| Add/Drop |
Name
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Reference
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Plots↓
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Description |
Comm #5111
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Carex oligosperma - Carex lasiocarpa Saturated Herbaceous Alliance
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accession code: VB.CC.18803.CAREXOLIGOSPERM
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Midwestern Ecology Working Group... |
0
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This alliance, found in the north-central United States and south-central Canada, is composed of weakly minerotrophic peatlands dominated by graminoids. Species diversity is intermediate between richer fens and bogs. Carex lasiocarpa and Carex oligosperma are typically dominant. Associated species include Carex chordorrhiza, Eriophorum spp., Rhynchospora alba, Scheuchzeria palustris, and Trichophorum caespitosum (= Scirpus cespitosus). Sphagnum spp. form a moderate to nearly continuous ground cover. Shrubs and small trees are common. Betula pumila, Chamaedaphne calyculata, Larix laricina, Ledum groenlandicum, Picea mariana, and Salix spp. are the most abundant. This alliance is found in depressions on deep peat (>1.0 m) that receives minimal nutrient-rich run-off from surrounding uplands. The surface water is slightly acidic. The microtopography consists of low to intermediate hummocks and hollows. |
Comm #5112
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A.1519
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accession code: VB.CC.1277.A1519
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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This open shrubland alliance consists of nearly treeless, open grassy to shrubby expanses including ~Aristida beyrichiana, Aristida spiciformis, Aristida purpurascens, Andropogon virginicus, Andropogon brachystachyus$, and ~Eragrostis$ spp. with sparse to dense cover of low, scrubby ~Serenoa repens$ and scattered patches of low shrubs including ~Quercus pumila, Asimina$ spp., ~Ilex glabra, Lyonia ferruginea, Lyonia fruticosa, Lyonia lucida, Vaccinium myrsinites$, and ~Morella cerifera (= Myrica cerifera)$. An occasional tree may occur (less than 2 trees/1.0 ha), typically ~Pinus elliottii var. densa$ or ~Sabal palmetto$. Other typical plants include ~Andropogon capillipes (= Andropogon virginicus var. glaucus), Axonopus fissifolius, Sorghastrum secundum, Schizachyrium scoparium var. stoloniferum (= Schizachyrium stoloniferum), Pityopsis graminifolia, Eryngium aromaticum, Liatris$ spp., ~Pterocaulon pycnostachyum, Piloblephis rigida, Lilium catesbaei, Sabatia brevifolia, Polygala$ spp., ~Solidago$ spp., and ~Hyptis alata$. This alliance is endemic to Florida and occurs within a matrix of mesic pine flatwoods in the southern portion of the state on flat, moderately to poorly drained sandy sites. These areas are seldom inundated but may flood with several centimeters of water for short periods after heavy summer rains. This alliance is threatened rangewide by urban development, use as unimproved pasture or conversion to improved pasture, agriculture, and citrus groves. Historical acreage of this alliance has greatly decreased, with few large tracts remaining and few occurrences of reasonable quality. This vegetation is closely related floristically to mesic pine flatwoods, except that it has no tree layer. The open structure and species composition is maintained by frequent fire. The natural fire frequency is thought to be more frequent than in the surrounding mesic pine flatwoods. Some sources suggest that this vegetation type may be the result of anthropogenic factors that provided an unnaturally high fire frequency or removed biomass through logging or grazing. |
Comm #5113
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CEGL002606
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accession code: VB.CC.5014.CEGL002606
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5114
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CEGL002607
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accession code: VB.CC.5015.CEGL002607
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5115
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CEGL000809
» more details
accession code: VB.CC.3413.CEGL000809
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5116
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CEGL008640
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accession code: VB.CC.7938.CEGL008640
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5117
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Atriplex confertifolia / Kochia americana Shrubland
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accession code: VB.CC.34381.CEGL001305
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Western Ecology Working Group of... |
0
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Comm #5118
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CEGL000595
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accession code: VB.CC.3204.CEGL000595
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5119
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CEGL000163
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accession code: VB.CC.2789.CEGL000163
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5120
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Atriplex polycarpa Shrubland
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accession code: VB.CC.34235.CEGL001318
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Western Ecology Working Group of... |
0
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