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records 11001 through 11010 of 38961

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Comm #11001
 
Ruppia maritima Acadian/Virginian Zone Temperate Herbaceous Vegetation
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accession code: VB.CC.26824.RUPPIAMARITIMAA
Eastern Ecology Working Group of...  0 This brackish/saline tidal community of the central and northern Atlantic coast is dominated by Ruppia maritima. It occurs in large beds in estuarine bays as well as small patches within brackish tidal creeks. Substrates are sand or muck, and salinity is generally brackish. Ruppia maritima has a wide range of salinity tolerance and overlaps with other species, although generally not in the same locations. Common associates include Zannichellia palustris, Stuckenia pectinata (= Potamogeton pectinatus), and Potamogeton perfoliatus in brackish/fresh areas or Zostera marina as waters get deeper and more saline. There can also be a diverse array of macroalgae. 
Comm #11002
 
CEGL002436
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accession code: VB.CC.4877.CEGL002436 NOT CURRENTLY ACCEPTED
EcoArt 2002  0  
Comm #11003
 
Quercus nigra - Quercus phellos - (Pinus taeda) / Crataegus marshallii / Smilax smallii Forest
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accession code: VB.CC.35324.CEGL007985
Southeastern Ecology Working Gro...  0 This hydric forest community occurs in on broad, poorly drained, sandy flats between <i>Quercus nigra</i> forests and <i>Quercus phellos</i> flats on overflow bottoms on the Upper West Gulf Coastal Plain of southern Arkansas. The canopy is moderately tall (80+ feet) and usually closed. Dominant trees include <i>Quercus nigra</i> and <i>Quercus phellos</i> commonly with <i>Liquidambar styraciflua</i>. Other overstory trees may include <i>Pinus taeda</i> and <i>Ulmus americana</i>. <i>Pinus taeda</i> was a common component of this forest type historically and stumps are extant. The understory is dominated by <i>Ilex opaca</i> with <i>Crataegus marshallii</i> and occasional <i>Carpinus caroliniana, Diospyros virginiana</i>, and <i>Ilex decidua</i>. <i>Fraxinus pennsylvanica</i> is common in the understory but no large trees are extant. Shrubs are uncommon. Many woody vines are present, including <i>Berchemia scandens, Bignonia capreolata, Campsis radicans, Smilax bona-nox, Smilax rotundifolia, Smilax smallii, Toxicodendron radicans</i>, and <i>Vitis rotundifolia</i>. The herbaceous layer is moderately dense and dominated by <i>Galium obtusum ssp. obtusum</i>. Oak leaf litter covers the soil but not deeply. This community is known from several sites in the Ouachita River Basin, and likely occurs throughout this area, and apparently related areas of the Mississippi River Alluvial Plain (e.g., Arkansas River) in Arkansas as well. 
Comm #11004
 
Taxodium distichum - (Nyssa aquatica) - Carya aquatica / Planera aquatica Permanently Flooded River Channel (Low Bank) Forest
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accession code: VB.CC.35096.CEGL007992 NOT CURRENTLY ACCEPTED
Southeastern Ecology Working Gro...  0 This hydric, permanently flooded forest community occurs in the channels and on the low banks of small to medium-sized rivers with swift currents (not a swamp) on the Upper West Gulf Coastal Plain of southern Arkansas. The low banks flood frequently, deeply (8+ feet), and remain inundated with swift flows for long periods. The canopy is open to partially closed with tall (120+ feet), buttressed, emergent <i>Taxodium distichum</i> and a midstory of <i>Nyssa aquatica</i> (where extant). The channels are dominated by <i>Taxodium distichum</i> frequently with <i>Nyssa aquatica</i>. The low bank is also dominated by <i>Taxodium distichum</i> with <i>Carya aquatica</i> and <i>Planera aquatica</i>. The same species sometimes form a shrub layer especially when beaver are present. No shrubs, woody vines, or herbaceous layer is extant. No litter or duff layer is extant, but large woody debris is common. The soils are unknown. This community abuts the ~<i>Betula nigra - Platanus occidentalis / Berchemia scandens / (Arundinaria gigantea) - Boehmeria cylindrica</i> Temporarily Flooded Riverfront Forest (CEGL007983)$$ and other riverfront forest communities. High-quality examples are known from Big Cypress Unique Area and Moro Bottoms Natural Area (without <i>Nyssa aquatica</i>). The type location is in Dallas County, Arkansas. This community is also known from Cleveland County and is likely extant throughout the Ouachita River Basin. 
Comm #11005
 
