	0	This association consists of planted or semi-natural grasslands dominated by <i>Stenotaphrum secundatum</i> with varying degrees of native composition remaining, on a wide variety of soils and sites occurring in Florida and possibly in other states and ecoregions.
Comm #13023	Leptocoryphium lanatum - Aristida portoricensis Herbaceous Vegetation » more details accession code: VB.CC.36501.CEGL004885 NOT CURRENTLY ACCEPTED	Areces-Mallea, A. E., A. S. Weak...	0
Comm #13024	Arctostaphylos patula Sierran Chaparral Shrubland » more details accession code: VB.CC.34285.CEGL005820	Western Ecology Working Group of...	0	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. It is likely that this association ranges throughout the Sierra Nevada and perhaps elsewhere in montane California. Stands are found at low to mid elevations (1495-2530 m [4900-8300 feet]) on mid to high portions of slopes with all aspects. The slopes tend to be linear and moderately steep to abrupt (10-70°). This association is found on moderately deep to deep soils and occasionally on shallow soils. Soils are poorly drained to well-drained with textures ranging from stony and gravelly to loam from sedimentary and granitic parent materials. Although fires in this type can be small due to resistance to ignition, they can support catastrophic fires once they get started. The unvegetated surface is made up of litter, wood and bare soil. Disturbance in the form of invasion by exotics, logging, improper burning regime, and road and trail construction occur in low to high intensity. Most stands are the result of fire or other natural or unnatural process. Many stands could support conifer woodland or forest with long intervals between fires or other disturbance processes. This association forms open to moderately dense stands dominated by <i>Arctostaphylos patula</i>. Often found in this association are <i>Abies concolor, Calocedrus decurrens, Quercus kelloggii</i>, and <i>Chamaebatia foliolosa</i>. Occasionally, <i>Pinus jeffreyi, Quercus kelloggii</i>, and <i>Apocynum androsaemifolium</i> are present. A variety of other species present in this association may include <i>Carex multicaulis, Ceanothus parvifolius, Ceanothus cordulatus, Chamaesyce serpyllifolia, Lupinus breweri</i>, and <i>Prunus emarginata</i>. Stands of this association are variable in their disturbance regimes. Some are clearly seral to forest types, and others are edaphically controlled, probably persisting from 50 to more than 100 years at least without being invaded by conifers.
Comm #13025	Schizachyrium scoparium - Muhlenbergia cuspidata Herbaceous Vegetation » more details accession code: VB.CC.18628.SCHIZACHYRIUMSC	Western Ecology Working Group of...	0	This little bluestem - plains muhly prairie type is found in the northern Great Plains of the United States. Stands occur on easily eroded, loamy, well-drained soils derived from shales. Vegetative cover is somewhat sparse. Vegetation is dominated by the midgrass species Schizachyrium scoparium, Muhlenbergia cuspidata, Elymus lanceolatus, Koeleria macrantha, Pascopyrum smithii, Hesperostipa comata (= Stipa comata), and Aristida purpurea var. longiseta (= Aristida longiseta). Shrubs are rare. Gutierrezia sarothrae is the only common dwarf-shrub. Forb richness is high, but total canopy cover is low. Phlox hoodii and Linum perenne are common species. Litter and bare ground average 50% and 15% canopy cover, respectively.
Comm #13026	CEGL003003 » more details accession code: VB.CC.5214.CEGL003003 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #13027	Poa glauca Herbaceous Vegetation » more details accession code: VB.CC.33311.CEGL001926	Western Ecology Working Group of...	0
Comm #13028	Artemisia tripartita ssp. tripartita / Pascopyrum smithii Shrubland » more details accession code: urn:lsid:vegbank.org:commConcept:34241-{26BD7F8F-382C-4AE2-85ED-E51E7810A780}	NatureServe Biotics 2019	0	<i>Artemisia tripartita ssp. tripartita</i> dominates the relatively open canopy of this vegetation type. The herbaceous understory is sparse to moderate in terms of cover and is dominated by <i>Pascopyrum smithii</i>. <i>Chrysothamnus viscidiflorus</i> commonly occurs in the shrub stratum. Additional native grass species are often present in the understory but cover is typically sparse and species composition is variable. <i>Achnatherum thurberianum, Poa secunda</i>, and <i>Pseudoroegneria spicata</i> occur with some constancy, but at low cover values. Forbs have highly variable species composition and cover ranges from sparse to moderate. Stands occur on gently rolling uplands, swales or upper parts of stream terraces and drainageways. Drier examples may be found on more exposed slope positions or steeper slopes. Soils are moderately deep to deep clay, clay loam, silt loam or sandy loam. Soil moisture conditions are relatively mesic.
Comm #13029	Picea engelmannii / Packera cardamine Forest » more details accession code: VB.CC.20252.PICEAENGELMANNI	Western Ecology Working Group of...	0	These mixed conifer forests have been described from the White Mountains and Blue Mountains of east-central Arizona, and in the Bearwallow and Mogollon mountains in west-central New Mexico. Elevations range from 2590-2865 m. Sites have moderately deep to deep loamy textured soils derived from basalt, and often occur on gentle upland slopes and in drainages. Lower elevations sites are restricted to the more mesic north slopes and drainages. This association has a closed conifer tree canopy often over 30 m tall with an abundant herbaceous layer. The tree canopy is a mixture of late seral species such as Picea engelmannii, Picea pungens, Abies lasiocarpa, or Abies concolor, and the early seral species Pseudotsuga menziesii and Pinus strobiformis with Pinus ponderosa and Populus tremuloides often present in disturbed stands. A sparse short-shrub layer composed of Lonicera utahensis and Rubus parviflorus is usually present, but the understory is dominated by the herbaceous layer. The herbaceous layer is moderately dense (>25% cover) and diverse, and is dominated by forb species such as Packera cardamine (= Senecio cardamine), Pteridium aquilinum, Hymenoxys hoopesii (= Helenium hoopesii), Viola canadensis, Senecio wootonii, Erigeron eximius, and Geranium richardsonii. Common graminoids include Bromus ciliatus and Carex spp.
Comm #13030	Carex pensylvanica Herbaceous Alliance » more details accession code: VB.CC.20157.CAREXPENSYLVANI	Southeastern Ecology Working Gro...	0	This alliance includes montane grasslands strongly dominated by Carex pensylvanica. In the Southern Blue Ridge these grasslands are ungrazed grass balds with deep soil. Associated species include Rumex acetosella (exotic), Carex debilis, Polytrichum commune, Helenium autumnale, Danthonia compressa, Sibbaldiopsis tridentata, Fragaria virginiana, Ageratina altissima var. roanensis, Angelica triquinata, Oclemena acuminata (= Aster acuminatus), Bromus pubescens, and Dennstaedtia punctilobula. These grasslands typically occur over 1220 m (4000 feet) elevation in the Southern Blue Ridge. In the Central Appalachians, these communities are found on acid shale.