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Name
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Reference
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Plots↓
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Description |
Comm #6731
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Aleutian Crowberry-Herbaceous Heath
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:8991-{0492417E-FE2B-4FB0-A6D6-850CFD884536}
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Western Ecology Working Group of... |
0
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Comm #6732
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Aleutian Oval-leaf Blueberry Shrubland
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:8990-{7E4122B1-088E-4CF7-A1ED-19C680A273D3}
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Western Ecology Working Group of... |
0
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Comm #6733
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Aleutian Mesic-Wet Willow Shrubland
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:8989-{177F1201-851D-4278-8560-8D22FFC7C8F3}
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Western Ecology Working Group of... |
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Comm #6734
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Quercus velutina - Quercus alba / Vaccinium (angustifolium, pallidum) / Carex pensylvanica Forest
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accession code: VB.CC.36741.CEGL005030
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Midwestern Ecology Working Group... |
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This black oak - white oak-dominated forest community is found in the southern Great Lakes region of the United States and Canada. Stands occur on sandy, relatively flat, dry-mesic sites. The tree canopy is typically closed, with greater than 80% cover. <i>Quercus velutina</i> and <i>Quercus alba</i> are the dominant species. The shrub layer contains <i>Vaccinium angustifolium</i> and <i>Vaccinium pallidum</i>, at least in Ohio. The herbaceous layer can be strongly dominated by <i>Carex pensylvanica</i>. |
Comm #6735
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CEGL004531
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accession code: VB.CC.6077.CEGL004531
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6736
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Tsuga canadensis - Fagus grandifolia - (Acer saccharum) Great Lakes Forest
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accession code: VB.CC.36668.CEGL005042
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Midwestern Ecology Working Group... |
0
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This hemlock - beech hardwood forest is found in the central Great Lakes region of the United States and Canada. Stands may be found on flat to moderately steep slopes of any aspect. Soils are primarily dry-mesic to mesic loams and sands and sometimes loamy silt. The overstory is typically a closed canopy dominated by <i>Tsuga canadensis</i> and either <i>Acer saccharum</i> or <i>Fagus grandifolia</i>. <i>Acer rubrum, Betula alleghaniensis, Fraxinus americana, Pinus strobus, Quercus rubra</i>, and <i>Ulmus americana</i> also can be found in the canopy. Along with smaller individuals of the canopy species, <i>Abies balsamea, Ostrya virginiana</i>, and <i>Picea glauca</i> can often be found in the undergrowth in Upper Michigan. The shrub layer is usually not well-developed and includes such species as <i>Corylus cornuta, Diervilla lonicera, Hamamelis virginiana</i>, and <i>Lonicera canadensis</i>. The herbaceous layer may contain few to many species. Herbaceous species, such as <i>Anemone quinquefolia, Cornus canadensis, Dryopteris carthusiana, Maianthemum canadense, Maianthemum racemosum, Medeola virginiana, Trientalis borealis, Trillium grandiflorum</i>, and <i>Viola</i> spp., can be moderately abundant. |
Comm #6737
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Thuja occidentalis Limestone Bedrock Woodland
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accession code: VB.CC.36654.CEGL005050
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Midwestern Ecology Working Group... |
0
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This white-cedar pavement woodland community type is found in the lower and central Great Lakes regions of the United States and Canada. Stands occur on relatively flat, exposed limestone bedrock, often in association with alvars or limestone cliffs. Stands may be found on bedrock with as much as 1 m of soil. Canopy cover ranges from open to >90%, and varies from pure evergreen to mixed evergreen-deciduous. <i>Picea glauca</i> and <i>Thuja occidentalis</i> dominate the overstory in the pure evergreen phase, but <i>Pinus strobus</i> (emergent) and <i>Tsuga canadensis</i> can also be found in the mixed phase, along with deciduous species, such as <i>Acer saccharum, Quercus rubra</i>, and <i>Ostrya virginiana</i>. The shrub layer is sparse. Herbaceous cover is generally sparse in the evergreen phase, containing wide-ranging forbs, such as <i>Maianthemum canadense</i>, but is more diverse in the mixed phase. |
Comm #6738
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CEGL006068
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accession code: VB.CC.6642.CEGL006068
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6739
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CEGL006074
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accession code: VB.CC.6643.CEGL006074
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #6740
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Acacia greggii Shrubland
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accession code: VB.CC.31749.CEGL005053
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Western Ecology Working Group of... |
0
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This catclaw acacia shrubland association is currently described from Grand Canyon National Park and Grand Canyon-Parashant National Monument in Arizona. More survey and classification work are needed to fully characterize this type. It predominantly occurs on sideslopes at 700 to 1325 m (2250-4325 feet) elevation, but can be found as low as 400 m (1275 feet). It is primarily found on moderate to steep slopes (20-50°), but also occurs on more gentle gradients (3-8 degrees) as well. Soils are well- to rapidly-drained sandy loams or loamy sands, which lie above limestone or rarely shale, sandstone, or schist. Vegetation is characterized and dominated by <i>Acacia greggii</i> which typically occurs as a tall shrub but is also occasionally found as a short shrub. <i>Ephedra fasciculata</i> occurs quite frequently in the short-shrub layer, while <i>Ferocactus cylindraceus</i> and <i>Aloysia wrightii</i> also occur occasionally. <i>Agave utahensis, Gutierrezia</i> spp., <i>Opuntia basilaris, Brickellia atractyloides</i>, and <i>Janusia gracilis</i> occur sporadically in the sparse dwarf-shrub layer. <i>Bromus rubens</i> consistently occurs in a relatively well-developed graminoid layer. The perennial grasses <i>Aristida purpurea</i> and <i>Achnatherum speciosum</i> are also sporadically present. A fairly weak forb layer is common, in which <i>Porophyllum gracile, Acourtia wrightii, Cryptantha</i> spp., and <i>Sphaeralcea grossulariifolia</i> occur. |
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