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Reference
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Description |
Comm #6141
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Morella cerifera - Rosa palustris / Thelypteris palustris var. pubescens Shrubland
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accession code: VB.CC.35865.CEGL004656
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Southeastern Ecology Working Gro... |
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This shrub community occurs in ecotonal sites between tidal marshes and tidal swamps in fresh to oligohaline portions of coastal rivers and embayments. It occupies soupy peats. It is a natural community, but likely has a long-term and complicated successional relationship with other (primarily marsh) communities in the landscape in which it occurs, related to hydrology and fire. <i>Morella cerifera (= Myrica cerifera var. cerifera)</i> and <i>Rosa palustris</i> are the characteristic dominant species, each attaining 10-25% cover. Also constant but attaining slightly less cover are species such as <i>Acer rubrum</i> and <i>Toxicodendron radicans ssp. radicans</i>. Other woody species include <i>Persea palustris, Magnolia virginiana, Salix caroliniana, Vaccinium formosum, Smilax walteri</i>, and saplings of <i>Fraxinus profunda, Nyssa biflora, </i><i>Acer rubrum, Pinus taeda, Taxodium distichum</i>, and <i>Liquidambar styraciflua</i>. Herbaceous composition is diverse and varied, with many species 'recruited' from adjacent marshes and swamps. <i>Thelypteris palustris var. pubescens</i> is highly characteristic and appears to reach its nodal distribution in this landscape in this community. Other important species can include <i>Osmunda regalis var. spectabilis, Leersia oryzoides, Hibiscus moscheutos ssp. moscheutos, Polygonum arifolium</i>, and <i>Mikania scandens</i>. <i>Murdannia keisak</i> is an aggressive alien weed. |
Comm #6142
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CEGL003396
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accession code: VB.CC.5452.CEGL003396
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6143
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Adiantum capillus-veneris - Boehmeria cylindrica - Lobelia siphilitica Herbaceous Vegetation
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accession code: VB.CC.36426.CEGL004728
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Southeastern Ecology Working Gro... |
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This broadly defined association covers vegetation dominated by <i>Adiantum capillus-veneris</i> occurring in Kentucky, Tennessee, and possibly other inland states. In Kentucky, this alliance occurs along bluffs of the Cumberland River and its South Fork, where small streams and seeps flow over open limestone cliffs. At these sites, <i>Boehmeria cylindrica</i> and <i>Lobelia siphilitica</i> are common herbaceous associates; <i>Hydrangea arborescens</i> is a common shrub. In Tennessee, <i>Stellaria fontinalis (= Arenaria fontinalis)</i> is sometimes found in examples of this vegetation (in the Eastern Highland Rim). Also reported from sites along the Green River in the Pennyroyal Karst Plain (Hart County, Kentucky, 222Eh). |
Comm #6144
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Alnus viridis ssp. sinuata / Acer circinatum Shrubland
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accession code: VB.CC.34261.CEGL001155
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Western Ecology Working Group of... |
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Comm #6145
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Panicum hemitomon Semipermanently Flooded Herbaceous Vegetation
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accession code: VB.CC.35905.CEGL004665
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Southeastern Ecology Working Gro... |
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This association is a very common fresh marsh type of the Chenier and Deltaic plains of Louisiana and the upper coast of Texas. This type is broadly defined to include several manifestations related to geographic location, associated vegetation, and degree of subsidence. However, all examples are strongly dominated by <i>Panicum hemitomon</i>. Much of the variability currently reflected in this type is exhibited between examples found in the Chenier and Deltaic plains. The Deltaic Plain expressions are largely floating marsh ("thick mat flotant"), while very little flotant is present in the Chenier Plain. Commonly occurring species in the Chenier Plain of Louisiana include <i>Sagittaria lancifolia, Eleocharis</i> spp., <i>Typha</i> spp., <i>Cladium mariscus ssp. jamaicense (= Cladium jamaicense), Ludwigia</i> spp., <i>Schoenoplectus californicus (= Scirpus californicus), Crinum americanum, Zizaniopsis miliacea</i>, and <i>Cephalanthus occidentalis</i>, while in the Deltaic Plain common associates include <i>Leersia oryzoides</i>, and sometimes <i>Sagittaria lancifolia</i>, along with <i>Thelypteris palustris, Osmunda regalis, Vigna luteola, Ipomoea sagittata, Polygonum sagittatum</i>, and <i>Conoclinium coelestinum (= Eupatorium coelestinum)</i>. |
Comm #6146
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Glossopetalon spinescens var. aridum / Pseudoroegneria spicata Shrubland
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accession code: VB.CC.33779.CEGL001100
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Western Ecology Working Group of... |
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Comm #6147
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Nyssa biflora - Liquidambar styraciflua - Acer rubrum var. trilobum / Clethra alnifolia Forest
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accession code: VB.CC.35681.CEGL004679
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Southeastern Ecology Working Gro... |
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In this nonriverine swamp forest, <i>Liquidambar styraciflua, Nyssa biflora</i>, and <i>Acer rubrum var. trilobum</i> are the constant and dominant species, with lesser amounts (and lower constancy) of <i>Ulmus rubra, Ulmus americana, Fraxinus pennsylvanica, Nyssa aquatica, Populus heterophylla, Quercus laurifolia, Quercus pagoda, Quercus shumardii, Quercus lyrata, Taxodium distichum</i>, and <i>Taxodium ascendens</i>. Subcanopy species can include <i>Ilex opaca, Fraxinus caroliniana</i>, and <i>Magnolia virginiana</i>. <i>Clethra alnifolia</i> is the characteristic shrub species, and often grows densely. Typical herbs (none with high cover) are <i>Carex gigantea, Carex louisianica, Lobelia inflata</i>, and <i>Saururus cernuus</i>. This association occurs at Roquist Pocosin, near the mouth of the Roanoke River, and in other wet nonriverine flats. the species composition suggests a higher nutrient status than some other nonriverine swamp associations. |
Comm #6148
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CEGL004167
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accession code: VB.CC.5865.CEGL004167
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6149
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A.829
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accession code: VB.CC.2458.A829
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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This broadly distributed alliance is found in the western United States on dry steppes. It occurs primarily in the West; however, this description is based on the vegetation in western North Dakota and eastern Montana. Shrubs are conspicuous in this alliance, but herbaceous species usually have equal or greater coverage. The shrub stratum is typically 0.3-0.7 m tall. ~Artemisia tridentata$ is the most abundant shrub. Stands of ~Artemisia tridentata$ in the Little Missouri National Grassland have been identified as ~Artemisia tridentata ssp. wyomingensis$. Further review of the taxonomy in North and South Dakota is needed to determine the distribution of this alliance. |
Comm #6150
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Juglans nigra - Celtis occidentalis Ruderal Forest
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accession code: VB.CC.36131.CEGL004693
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Southeastern Ecology Working Gro... |
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This association covers second-growth forests on deep soils of woodlots and fencerows of calcium-rich areas in the Bluegrass Basin of Kentucky. The canopy is dominated by <i>Juglans nigra</i> and <i>Celtis occidentalis</i>, with <i>Fraxinus americana, Prunus serotina var. serotina, Robinia pseudoacacia</i>, and scattered <i>Ulmus americana</i>. This represents the weedy, second-growth equivalent of ~<i>Juglans nigra - Aesculus glabra</i> var. <i>glabra - Gymnocladus dioicus / Arundinaria gigantea</i> ssp. <i>gigantea - (Asimina triloba)</i> Forest (CEGL004437)$$. |
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