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Name
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Reference
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Plots↓
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Description |
Comm #5361
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Arctostaphylos glauca Shrubland
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accession code: VB.CC.31820.CEGL003008
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Western Ecology Working Group of... |
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This shrubland is known from central and southern California and Baja California, Mexico. It occurs in the Central Coast, the inner Central and South Coast, and montane Transverse and Peninsular ranges of southern California, and into Baja California, Mexico. The shrubland occurs on gentle to steep (7-22°) slopes from 423 to 649 m (138-2130 feet) elevation on variable aspects. Soils are clay to coarse or fine sandy loams. Stands occur on mid to upper slopes but can be seen on lower slopes as well. This shrubland is solely dominated by <i>Arctostaphylos glauca</i>. Characteristic shrubs at lower cover include <i>Adenostoma fasciculatum, Ceanothus cuneatus var. cuneatus</i>, and <i>Malosma laurina</i>. The emergent tree layer may include <i>Pinus sabiniana</i>. The understory herbaceous layer may include the forbs <i>Camissonia</i> spp., <i>Galium</i> spp., <i>Marah macrocarpus, Phacelia cicutaria, Cerastium glomeratum, Logfia gallica (= Filago gallica), Galium porrigens var. porrigens, Marah fabaceus, Pentagramma triangularis ssp. triangularis</i>, and <i>Uropappus lindleyi</i>, and the graminoid <i>Vulpia myuros</i>. |
Comm #5362
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Sagittaria lancifolia - Glottidium vesicarium - Solidago sempervirens - Lythrum lineare Herbaceous Vegetation
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accession code: VB.CC.26720.SAGITTARIALANCI
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Southeastern Ecology Working Gro... |
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This association occurs as a fringing tidal marsh along oligohaline waters (documented from the head of Mobile Bay, Alabama). The vegetation is dominated by Sagittaria lancifolia. Other common species are Glottidium vesicarium (= Sesbania vesicaria), Alternanthera philoxeroides (exotic), Solidago sempervirens var. mexicana, Pluchea sp., Boltonia asteroides, Lilaeopsis chinensis, Lythrum lineare, Cicuta maculata, Peltandra virginica, Polygonum hydropiperoides, Cyperus sp., Panicum virgatum var. virgatum (= Panicum virgatum var. cubense), and Sesbania punicea (exotic). |
Comm #5363
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Populus tremuloides / Betula occidentalis Forest
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accession code: VB.CC.25120.POPULUSTREMULOI
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Western Ecology Working Group of... |
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This plant association is a lush, deciduous, riparian woodland with a diverse canopy of aspen and conifer trees. The understory has a high structural diversity of shrubs and an herbaceous undergrowth ranging from a thick carpet of grasses and forbs to a very sparse ground cover in heavily shaded areas. The presence of obligate riparian shrub species distinguish this association from upland Populus tremuloides communities. |
Comm #5364
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CEGL008014
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accession code: VB.CC.7549.CEGL008014
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Comm #5365
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Picea mariana / Pleurozium schreberi Forest
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accession code: VB.CC.27012.PICEAMARIANAPLE
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Midwestern Ecology Working Group... |
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This black spruce / feathermoss forest type is found widely throughout the boreal regions of Canada, and into adjacent areas of the midwestern United States. Stands occur on level to gently sloping ground. Soils are typically moderately well-drained, coarse loams, sands, and silts. The canopy of this community is closed and heavily dominated by Picea mariana with small amounts of Abies balsamea, Betula papyrifera, Picea glauca, Pinus banksiana, and Populus tremuloides. The shrub and herb layer are poorly developed. Species that are most abundant in these layers include the shrubs Corylus cornuta, Gaultheria procumbens, Ledum groenlandicum, Rosa acicularis, Vaccinium angustifolium, and Vaccinium myrtilloides and the herbs Eurybia macrophylla (= Aster macrophyllus), Cornus canadensis, Equisetum arvense, and Maianthemum canadense. Feathermosses, particularly Pleurozium schreberi, are very abundant. |
Comm #5366
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Baccharis salicifolia - Baccharis neglecta / Eustoma exaltatum Shrubland
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accession code: VB.CC.19812.BACCHARISSALICI
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Southeastern Ecology Working Gro... |
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This community occurs in seasonally flooded interdune ponds in sand dune landscapes of Trans-Pecos Texas. Baccharis salicifolia and Baccharis neglecta dominate the shrub layer, and Prosopis glandulosa var. glandulosa can also be present. Herbs include Eustoma exaltatum, Cyperus spp., Xanthium strumarium, and the rare species Cyperus onerosus. Wetter interdune swales have a willow-dominated community, Salix exigua / Baccharis salicifolia - Baccharis neglecta / Schoenoplectus spp. Woodland (CEGL004587). |
Comm #5367
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I.A.4.N.a
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accession code: VB.CC.400.IA4NA
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EcoArt 2002 |
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Comm #5368
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Azolla (filiculoides, mexicana) Herbaceous Vegetation
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accession code: VB.CC.34618.CEGL003017
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Western Ecology Working Group of... |
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From Christy (2004): Habitat is low-elevation eutrophic ponds, lakes, and sloughs with little water movement. Species of <i>Azolla </i>occur throughout northwestern Oregon, but stands extensive enough to be considered occurrences of this association are most common in low-elevation areas in the Coast Range and Willamette Valley. They typically form nearly monotypic green or reddish mats that float on the surface of lakes and ponds, often growing so dense that no open water is visible. <i>Azolla </i>needs open water to proliferate in winter and spring, but it tolerates being stranded on mudflats when shallow pools dry out in summer. Mudflat sites are not uncommon, particularly on large floodplains, and in this habitat the <i>Azolla </i>mat develops a peculiar lumpy surface with varied microtopography. Elements of the <i>Lemna minor </i>association (<i>Lemna, Spirodela, Ricciocarpos</i>) may often be intermixed with <i>Azolla </i>but are always subordinate to <i>Azolla. </i>Eutrophic conditions favored by this association may be enhanced by enriched runoff in agricultural or urban landscapes. |
Comm #5369
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Ceanothus cuneatus Shrubland
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accession code: VB.CC.31819.CEGL003025
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Western Ecology Working Group of... |
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This chaparral shrubland is found in the Klamath Mountains and the central and southern coastal mountains of California. It occurs on moderately steep to steep slopes on most aspects. Sites can be on very rocky serpentine soils in northern California, or on sand to sandy loams derived from fanglomerate, granite, and rhyolite. Shrub cover is moderate to continuous, with <i>Ceanothus cuneatus</i> being the sole dominant shrub. Other shrubs present include <i>Adenostoma fasciculatum</i> in central California, and <i>Ericameria ophitidis (= Haplopappus ophitidis)</i> on serpentine sites in northern California, each with sparse cover. |
Comm #5370
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CEGL005231
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accession code: VB.CC.6544.CEGL005231
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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