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Add/Drop	Name	Reference	Plots↓	Description
Comm #10621	Hypericum brachyphyllum Seasonally Flooded Dwarf-shrubland Alliance » more details accession code: VB.CC.22715.HYPERICUMBRACHY	Southeastern Ecology Working Gro...	0	This alliance consists of seasonally flooded flats (characteristically interspersed with cypress domes) in central and southern peninsular Florida, and possibly southern Georgia and the Panhandle of Florida. Hypericum brachyphyllum is the dominant dwarf-shrub. The herb stratum is typically very well-developed and diverse, and includes abundant graminoid species, especially Rhynchospora spp., Scleria spp., and Fuirena spp. Additional associates include Andropogon capillipes, Amphicarpum muehlenbergianum, Panicum hemitomon, Panicum verrucosum, Eupatorium leptophyllum, and Xyris sp.
Comm #10622	Montane Cliff Sparse Vegetation » more details accession code: VB.CC.22544.MONTANECLIFFSPA	Southeastern Ecology Working Gro...	0	This type covers all examples of Southern Blue Ridge Appalachian cliffs occurring on mafic substrates or mixed substrates and containing plant species characteristic of mafic substrates. It is distinguished by its occurrence on mafic rock substrates and by the associated floristic differences. Its flora is intermediate in some ways between the Acidic Herb Type and the Calcareous Type, but the differences are not clearly defined at present.
Comm #10623	CEGL000290 » more details accession code: VB.CC.2914.CEGL000290 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #10624	Salix boothii - Salix lemmonii Shrubland » more details accession code: VB.CC.32378.CEGL001186	Western Ecology Working Group of...	0
Comm #10625	Salix caroliniana Temporarily Flooded Forest » more details accession code: VB.CC.27440.SALIXCAROLINIAN	Southeastern Ecology Working Gro...	0	This vegetation occurs primarily on riverfronts and lakeshores, potentially occurring across broad areas of the southeastern United States. Salix caroliniana is the dominant small tree and can form a dense to open or very open canopy. This community tends to occupy small areas, usually relatively linear or crescent-shaped patches associated with streamfronts, sand bars, etc., but sometimes it occupies larger areas. This vegetation results from flooding disturbance and is generally short-lived.
Comm #10626	CEGL006019 » more details accession code: VB.CC.6605.CEGL006019 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #10627	Quercus texana - Celtis laevigata - Ulmus (americana, crassifolia) - (Gleditsia triacanthos) Forest » more details accession code: VB.CC.22334.QUERCUSTEXANACE	Southeastern Ecology Working Gro...	0	These are forests of large bottomlands, found in the Mississippi River Alluvial Plain, the Upper West Gulf Coastal Plain, and possibly the East Gulf Coastal Plain, in Mississippi, Arkansas, and possibly other adjacent states. The canopy contains a variable mixture of Quercus texana, Celtis laevigata, Ulmus americana, and Ulmus crassifolia. Some stands may contain Gleditsia triacanthos in the canopy or subcanopy. Other associated species may include Fraxinus pennsylvanica and Liquidambar styraciflua. These forests are slightly higher in elevation than those dominated by Quercus lyrata and Quercus texana. More information is needed on the composition and distribution of this type.
Comm #10628	Paspalum vaginatum Herbaceous Vegetation » more details accession code: VB.CC.35887.CEGL004114	Southeastern Ecology Working Gro...	0	This association occurs in shallow interdune swales, and is dominated by <i>Paspalum vaginatum</i>, in often monospecific stands. In Florida, this often occurs in close association with ~<i>Fimbristylis castanea - Paspalum distichum</i> Herbaceous Vegetation (CEGL004110)$$. In Texas, this vegetation may also occur in artificial ponds and other wetlands on barrier islands and mainland areas near the coast. <i>Paspalum vaginatum</i> is a pioneer species colonizing damp, brackish sand flats as a widely creeping, prostrate, stoloniferous mat. With time it may develop into a dense sward of vertically oriented stems. This grassy sward may in turn be replaced by woody vegetation, including <i>Avicennia germinans, Baccharis halimifolia</i>, and <i>Borrichia frutescens</i>.
Comm #10629	Juniperus scopulorum Temporarily Flooded Woodland Alliance » more details accession code: VB.CC.23163.JUNIPERUSSCOPUL	Western Ecology Working Group of...	0	This riparian woodland alliance has been reported from low to mid-montane areas in Colorado and Montana. Stands occur on a wide range of landforms, from rocky V-shaped canyons to fertile alluvium. Stands are intolerant of frequent and prolonged flooding. However, this vegetation is tolerant of periodic flooding and high water tables. Typically, the soils are shallow, derived from coarse alluvial substrates. Vegetation included in this alliance is characterized by an open tree canopy that is dominated by Juniperus scopulorum. Scattered emergent deciduous trees may be present, such as Populus angustifolia, Populus deltoides, or Populus balsamifera ssp. trichocarpa (= Populus trichocarpa). Typically shrub cover ranges from 10-25%. Shrub composition can include any of the following: Amelanchier alnifolia, Cornus sericea, Rhus aromatica, Rosa woodsii, or Solanum dulcamara. Herbaceous undergrowth occurs beneath the tree canopy as well as on exposed point bars. The understory consists of native graminoids, including Piptatherum micranthum (= Oryzopsis micrantha), Panicum virgatum, and the fern ally Equisetum arvense. Forb cover is sparse and can include Glycyrrhiza lepidota, Apocynum androsaemifolium or Maianthemum stellatum (= Smilacina stellata). Both the forb and graminoid strata can be dominated by adventive, weedy species. Diagnostic of this woodland alliance is the Juniperus scopulorum-dominated open tree canopy and the riparian habitats.
Comm #10630	A.1666 » more details accession code: VB.CC.1421.A1666 NOT CURRENTLY ACCEPTED	EcoArt 2002	0	This alliance occurs adjacent to streamsides, seeps, marshes, and springs in the subalpine and lower alpine areas in the Indian Peaks Wilderness, Colorado. Sites are located on stabilized, western slopes, ranging from 2250-3540 m. Soils are skeletal with a pH average of 6.0. ~Saxifraga odontoloma$ dominates the forb layer. Other constants include ~Epilobium anagallidifolium, Deschampsia caespitosa, Juncus drummondii$, and ~Primula parryi$. Several species can codominate in the moss layer, most often ~Philonotis fontana var. pumila (= Philonotis tomentella)$ and ~Warnstorfia exannulata (= Drepanocladus exannulatus)$.