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Name
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Reference
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Plots↓
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Description |
Comm #7211
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Alaska Arctic Polygonal Ground Shrub-Tussock Tundra
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:8976-{F70C5900-5181-40AA-8618-E4CE2B31DBB4}
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Western Ecology Working Group of... |
0
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Comm #7212
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Alaska Arctic Polygonal Ground Tussock Tundra
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:8975-{678621D6-FDD9-4D6B-A6AB-8D9CC415CEB4}
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Western Ecology Working Group of... |
0
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Comm #7213
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Vaccinium spp. / Danthonia spicata - Solidago puberula Sparse Vegetation
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accession code: VB.CC.31089.CEGL006531
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Eastern Ecology Working Group of... |
0
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This sparsely vegetated community is found on resistant outcrops of acidic bedrock along shores in the northern Appalachian Mountains and perhaps adjacent Canada. Substrates include schists, granite, quartzite, sandstone, and gneiss outcrops on rivershores, streamshores, and some lakeshores. Most are flooded annually at high water; this helps to maintain open conditions and also provides silt that accumulates in the rock crevices. The annual disturbance pattern of flooding and ice-scour restricts the vegetation to tough crevice-rooting herbs and low shrubs. Exotic species may be common in these habitats. The total vegetation cover is often less than 20%. Characteristic species include low heaths such as <i>Vaccinium angustifolium, Vaccinium myrtilloides, Vaccinium pallidum</i>, or <i>Gaylussacia baccata</i>, and herbs such as <i>Sibbaldiopsis tridentata (= Potentilla tridentata), Juncus tenuis, Hieracium</i> spp., <i>Deschampsia caespitosa, Trisetum spicatum, Symphyotrichum novi-belgii (= Aster novi-belgii), Solidago simplex var. racemosa (= Solidago glutinosa var. racemosa), Poa compressa, Danthonia spicata, Deschampsia flexuosa</i>, and <i>Andropogon gerardii</i>. Bryoids are sparse, except for certain flood-resistant moss and lichen species. This community is distinguished from other shoreline outcrop associations by the lack of circumneutral or calcareous indicator herbs. |
Comm #7214
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Pseudotsuga menziesii - Tsuga heterophylla / Holodiscus discolor Forest
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accession code: VB.CC.24118.PSEUDOTSUGAMENZ
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Western Ecology Working Group of... |
0
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Comm #7215
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Tsuga mertensiana - Tsuga heterophylla / Vaccinium ovalifolium - Menziesia ferruginea Forest
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accession code: VB.CC.24248.TSUGAMERTENSIAN
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Western Ecology Working Group of... |
0
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Comm #7216
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CEGL001935
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accession code: VB.CC.4489.CEGL001935
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #7217
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Picea sitchensis / Calamagrostis nutkaensis Forest
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accession code: VB.CC.33087.CEGL003266
NOT CURRENTLY ACCEPTED
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Western Ecology Working Group of... |
0
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Comm #7218
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CEGL008490
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accession code: VB.CC.7813.CEGL008490
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #7219
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III.B.1.N.a
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accession code: VB.CC.522.IIIB1NA
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EcoArt 2002 |
0
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Comm #7220
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Picea sitchensis / Calamagrostis canadensis Woodland
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accession code: VB.CC.36562.CEGL003267
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DeVelice, R., C. Hubbard, M. Pot... |
0
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