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Name
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Reference
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Plots↓
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Description |
Comm #7671
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Salix monticola / Angelica ampla Shrubland
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accession code: VB.CC.26394.SALIXMONTICOLAA
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Western Ecology Working Group of... |
0
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Comm #7672
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Hymenoclea salsola Wash Shrubland
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accession code: VB.CC.31645.CEGL005398
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Western Ecology Working Group of... |
0
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Comm #7673
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Acadian Maritime Bog
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:8480-{F215F34B-1476-4F23-82C2-F15AD18FAA50}
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Comer et al. 2003 |
0
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Comm #7674
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Betula nigra - Salix interior Shrubland
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accession code: VB.CC.24146.BETULANIGRASALI
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Eastern Ecology Working Group of... |
0
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This early-successional shrub community of riverbank floodplain and river gravel bars and islands occurs in the High Allegheny Plateau, Central Appalachians, and Lower New England. It is subject to periodic flooding and ice-scour and occurs on sand, gravel or cobble deposits. It is dominated by stunted trees (less than 5 m tall) and can include Acer saccharinum, Platanus occidentalis, Betula nigra, Acer negundo, Prunus spp., and Ulmus americana. Betula nigra is characteristic and often dominant. Associates include Cornus amomum, Salix nigra, Salix interior, Salix caroliniana, Salix exigua, Salix sericea, Alnus serrulata, and sometimes Physocarpus opulifolius. Characteristic herbs include Polygonum virginianum, Arisaema dracontium, and Justicia americana . Exotics such as Polygonum cuspidatum are a frequent problem. |
Comm #7675
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Artemisia tridentata - Atriplex confertifolia Shrubland
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accession code: VB.CC.19976.ARTEMISIATRIDEN
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Western Ecology Working Group of... |
0
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This sagebrush shrubland occurs in the northwestern Great Plains and adjacent basins and mountains of the western United States, especially in badlands regions. Stands occur on shallow to deep soils with a comparably wide range of textures. Soils are derived from sandstone and shale sedimentary formations, including those with a calcareous composition, and they tend to have both high pH (7.6-8.4) and conductivity. This type is apparently not restricted by slope or aspect, occurring on both alluvial fans/terraces and highly eroded badlands with steep slopes (>80%). The known elevational range is from approximately 900-1500 m (3000-4700 feet). The visual aspect of this association, especially where it occurs on badlands and eroded surfaces, is often that of a depauperate shrubland, often with less than 25% cover. Artemisia tridentata ssp. wyomingensis and Atriplex confertifolia constitute from 5-25% combined cover, with Artemisia tridentata strongly dominant. In the Bighorn Basin and Bighorn Sedimentary Mountains Sections of Montana, other shrubs with greater than 50% constancy (but <5% canopy cover) include Atriplex nuttallii, Sarcobatus vermiculatus, Krascheninnikovia lanata, and Ericameria nauseosa (= Chrysothamnus nauseosus). Subshrubs Eriogonum brevicaule and Eriogonum pauciflorum are relatively constant on a regional basis. There is little consistency to the composition of the herbaceous layer, which varies from site to site across the region. The graminoids constitute the next most abundant component, but their combined cover usually does not exceed 5%; those grasses with the highest constancy are Achnatherum hymenoides (= Oryzopsis hymenoides), Hesperostipa comata (= Stipa comata), and Aristida purpurea. Phlox hoodii, Sphaeralcea coccinea and Opuntia polyacantha appear to have the highest constancy values, but seldom exceed 1% cover. |
Comm #7676
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CEGL002608
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accession code: VB.CC.5016.CEGL002608
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #7677
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CEGL002609
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accession code: VB.CC.5017.CEGL002609
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #7678
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CEGL008565
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accession code: VB.CC.7872.CEGL008565
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #7679
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CEGL008566
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accession code: VB.CC.7873.CEGL008566
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #7680
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Asociación de Lemna minuta - Lemna gibba
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accession code: urn:lsid:vegbank.org:commConcept:36782-{6C254F52-4892-4F66-8E93-3A914DF8B346}
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NatureServe Biotics 2019 |
0
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2500-4800 m. Orotropical, supratropical y mesotropical superior. Asociación constituida por pleustófitos pequeños, propia de aguas quietas mineralizadas y/o eutrofizadas, ampliamente distribuida en los pisos ecológicos altoandino, altimontano y montano superior. Combinación florística diferencial: <i>Azolla filiculoides, Lemna minuta, Lemna gibba</i> y <i>Lemna valdiviana</i>. Áreas mayores actuales y/o potenciales: La Paz (Lago Titicaca), Cochabamba (Laguna Alalay) y Oruro (Lagos Poopó y Uru-Uru). |
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