Quercus virginiana - (Sabal palmetto) Tropical Shell Midden Woodland
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accession code: VB.CC.33380.CEGL008411 NOT CURRENTLY ACCEPTED
Southeastern Ecology Working Gro...  0 This tropical calciphilic community is thought to occur on Amerindian shell middens and natural shell deposits, in the tidal marsh landscape of tropical Florida. This is a low-confidence type; more information is needed on the extent and composition of examples of this community. Tropical hardwoods would share canopy dominance with the temperate nominal species <i>Magnolia virginiana</i> and <i>Sabal palmetto</i>. The putative range of this association is south of the extent of <i>Juniperus virginiana var. silicicola</i>, which would be absent from stands of this type. Composition is probably highly variable from site to site, depending on environmental conditions and fortuitous accidents of establishment and persistence. 
Comm #11006
 
CEGL002709
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accession code: VB.CC.5109.CEGL002709 NOT CURRENTLY ACCEPTED
EcoArt 2002  0  
Comm #11007
 
Carya floridana - Quercus myrtifolia - Quercus geminata Shrubland
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accession code: VB.CC.36245.CEGL007997
Southeastern Ecology Working Gro...  0 This Lake Wales Ridge scrub community is a xeromorphic shrubland consisting of a deciduous hickory species and evergreen scrub oaks (<i>Quercus myrtifolia, Quercus chapmanii, Quercus geminata</i>). Although occurring within the range of <i>Quercus inopina</i>, it is dominated by its close relative, <i>Quercus myrtifolia</i>. It occurs on yellow sands, as opposed to white (or sugar) sands on which <i>Quercus inopina</i> is dominant. Occurrence of a <i>Pinus clausa</i> canopy is variable from stand to stand. <i>Pinus elliottii var. densa</i> is usually present. The structure is often a tall (10-12 feet), dense shrubland with few open spaces. The shrubby palms <i>Serenoa repens</i> and <i>Sabal etonia</i> are prominent in the understory. The herb layer is generally sparse and may be dominated by lichens (<i>Cladina evansii, Cladina subtenuis</i>). Rare species of subshrubs in the genus <i>Dicerandra</i> appear to favor this community. This community often occurs on higher elevations than <i>Quercus inopina</i>-dominated white sand scrub, often in conjunction with sandhill communities characterized by <i>Pinus palustris</i> and <i>Quercus laevis</i>, in Polk and Highlands counties, Florida. 
Comm #11008
 
Fraxinus pennsylvanica - Celtis spp. - Quercus spp. - Platanus occidentalis Bottomland Forest
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accession code: VB.CC.36942.CEGL002410
Midwestern Ecology Working Group...  0 This ash - oak - sycamore mesic bottomland forest is found in Arkansas, Missouri and possibly other parts of the southeastern United States. Stands occur on level to gently sloping terraces and levees of stream and river floodplains, typically on larger streams. Soils are moderately well-drained and moist throughout the year, but only wet in spring. Ponding is typically absent. The species in the dominant tree layer include <i>Celtis occidentalis, Fraxinus pennsylvanica, Platanus occidentalis, Quercus macrocarpa</i> (or more rarely <i>Quercus alba</i>). <i>Laportea canadensis</i> is common in the ground layer. 
Comm #11009
 
Acacia koa Forest Alliance
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accession code: VB.CC.24179.ACACIAKOAFOREST
Western Ecology Working Group of...  0  
Comm #11010
 
Metrosideros polymorpha / Cibotium spp. Montane Wet Forest
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accession code: VB.CC.33102.CEGL008009
Western Ecology Working Group of...  0  

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records 11001 through 11010 of 38961

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