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Name
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Reference
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Description |
Comm #5951
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Pinus serotina / Cyrilla racemiflora - Lyonia lucida - Ilex glabra Woodland
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accession code: VB.CC.27890.PINUSSEROTINACY
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Southeastern Ecology Working Gro... |
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This woodland, with a canopy dominated by Pinus serotina (cover greater than 50%) over a dense shrub layer, occurs within a mosaic of other peatland communities on poorly drained interstream flats of outer coastal terraces. The canopy is variable in closure, from closed to fairly sparse; larger shrubs range from 2-4 m in height. The community also occurs in isolated wetlands such as Carolina bays. Other canopy species in this community can include Gordonia lasianthus, Magnolia virginiana, Persea palustris, Acer rubrum var. trilobum (in fire-suppressed examples), Pinus taeda (in disturbed examples), and less commonly, Chamaecyparis thyoides. The bay species, Gordonia lasianthus, Persea palustris, and Magnolia virginiana, are present also in the shrub layer. Other shrubs present include Ilex myrtifolia, Clethra alnifolia, Morella caroliniensis (= Myrica heterophylla), Photinia pyrifolia (= Aronia arbutifolia), and Viburnum nudum var. nudum. Herbs generally are not common. This community is present on the Coastal Plain from northern North Carolina to South Carolina, but probably absent from Georgia and northern Florida. |
Comm #5952
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CEGL007860
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accession code: VB.CC.7451.CEGL007860
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Comm #5953
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Rhus trilobata Intermittently Flooded Shrubland
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accession code: VB.CC.20864.RHUSTRILOBATAIN
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Western Ecology Working Group of... |
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This association is known from both riverine and non-riverine wetlands in Utah, western Colorado, and the Snake River canyon and its tributaries of southern Idaho. Throughout its range, the association occurs at low to mid elevations (e.g., 2300-5500 feet in Idaho and 5100-6500 feet in Colorado), most often along mid-order to large rivers, but also in narrow canyons of small creeks and intermittent drainages. This association often forms linear bands above the high water line on steep shorelines, along rocky toeslopes at cliff bases, on benches, and in intermittent arroyos, usually where there is minimal floodplain development. Stands also occur on rocky hillsides in association with springs and seeps emanating from canyon walls. In broad river bottoms, stands occur in the floodplain on second terraces between older Populus spp. forests on upper terraces and Salix exigua shrublands next to the river. In these large floodplains, habitats are in flux with stream meanders, channel downcutting, and sediment deposition; sites where this shrubland persists are generally too dry for the establishment of Populus and Salix spp. The association is found on well-drained, fine silty clays to sandy loam soils overlying coarse alluvium, bedrock, or talus. Rhus trilobata often forms tall, dense, and nearly impenetrable thickets with 30-98% cover. Associated shrubs can sometimes be codominant, but no single species has consistently high cover or constancy across the range of the association. Associated shrubs include Celtis laevigata var. reticulata, Clematis ligusticifolia, Cornus sericea, Ericameria nauseosa, Ribes aureum, Rosa woodsii, Salix exigua, Salix lasiolepis, Salix lutea, Shepherdia argentea, and Toxicodendron rydbergii. Saplings of Populus fremontii, Populus angustifolia, or Salix amygdaloides may be present. Total understory herbaceous cover and diversity are low, and herbaceous species are often confined to shrub canopy gaps. Bromus tectorum and Galium aparine are the most frequently occurring species, but native grasses such as Elymus canadensis, Equisetum spp., Hordeum jubatum, Muhlenbergia asperifolia, Leymus cinereus, Pascopyrum smithii, and Phragmites australis are sometimes also present. Forb associates include Apocynum cannabinum and Artemisia ludoviciana. Non-native species are common in disturbed stands. |
Comm #5954
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CEGL000390
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accession code: VB.CC.3008.CEGL000390
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5955
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CEGL000168
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accession code: VB.CC.2794.CEGL000168
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5956
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North Pacific Interior Shrub Swamp
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:9035-{608C0910-655F-4A9E-81B5-05E42C409676}
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Western Ecology Working Group of... |
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Comm #5957
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North Pacific Sub-boreal Lower Montane Fen
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:9034-{2342B645-8FCF-43C4-88FD-18754CC9BCD6}
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Western Ecology Working Group of... |
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Comm #5958
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Pinus contorta var. murrayana / Ligusticum grayi Forest
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accession code: VB.CC.33170.CEGL002747
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Western Ecology Working Group of... |
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This forest association has a wide distribution in the Sierra Nevada of California. It is found at high elevations (2030-2720 m [6660-8920 feet]) on low slopes and benches. Aspect is variable but often northwestern and northeastern. This association is found on gentle to somewhat steep (3-32%) slopes. The microtopography tends to be hummocky and broken. Soils are poorly drained to well-drained with textures ranging from sandy loam to sandy clay loam derived from granitic parent material. Soil depths are moderately deep to deep (56 cm to greater than 100 cm [20-40 inches]). Bare soil, gravel and rock cover tends to be minimal. Stands form a continuous forest dominated by <i>Pinus contorta</i>, but <i>Abies magnifica</i> is often present. The dense understory is typically continuous with the occasional <i>Ribes montigenum</i> and <i>Ribes roezlii (= Grossularia roezlii)</i> in the shrub layer. The lush herbaceous layer typically is comprised of <i>Ligusticum grayi, Orthilia secunda, Perideridia parishii, Senecio triangularis, Osmorhiza berteroi (= Osmorhiza chilensis), Veratrum californicum, Poa bolanderi</i>, and <i>Luzula comosa</i>. |
Comm #5959
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Spartina pectinata North Atlantic Coast Herbaceous Vegetation
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accession code: VB.CC.18340.SPARTINAPECTINA
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Eastern Ecology Working Group of... |
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This tall graminoid vegetation occurs primarily on the sandy shores of large ponds in the North Atlantic Coast and of Lake Champlain. The dominant species is Spartina pectinata, sometimes to the near exclusion of other species. Associates, when they do occur, may include Euthamia caroliniana (= Euthamia tenuifolia), Lycopus spp., and Eleocharis spp. One occurrence on Lake Champlain is codominated by Ammophila breviligulata. |
Comm #5960
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CEGL004343
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accession code: VB.CC.5948.CEGL004343
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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