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Add/Drop	Name	Reference	Plots↓	Description
Comm #10381	A.242 » more details accession code: VB.CC.1754.A242 NOT CURRENTLY ACCEPTED	EcoArt 2002	0	This alliance consists of ~Quercus buckleyi$-dominated vegetation of xeric to mesic slopes over calcareous soils of the eastern and southern Edwards Plateau and Lampasas Cut Plain, in central Texas and in the Arbuckle Mountains in southern Oklahoma. Associated canopy species include ~Ulmus crassifolia, Celtis laevigata var. laevigata, Celtis laevigata var. reticulata, Quercus fusiformis, Quercus muehlenbergii, Quercus sinuata var. breviloba, Juniperus ashei, Prunus serotina var. eximia$, and ~Fraxinus texensis$. On the Edwards Plateau of Texas, adjacent to ~Quercus buckleyi$ Forest, on deeper soils, are ~Quercus fusiformis$ Woodlands, while ~Juniperus ashei$ Woodlands occupy the drier slopes. Floodplains below ~Quercus buckleyi$ Forests of the Edwards Plateau are dominated by ~Celtis laevigata, Ulmus americana, Carya illinoinensis$, and ~Quercus fusiformis$.
Comm #10382	Pinus (echinata, taeda) - Quercus (incana, margarettiae, arkansana) Forest Alliance » more details accession code: VB.CC.18351.PINUSECHINATATA	Southeastern Ecology Working Gro...	0	This alliance includes communities dominated by some combination of Pinus echinata and/or Pinus taeda, with the scrubby oaks Quercus incana, Quercus margarettiae, and/or Quercus arkansana. Quercus incana is the most characteristic and typically dominant of these. Stands of this alliance occur on xeric, sandy sites in the Coastal Plain west of the Mississippi River in eastern Texas, southeastern Oklahoma, northwestern Louisiana, and southwestern Arkansas.. The canopy coverage may be variable, reflecting the range of situations involved, ranging from open canopied woodlands on very well-drained Pleistocene terraces and low, broad ridges on deep, acidic sandy soils to slightly more-or-less dense examples on similarly droughty sites. Some stands are in effect short-statured, deciduous woodlands, but these are placed in this mixed forest alliance as well. In addition to the nominal canopy species, Carya texana may be present. Among the subcanopy, Quercus incana is arguably the most constant species. In most cases a patchy shrub stratum (varying from approximately 30-60% in total cover) consisting of stunted, scrubby Quercus spp. and tall shrubs ranging from 2.5-5 m in height is present. Quercus arkansana, a rare Coastal Plain endemic species, may occur in some examples. Due to xeric conditions, graminoids and forbs are very sparse in this community, and patches of exposed sand are common. Lichens (Cladonia spp.) and spike-moss (Selaginella arenicola ssp. riddellii) form large patches. Typical shrubs include Sassafras albidum, Vaccinium arboreum, Ilex vomitoria, Sideroxylon lanuginosum ssp. lanuginosum, Asimina parviflora, Chionanthus virginicus, Stillingia sylvatica, and Frangula caroliniana, and seedlings of canopy species. Depending, in part, upon management history, the herbaceous layer density may vary widely and is sometimes quite sparse. However, in nearly all cases it will contain a suite of habitat fidels, several of which are either endemic or nearly so to the West Gulf Coastal Plain. Herbaceous species may include Aristida desmantha, Schizachyrium scoparium, Opuntia humifusa, Cnidoscolus texanus, Eriogonum longifolium, Eriogonum multiflorum, Penstemon murrayanus, Polanisia erosa, Polygonella americana, Polygonella polygama, and Zornia bracteata. More open examples that approach woodland structure may contain scattered patches of fruticose lichens (Cladonia spp.) and possibly spike-moss (Selaginella arenicola ssp. riddellii). The historical fire frequency of these vegetation types is unknown but is widely believed to have been less than that of Pinus palustris-dominated woodlands (which sometimes occur adjacent to this type). Too frequent fires would not allow for the persistence of Pinus echinata and hardwood species, although young Pinus echinata has the ability to resprout when top-killed by fire. In some areas of eastern Texas these xeric sandhills occupy very limited portions of the landscape possibly suggesting that natural fire frequencies may not have been as constant or as frequent as would be necessary to maintain herbaceous-dominated woodlands. In addition, the extremely droughty soils contribute to only sparse fine fuel build-up making frequent, natural fires difficult to either ignite or spread. In the continued absence of fire, these mixed forests may become increasingly invaded by Pinus taeda. This alliance occurs on ridgetops and flat xeric uplands on very well-drained, acidic sandy soils in the West Gulf Coastal Plain and Upper West Gulf Coastal Plain of Arkansas, Louisiana, Oklahoma, and Texas. Its status in the western part of the East Gulf Coastal Plain is unclear.
