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Name
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Reference
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Description |
Comm #12361
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Quercus rubra - Acer saccharum - (Betula alleghaniensis) Forest
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accession code: VB.CC.36615.CEGL002461
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Midwestern Ecology Working Group... |
0
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This red oak - hardwood forest is found in the sub-boreal/mixed hardwood-conifer region of the Great Lakes, in both the United States and Canada. Stands are found on dry to mesic ridgetops and upper to midslopes, occasionally with bedrock outcrops, and on glacial outwash. Soils are moderately shallow (30-60 cm) to deep, varying from fine sands to loams and clay loams. Dominant species in the tree canopy include <i>Quercus rubra, Acer saccharum</i>, and <i>Acer rubrum</i>. Associates include <i>Betula papyrifera, </i><i>Betula alleghaniensis, </i><i>Pinus strobus, </i><i>Populus tremuloides, Populus grandidentata</i>, and in the eastern part of its range, <i>Fagus grandifolia, Fraxinus americana</i>, and <i>Ostrya virginiana</i>. Subcanopy species typically include the maples. Shrubs include <i>Amelanchier laevis, Acer pensylvanicum, Corylus cornuta, Hamamelis virginiana</i>, and <i>Lonicera canadensis</i>. Herbs include <i>Aralia nudicaulis, Eurybia macrophylla (= Aster macrophyllus), Dryopteris carthusiana, Maianthemum canadense, Mitchella repens</i> (creeping semi-shrub), <i>Polygonatum pubescens</i>, and <i>Pteridium aquilinum</i>. Diagnostic species include <i>Quercus rubra</i> along with ground layer species typical of the mixed hardwood-conifer region. |
Comm #12362
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A.1685
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accession code: VB.CC.1436.A1685
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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This alliance consists of small seepages with scattered cover of small forbs, including ~Chrysosplenium americanum, Cardamine clematitis, Circaea alpina$, and usually also with the moss ~Rhizomnium appalachianum$. Vegetation in this alliance is normally over-shaded by trees rooted in adjacent (non-wetland) communities. The spatial extent of this alliance is small, with individual occurrences normally much less than a hectare in size. Despite its small spatial scale, this alliance is an important component of the diversity of the landscapes in which it occurs. The alliance is distributed primarily in the Appalachian Mountains. |
Comm #12363
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Fouquieria splendens Shrubland [Placeholder]
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accession code: VB.CC.18224.FOUQUIERIASPLEN
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Southeastern Ecology Working Gro... |
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Comm #12364
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Tsuga mertensiana - Abies amabilis Saturated Forest Alliance
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accession code: VB.CC.18385.TSUGAMERTENSIAN
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Western Ecology Working Group of... |
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Vegetation within this alliance occurs in cold, snowy subalpine environments of high coastal mountains. It has been reported from Washington and British Columbia, but probably also occurs northward. It occurs from 760-1220 m in elevation, primarily west of the Cascade crest where maritime climate influence is strong and deep winter snowpacks are typical. Precipitation ranges from 150-400 cm annually, falling largely as snow, and snowpacks usually linger into June or later. These forests typically occur in subalpine habitats near the ecotone with subalpine parklands. Sites are cold, poorly drained and saturated because of shallow subirrigation, seeps, springs or small streams. Stands are found on gentle, lower slopes, toeslopes, and valley bottoms with typically eastern and northern aspects. Substrates are moderately deep soils derived from colluvium, alpine till, glacial outwash, with volcanic ash overlaying granite. These soils are acidic, coarse-textured with a substantial organic component because of high moisture and low temperatures. Vegetation included in this forest alliance has a closed tree canopy 20-35 m tall that is dominated by Tsuga mertensiana and Abies amabilis. Other common trees include Tsuga heterophylla and Chamaecyparis nootkatensis. The shrub layer is moderately dense and is dominated by ericaceous species such as Vaccinium ovalifolium and Oplopanax horridus. Other common shrubs include Rubus pedatus, Rubus spectabilis, Ribes bracteosum, Menziesia ferruginea, and Vaccinium membranaceum. The sparse herbaceous layer is dominated by shade-tolerant forbs and ferns, such as Tiarella trifoliata var. unifoliata, Clintonia uniflora, Streptopus lanceolatus var. curvipes (= Streptopus roseus), Athyrium filix-femina, Blechnum spicant, and Gymnocarpium dryopteris. Adjacent stands include forests dominated by Tsuga heterophylla or Pseudotsuga menziesii at lower elevations and Abies lasiocarpa at higher elevations. |
