| Add/Drop |
Name
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Reference
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Plots↓
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Description |
Comm #6201
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CEGL000014
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accession code: VB.CC.2642.CEGL000014
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6202
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CEGL000371
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accession code: VB.CC.2991.CEGL000371
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6203
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A.1991
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accession code: VB.CC.1695.A1991
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EcoArt 2002 |
0
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This alliance consists of plantings of ~Pinus pinaster$ (native of Mediterranean Europe) along the barrier islands of North Carolina (and possibly elsewhere on the Atlantic coast of North America), with the goal of island stabilization. Older plantations have ingrowth of native woody species, such as ~Pinus taeda, Juniperus virginiana var. silicicola, Quercus virginiana, Ilex vomitoria, Morella cerifera (= Myrica cerifera var. cerifera), Prunus serotina var. serotina$, and others. Older plantations also have development of native floristic herbaceous composition, including ~Spartina patens, Muhlenbergia filipes, Eustachys petraea$, etc. |
Comm #6204
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Lupinus arcticus ssp. subalpinus - Carex spectabilis Herbaceous Vegetation
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accession code: VB.CC.22212.LUPINUSARCTICUS
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Western Ecology Working Group of... |
0
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Comm #6205
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Pinus contorta var. contorta - Pseudotsuga menziesii / Cladina spp. Forest
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accession code: VB.CC.24720.PINUSCONTORTAVA
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Western Ecology Working Group of... |
0
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Comm #6206
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A.2578
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accession code: VB.CC.1845.A2578
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6207
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Populus tremuloides - Populus balsamifera ssp. trichocarpa / Osmorhiza occidentalis Forest
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accession code: VB.CC.27192.POPULUSTREMULOI
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Western Ecology Working Group of... |
0
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This association has been described from the foothills of the eastern slope of the Rocky Mountains in northwestern Montana. It is found on the bottoms of narrow mountain valleys, intra- and inter-morainal depressions, areas possibly underlain by clay lenses, and fringing kettle lakes, from 1372-1678 m (4500-5500 feet) elevation. These sites have gentle slopes and occur on all aspects. Sites on southerly aspects are typically moist mountain slopes where soil moisture is probably augmented by subsurface flow. Soils are derived from alluvium (some deposited by slopewash), colluvium, or aeolian materials derived from sedimentary rock types and layered over morainal drift. Soils are seasonally saturated and have relatively high organic matter. This forest association is dominated by the broad-leaved deciduous tree Populus balsamifera ssp. trichocarpa (= Populus trichocarpa), with Populus tremuloides usually present. Where both species are present, Populus balsamifera ssp. trichocarpa has at least 1-5% cover, and is the indicator species for this association. Occasional individuals of Picea engelmannii and Pseudotsuga menziesii occur, but seedlings of these species are rare. The understory is characterized by a low-shrub layer composed of patches of Symphoricarpos albus. Amelanchier alnifolia and Mahonia repens (= Berberis repens) occur in most stands, but are typically not abundant. The herbaceous layer is diverse, well-developed and composed of species indicative of mesic conditions. Important perennial forbs include Osmorhiza occidentalis, Heracleum maximum (= Heracleum lanatum), Actaea rubra, Galium triflorum, Viola canadensis, and Angelica arguta. Other forbs of high constancy are Thalictrum occidentale, Fragaria virginiana, Maianthemum stellatum (= Smilacina stellata), Geranium viscosissimum, Geranium richardsonii, and Packera pseudaurea (= Senecio pseudaureus). On sites that are transitional to those with permanently saturated soils, Equisetum arvense, Streptopus amplexifolius, and Calamagrostis canadensis become more important. |
Comm #6208
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A.2503
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accession code: VB.CC.1764.A2503
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6209
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CEGL006067
» more details
accession code: VB.CC.6641.CEGL006067
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6210
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Pluchea sericea Seasonally Flooded Shrubland Alliance
» more details
accession code: VB.CC.23421.PLUCHEASERICEAS
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Western Ecology Working Group of... |
0
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This evergreen shrub-scrub vegetation type grows in seasonally and permanently flooded wetlands in southern California and the Mojave and Colorado deserts. The elevational range of the type is between sea level and 600 m. Stands occur in canyon bottoms, irrigation ditches, streamsides, and along the margins of springs. The nominal species can tolerate both fresh and somewhat brackish water. Stands are dominated by Pluchea sericea that often forms pure stands. Typha angustifolia and/or Salix exigua may be present. Secondary species vary regionally. Pluchea sericea stands may form a fine mosaic with other wetland alliances. |
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