Comm #10383	Tsuga heterophylla - Picea sitchensis Forest » more details accession code: VB.CC.18422.TSUGAHETEROPHYL	Western Ecology Working Group of...	0
Comm #10384	CEGL001201 » more details accession code: VB.CC.3796.CEGL001201 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #10385	Artemisia tridentata ssp. tridentata / Distichlis spicata Shrubland » more details accession code: VB.CC.20976.ARTEMISIATRIDEN	Western Ecology Working Group of...	0
Comm #10386	Chilopsis linearis Shrubland » more details accession code: VB.CC.27226.CHILOPSISLINEAR	Western Ecology Working Group of...	0
Comm #10387	Quercus stellata - (Quercus marilandica) / Gaylussacia frondosa Acid Hardpan Woodland » more details accession code: VB.CC.21398.QUERCUSSTELLATA	Southeastern Ecology Working Gro...	0	This association occurs on acidic clay pans in flat terrain of the Piedmont. The canopy is closed to fairly open and is dominated by Quercus stellata, Quercus alba, and Quercus falcata. Other canopy trees include Pinus echinata, Acer rubrum var. rubrum, Nyssa sylvatica, Quercus marilandica, and Quercus coccinea. The subcanopy is not distinctive. The shrub layer is characteristically well-developed and consists of short deciduous heaths, including Gaylussacia frondosa (= var. frondosa), Gaylussacia dumosa (= var. dumosa), Lyonia ligustrina var. foliosiflora, Vaccinium stamineum, Vaccinium tenellum, and Vaccinium pallidum. The herb layer is poorly developed. Some environments are referred to as highly acid (pH 3.7-4.0). This association is also reported from the Carolina Slate Belt (Subsection 231Af), on acidic soils such as the Meisenheimer and Zion series.
Comm #10388	Annona glabra Semipermanently Flooded Forest Alliance » more details accession code: VB.CC.18229.ANNONAGLABRASEM	Southeastern Ecology Working Gro...	0	This alliance consists of swamps and sinkhole ponds, freshwater or very slightly brackish depression or swale wetlands dominated (or codominated) by Annona glabra, sometimes with some mangrove as well, and typically with numerous species of epiphytes (especially orchids and bromeliads, such as Tillandsia spp.). Physiognomy is variable, varying from dense canopies to open canopies, depending on hydrology and disturbance. Forests of this alliance sometimes approach shrubland in height (less than 5 m) but all are classed here. In southern Florida, temperate floristic components are often present, including such species as Salix caroliniana and Sambucus canadensis (= Sambucus simpsonii). The herbaceous layer is often well-developed and dominated by graminoids, such as Cladium mariscus ssp. jamaicense (= Cladium jamaicense). This alliance is widespread in the Bahamas and West Indies, and is likely to occur in tropical southern Florida.
Comm #10389	Eleocharis interstincta - Sagittaria lancifolia Herbaceous Vegetation » more details accession code: urn:lsid:vegbank.org:commConcept:33659-{ADC3D2A2-70DB-4D1C-9669-A9A090A20BDB}	NatureServe Biotics 2019	0
Comm #10390	Phragmites australis ssp. berlandieri Tropical Ruderal Marsh » more details accession code: urn:lsid:vegbank.org:commConcept:33660-{11A1BE2E-9835-44A7-B2D6-5CCED5262788}	NatureServe Biotics 2019	0	Tropical Caribbean marshes dominated by <i>Phragmites australis ssp. berlandieri</i>.