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Name
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Reference
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Plots↓
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Description |
Comm #11051
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CEGL001684
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accession code: VB.CC.4249.CEGL001684
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11052
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Platanus occidentalis - Celtis laevigata - Fraxinus pennsylvanica / Lindera benzoin - Ilex decidua / Carex retroflexa Forest
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accession code: VB.CC.24612.PLATANUSOCCIDEN
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Southeastern Ecology Working Gro... |
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This forest association occurs on terraces of associated rivers and large creeks in the Mid-Atlantic Coastal Plain, lower Piedmont, and possibly in adjacent regions. These are relatively more well-drained than the adjacent flats. The mostly closed canopy of this community is dominated by Platanus occidentalis, Celtis laevigata, and Fraxinus pennsylvanica. These species, along with Acer negundo, are important in the well-developed subcanopy also. Other tree species are possible in these strata; these include Crataegus viridis, Juglans nigra, Acer saccharinum, Morus rubra, Ilex decidua, Ulmus americana, Planera aquatica, Quercus laurifolia, Quercus nigra, Liquidambar styraciflua, Populus deltoides, Carya aquatica, and others. The shrub layer generally is sparse and is dominated by Lindera benzoin, Ilex decidua, Asimina triloba, and likely other species as well. Some examples of this community also have patches of Arundinaria gigantea in spots. The herbaceous layer is typically sparse to moderate and constant species are Boehmeria cylindrica, Carex grayi, Carex retroflexa, and Viola spp. Other typical species include Botrychium dissectum, Carex frankii, Carex lupulina, Chasmanthium latifolium, Onoclea sensibilis, Pilea pumila, Polygonum hydropiperoides, Polygonum virginianum, and others. The vine stratum is moderate and many species are possible. Among these are Bignonia capreolata, Parthenocissus quinquefolia, Smilax tamnoides, Vitis rotundifolia, Ampelopsis arborea, Berchemia scandens, Gelsemium sempervirens, and Toxicodendron radicans. Exotic species such as Ligustrum sinense, Lonicera japonica, and Microstegium vimineum may invade stands of this association, and increase following disturbance. This forest type is documented in the Mid-Atlantic Coastal Plain (and lower Piedmont) but is possible in adjacent regions; global distribution needs assessment. |
Comm #11053
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CEGL006308
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accession code: VB.CC.6816.CEGL006308
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11054
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CEGL006310
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accession code: VB.CC.6817.CEGL006310
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11055
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CEGL006311
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accession code: VB.CC.6818.CEGL006311
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EcoArt 2002 |
0
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Comm #11056
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CEGL001691
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accession code: VB.CC.4255.CEGL001691
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11057
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Pseudoroegneria spicata - Festuca idahoensis Palouse Herbaceous Vegetation
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accession code: VB.CC.32728.CEGL001670
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Western Ecology Working Group of... |
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This perennial bunchgrass association grows between 1580-1935 m elevation in the Palouse Prairie of southeastern Washington, Oregon and Idaho. Stands occur on ridgetops or on flat to concave surfaces on the middle or upper third of the slope. Slopes range from 0%-110%, and stands can be found on all aspects. Temperatures are very warm during the growing season and precipitation is low. Soils are moderate to deep, permitting the establishment of <i>Festuca idahoensis</i> and <i>Pseudoroegneria spicata</i>. These codominants combine for approximately 40% cover. <i>Poa secunda</i> is also usually present with a mean cover of 12%. On gentle slopes the cover of <i>Poa secunda</i> increases to about 18%. Forbs are many and varied including <i>Achillea millefolium var. occidentalis, Eriogonum heracleoides</i>, and <i>Lomatium</i> sp. |
