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Name
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Reference
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Plots↓
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Description |
Comm #6971
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Juniperus horizontalis - Arctostaphylos uva-ursi - Juniperus communis Dune Dwarf-shrubland
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accession code: VB.CC.25844.JUNIPERUSHORIZO
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Midwestern Ecology Working Group... |
0
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This dwarf-shrub dune community is found throughout the western Great Lakes region of the United States and Canada. Stands are found on flat-topped, wind-swept, stabilized dunes. The dwarf-shrubs form an open to closed mat layer. Dominant shrubs include Arctostaphylos uva-ursi, Juniperus communis, and Juniperus horizontalis. Hudsonia tomentosa may also be present, along with a variety of other deciduous shrubs. Ammophila breviligulata and Schizachyrium scoparium are among the herbaceous species found here. |
Comm #6972
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CEGL002759
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accession code: VB.CC.5140.CEGL002759
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6973
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Picea sitchensis / Lysichiton americanus Forest
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accession code: VB.CC.33240.CEGL003271
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Western Ecology Working Group of... |
0
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This plant association is a minor type in south-central Alaska's rainforests. It occurs on floodplains and undisturbed north-aspect foot slopes with less than 15% slope and at less than 30 m (100 feet) elevation. <i>Picea sitchensis</i> is the dominant conifer with <i>Tsuga heterophylla</i> occasionally occurring as a minor associate. There are no shrub species dominant in this type, but <i>Alnus viridis ssp. sinuata (= Alnus crispa ssp. sinuata), Oplopanax horridus (= Echinopanax horridus), Vaccinium ovalifolium</i>, and <i>Rubus spectabilis</i> may be present. <i>Lysichiton americanus</i> is well represented in the undergrowth. Herbaceous species with high constancy but low cover include <i>Rubus pedatus, Cornus canadensis, Tiarella trifoliata, Streptopus amplexifolius, Dryopteris expansa (= Dryopteris dilatata), Gymnocarpium dryopteris</i>, and <i>Phegopteris connectilis (= Thelypteris phegopteris)</i>. |
Comm #6974
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Populus angustifolia / Salix drummondiana - Acer glabrum Woodland
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accession code: VB.CC.18036.POPULUSANGUSTIF
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Western Ecology Working Group of... |
0
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This riparian plant association is a lush deciduous forest occurring on an active alluvial floodplain of Sand Creek in the Sangre de Cristo Mountains of southern Colorado (1800-2000 m elevation). It is characterized by a relatively sparse to dense overstory of Populus angustifolia and Salix drummondiana (20-80% cover) along the immediate streambank and scattered Acer glabrum (5-20% cover) and other willows. Tall and medium-sized Populus angustifolia dominate the upper canopy. Other trees present may include Abies concolor, Populus tremuloides, and Pseudotsuga menziesii. Rosa woodsii was present in all sampled stands with 5-30% cover. Other shrubs include Alnus incana, Jamesia americana, Salix lucida, and Prunus virginiana. Herbaceous cover is generally low (10-15% cover), including Orthilia secunda, Maianthemum stellatum, Pyrola asarifolia, and Oxypolis fendleri. |
Comm #6975
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Alnus (incana, serrulata, maritima) Tidal Shrubland Alliance
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accession code: VB.CC.18013.ALNUSINCANASERR
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Southeastern Ecology Working Gro... |
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Tidal freshwater, or perhaps also oligohaline, shrublands dominated by Alnus serrulata and/or Alnus incana. Alnus maritima dominates some tidal shrublands on the Delmarva peninsula. In some examples one or both of these may be characteristically dominant or nearly so. Other examples may be more semi-open with a mixed canopy of Alnus with other shrubs such as Cornus amomum, Rosa palustris, and Ilex verticillata. Other woody plants which may be present include Sambucus canadensis, Salix spp., Amorpha fruticosa, Cephalanthus occidentalis, and Toxicodendron radicans. More northern examples may contain Viburnum recognitum and Spiraea alba var. latifolia (= Spiraea latifolia). This alliance occurs along tidal freshwater reaches of rivers. One association is recognized along the south Atlantic Coast to South Carolina and possibly elsewhere. This can occur as a fringing shrubland, zonal between Zizania aquatica tidal marshes and tidal cypress - gum forests. Less commonly it occupies large patches in freshwater marshes. Other species characteristic of tidal situations often occur, including Rosa palustris and Zizania aquatica. Another association is recognized in coastal areas with tidally influenced river systems from Maine to Virginia. Flood waters are typically slightly acid (pH less than 5) and soils are usually mineral without significant peat deposits. In these examples, Carex stricta may also be present and there is a great deal of micro-relief (tussocks and furrows) leading to high species diversity. Some shrub associates include Decodon verticillatus and Toxicodendron vernix; some herbaceous associates are Osmunda regalis, Thelypteris palustris, Galium spp., Typha latifolia, Peltandra virginica, Mikania scandens, Symphyotrichum novi-belgii (= Aster novi-belgii), Boehmeria cylindrica, Impatiens capensis, Triadenum walteri, Asclepias incarnata, Carex emoryi, Carex atlantica ssp. atlantica (= Carex incomperta), Eriophorum virginicum, Platanthera clavellata, and Xyris torta. |
Comm #6976
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CEGL002766
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accession code: VB.CC.5143.CEGL002766
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EcoArt 2002 |
0
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Comm #6977
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CEGL002767
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accession code: VB.CC.5144.CEGL002767
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6978
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CEGL001018
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accession code: VB.CC.3617.CEGL001018
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6979
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CEGL001019
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accession code: VB.CC.3618.CEGL001019
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6980
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Alnus rhombifolia / Sambucus caerulea Forest
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accession code: VB.CC.24968.ALNUSRHOMBIFOLI
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Western Ecology Working Group of... |
0
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This plant association is described from the Snake River canyon in western Idaho from sites at 1500-2625 feet elevation. The overstory of stands is dominated by Alnus rhombifolia; dispersed Populus balsamifera ssp. trichocarpa, Pinus ponderosa, or Prunus virginiana are often present. The shrub understory is occupied by Sambucus caerulea. No other information is currently available. |
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