Comm #12365
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Quercus rubra - Quercus alba - (Quercus velutina, Acer rubrum) / Viburnum acerifolium Forest
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accession code: VB.CC.36796.CEGL002462
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Midwestern Ecology Working Group... |
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This dry to dry-mesic oak forest community is found in the central regions of the Great Lakes in the United States and Canada. Stands typically occur on well-drained sandy and sandy loam moraines, ice-contact topography, and fine-textured glacial lakebeds. The overstory contains <i>Quercus rubra, Quercus alba, Acer rubrum</i> and, less frequently <i>Pinus strobus, Populus grandidentata</i>, and <i>Quercus velutina</i>. The sapling layer contains <i>Prunus serotina</i> and <i>Ostrya virginiana</i>, with <i>Acer rubrum</i> or <i>Acer saccharum</i>. Shrubs include <i>Amelanchier</i> spp. and <i>Viburnum acerifolium</i>. The herbaceous layer contains <i>Aralia nudicaulis, Eurybia macrophylla (= Aster macrophyllus), Desmodium glutinosum, Desmodium nudiflorum, Maianthemum canadense</i>, and <i>Trientalis borealis</i>. Further work is needed to characterize this type rangewide. |
Comm #12366
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Betula papyrifera - Acer saccharum / Mixed Hardwoods Forest
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accession code: VB.CC.37086.CEGL002464
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Midwestern Ecology Working Group... |
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This paper birch - northern hardwoods successional forest type is found in the sub-boreal regions of the Great Lakes of the United States and Canada and elsewhere in central Canada and the northeastern United States. Stands are often small, and found on slopes or in somewhat recently burned or otherwise disturbed areas. It has a moderately open to closed canopy dominated strongly by <i>Betula papyrifera</i>. <i>Populus tremuloides, </i><i>Populus grandidentata</i>, typically with <i>Acer saccharum</i> or <i>Acer rubrum</i> may be present in smaller amounts. Tree reproduction layers are dominated by later successional deciduous trees. <i>Acer saccharum</i> or <i>Acer rubrum</i> may be dominant species in these layers. <i>Acer rubrum, Betula alleghaniensis, Fagus grandifolia</i>, and <i>Quercus rubra</i> are common components in some areas. Minor amounts of conifers may be present, including <i>Pinus strobus</i> or, in the Northeast, <i>Picea rubens</i>. The shrub layer is dominated by <i>Acer spicatum</i> and <i>Corylus cornuta</i>. The understory contains species such as <i>Aralia nudicaulis, Eurybia macrophylla (= Aster macrophyllus), Clintonia borealis, Cornus canadensis, Maianthemum canadense, Dryopteris intermedia</i>, and <i>Trientalis borealis</i>. Diagnostic features include dominance by <i>Betula papyrifera</i>, and the presence of a variety of hardwood species in the understory, including <i>Acer saccharum, Acer rubrum, Betula alleghaniensis, Fagus grandifolia</i>, and <i>Quercus rubra</i>. |
Comm #12367
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Pinus contorta / Trichophorum caespitosum Woodland
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accession code: VB.CC.33146.CEGL003204
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Western Ecology Working Group of... |
0
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Comm #12368
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Pinus contorta - (Chamaecyparis nootkatensis) / Gaultheria shallon Woodland
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accession code: VB.CC.35991.CEGL003205
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DeMeo, T., J. Martin, and R. A. ... |
0
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Comm #12369
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CEGL008036
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accession code: VB.CC.7571.CEGL008036
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12370
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CEGL002701
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accession code: VB.CC.5104.CEGL002701
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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