Comm #11058
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Fagus grandifolia - Quercus rubra / Acer barbatum - Aesculus sylvatica / Actaea racemosa - Adiantum pedatum Forest
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accession code: VB.CC.34866.CEGL008466
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Southeastern Ecology Working Gro... |
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This association represents intermediate and basic, mesic, mixed hardwood forests of the Piedmont, ranging from south-central Virginia south to Georgia. Stands of this association are closed-canopy forests dominated by <i>Fagus grandifolia</i> and <i>Quercus rubra</i> with <i>Liriodendron tulipifera, Quercus alba, Carya ovata</i>, and <i>Fraxinus americana</i>. In addition, <i>Acer barbatum</i> or <i>Acer leucoderme</i> may be present within their ranges. <i>Acer barbatum </i>dominates the canopy of some stands. Prominent understory species include <i>Aesculus sylvatica, Ostrya virginiana</i>, and <i>Asimina triloba</i>. Herbs which appear to be abundant or characteristic include <i>Polystichum acrostichoides, Asarum canadense, Actaea racemosa (= Cimicifuga racemosa), </i><i>Adiantum pedatum</i><i>, </i><i>Sanguinaria canadensis, Tiarella cordifolia var. collina, Carex laxiflora var. laxiflora, Carex grisea, Desmodium pauciflorum, Uvularia sessilifolia, Maianthemum racemosum, Polygonatum biflorum, Tipularia discolor, Dicentra canadensis, Podophyllum peltatum, Cardamine concatenata, Erythronium americanum</i>, and <i>Erythronium umbilicatum ssp. umbilicatum</i>. |
Comm #11059
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Pontederia cordata Tropical Herbaceous Vegetation
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accession code: VB.CC.33382.CEGL004261
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Southeastern Ecology Working Gro... |
0
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This association presumably represents long hydroperiod wetlands with zonal vegetation dominated by monospecific beds of <i>Pontederia cordata</i> in tropical regions of Florida. Such sites are likely inundated for most of the year with little variation in hydroperiod. However, more information is needed on all aspects of this community, including its distinctiveness, distribution, environment, and associated species. |
Comm #11060
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Metopium toxiferum - Eugenia foetida - Krugiodendron ferreum - Swietenia mahagoni / Capparis flexuosa Forest
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accession code: VB.CC.35690.CEGL007007
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Southeastern Ecology Working Gro... |
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This community is a dense, tropical, broad-leaved, evergreen forest with an open understory, occurring on areas of elevated rock. Canopies are typically 9-12 m and composed of trees 10-20 cm in diameter with scattered individuals that are up to 100 cm in diameter. Common canopy species include <i>Metopium toxiferum, Krugiodendron ferreum, Swietenia mahagoni, Guapira discolor, Bursera simaruba, Coccoloba diversifolia, Lysiloma latisiliquum, Sideroxylon salicifolium (= Bumelia salicifolia, = Dipholis salicifolia), Sideroxylon foetidissimum (= Mastichodendron foetidissimum)</i>, and <i>Ficus aurea</i>. Well-developed subcanopies contain smaller individuals of canopy species and <i>Eugenia axillaris, Eugenia foetida, Gymnanthes lucida, Thrinax radiata, Thrinax morrisii, Amyris elemifera, Drypetes diversifolia, Canella winteriana, Bourreria succulenta (= Bourreria ovata), Sapindus saponaria, Guajacum sanctum</i>, etc. Species that occur as shrubs include <i>Psychotria nervosa, Ardisia escallonoides, Guettarda elliptica, Guettarda scabra, Colubrina elliptica, Capparis flexuosa</i>, and <i>Eugenia rhombea</i>. Only a few shade-tolerant herbs are found beneath the dense forest cover (<i>Dichanthelium dichotomum, Oplismenus hirtellus ssp. setarius (= Oplismenus setarius), Lasiacis divaricata</i>). Scattered orchids (<i>Eulophia alta, Beloglottis costaricensis (= Spiranthes costaricensis), Cyclopogon cranichoides (= Spiranthes cranichoides), Stenorrhynchos lanceolatum (= Spiranthes lanceolata), Eltroplectris calcarata</i>) and clumps of ferns (<i>Nephrolepis exaltata, Nephrolepis biserrata, Thelypteris kunthii</i>) may grow in areas with sufficient moisture. Other ferns (<i>Adiantum tenerum, Tectaria heracleifolia, Tectaria fimbriata, Thelypteris reptans, Thelypteris sclerophylla</i>) grow on the walls of solution holes. Herbaceous epiphytes are abundant and conspicuous (<i>Campyloneurum phyllitidis, Pleopeltis polypodioides ssp. polypodioides, Phlebodium aureum, Vittaria lineata, Tillandsia</i> spp.). |
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