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Name
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Reference
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Plots↓
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Description |
Comm #111
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Purshia tridentata Shrubland Alliance
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accession code: VB.cc.30810.PURSHIATRIDENTA
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NVC 2004 |
128
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Comm #112
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Wyoming Big Sagebrush Shrub Herbaceous Alliance
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accession code: VB.cc.30354.WYOMINGBIGSAGEB
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NVC 2004 |
127
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Comm #113
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Picea glauca - Abies balsamea / Acer spicatum / Rubus pubescens Forest
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accession code: urn:lsid:vegbank.org:commConcept:31354-{35F3B603-654B-45C2-B875-3525532837B0}
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NatureServe Biotics 2019 |
127
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This white spruce - balsam fir conifer forest is found in the subboreal region of the Great Lakes in the United States and elsewhere in central Canada. Stands are found primarily on dry-mesic to mesic sites with well-drained, deep (>60 cm), loam, sand, or silt soils. Less commonly, it may be found on wetter sites. The soils have little organic content, and the topography is flat to gently sloping. This community is a closed-canopy forest dominated by a combination of <i>Picea glauca</i> and <i>Abies balsamea</i>. Common associates include <i>Acer rubrum, Betula papyrifera, Picea mariana, Pinus banksiana, Populus tremuloides</i>, and <i>Populus balsamifera</i>. There is usually a prominent shrub/sapling layer containing <i>Abies balsamea, Acer spicatum, Corylus cornuta, Diervilla lonicera, Lonicera canadensis, Picea glauca, Rosa acicularis, Rubus pubescens, Sorbus americana, Vaccinium myrtilloides</i>, and (eastward) <i>Viburnum nudum var. cassinoides</i>. The herbaceous layer is often moderately sparse, with species such as <i>Anemone quinquefolia, Aralia nudicaulis, Eurybia macrophylla, Clintonia borealis, Coptis trifolia, Cornus canadensis, Dryopteris carthusiana, Maianthemum canadense, Mitella nuda</i>, and <i>Trientalis borealis</i>. Mosses include <i>Dicranum polysetum, Pleurozium schreberi, Ptilium crista-castrensis</i>, and <i>Rhytidiadelphus triquetrus</i>. |
Comm #114
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Douglas-fir Woodland Alliance
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accession code: VB.cc.30000.DOUGLASFIRWOODL
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NVC 2004 |
126
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Comm #115
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Quercus montana - Quercus (rubra, velutina) / Vaccinium (angustifolium, pallidum) Forest
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accession code: urn:lsid:vegbank.org:commConcept:34929-{42399A3C-7210-472F-8C0C-DC03999D0BD0}
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NatureServe Biotics 2019 |
126
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This dry to xeric oak-heath forest of central and southern New England ranges south to the northern Piedmont and central Appalachian Mountains. It occurs on upper slopes and ridgetops with thin, nutrient-poor, acidic soils. Windthrow, fire and ice damage are common natural disturbances. The canopy is closed to partially open and is dominated by <i>Quercus montana</i>, which can be codominant with <i>Quercus rubra</i>. <i>Quercus alba, Quercus velutina</i>, and <i>Acer rubrum</i> are common associates, with other less frequent trees including <i>Betula lenta, Quercus coccinea, Amelanchier arborea, Pinus rigida</i>, and <i>Pinus strobus</i>. <i>Sassafras albidum, Cornus florida</i>, and <i>Nyssa sylvatica</i> can be minor associates at the southern and western portions of the range. The low-shrub layer is well-developed and comprised chiefly of ericaceous species, including <i>Vaccinium angustifolium, Vaccinium pallidum, Vaccinium stamineum, Gaylussacia baccata</i>, or <i>Kalmia angustifolia</i>. A tall-shrub layer is often lacking but when present may include <i>Castanea dentata, Kalmia latifolia, Viburnum acerifolium, Hamamelis virginiana, Quercus ilicifolia</i>, and <i>Viburnum prunifolium</i>. <i>Ilex montana, Rhododendron prinophyllum</i>, and <i>Menziesia pilosa</i> are minor shrub associates at the southern end of the range. The herbaceous layer is of sparse to moderate cover, depending on shrub cover, and may include <i>Carex pensylvanica, Deschampsia flexuosa, Danthonia spicata, Ageratina altissima var. altissima, Antennaria plantaginifolia, Aralia nudicaulis, Aureolaria laevigata, Gaultheria procumbens, Chimaphila maculata, Carex rosea, Carex swanii, Carex pensylvanica, Corydalis sempervirens, Comandra umbellata, Cypripedium acaule, Dryopteris marginalis, Epigaea repens, Goodyera pubescens, Hieracium venosum, Lycopodium clavatum, Medeola virginiana, Melampyrum lineare, Monotropa uniflora, Potentilla canadensis, Pteridium aquilinum</i>, and <i>Uvularia sessilifolia</i>. |
Comm #116
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Quercus montana - Quercus rubra / Hamamelis virginiana Forest
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accession code: urn:lsid:vegbank.org:commConcept:34706-{7055F7AB-40F2-46B6-B08C-E4836D33CEE8}
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NatureServe Biotics 2019 |
125
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This closed-canopy, dry-mesic oak forest of the central Appalachian Mountains is a montane forest of somewhat protected rocky slopes. The canopy is codominated by <i>Quercus montana</i> and <i>Quercus rubra</i>. Associated canopy species include <i>Liriodendron tulipifera, Acer rubrum, Carya glabra, Carya ovalis, Carya tomentosa, Acer saccharum, Tilia americana, Fagus grandifolia</i>, and <i>Betula lenta</i>. The tall-shrub layer is most often characterized by <i>Hamamelis virginiana</i> and <i>Acer pensylvanicum</i>. The lower shrub layer is patchy and contains a mixture of scrambling vines, ericads, and non-ericaceous species. The herbaceous layer is usually sparse but may include <i>Dryopteris marginalis, Dioscorea quaternata, Eurybia divaricata, Ageratina altissima, Polygonatum biflorum, Solidago caesia, Festuca subverticillata, Thelypteris noveboracensis, Sanicula trifoliata, Prenanthes altissima, Polystichum acrostichoides, Desmodium nudiflorum, Galium latifolium, Houstonia purpurea</i>, and <i>Maianthemum racemosum</i>. This association is more or less intermediate in site conditions and composition between oak / heath forests of exposed, xeric, infertile sites and richer cove or montane oak-hickory forests of sheltered, fertile sites. |
Comm #117
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Quercus douglasii / Bromus sp. - Daucus pusillus Woodland
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accession code: urn:lsid:vegbank.org:commConcept:36688-{77A78A1B-4F97-46BC-B193-5D4819FF383F}
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NatureServe Biotics 2019 |
125
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This woodland association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. Stands of this woodland are found at xeric to dry-mesic environments at low elevations (700-1160 m [2300-3800 feet]) on the mid to high portions of southeast- to northwest-facing slopes that are variable in steepness (gentle to steep). Slopes tend to be linear to undulating. Soils are moderately well-developed with textures ranging from sandy loam to clay loam from metamorphic parent material. The soils at these sites tend to be somewhat poorly drained to well-drained. Fire in this association is common but usually is not extensive. Litter cover ranges from 45-95% but tends to be 80-90%. Invasion from exotics species is common at this association with impact levels of low to high. This association forms an open to intermittent tree layer dominated by <i>Quercus douglasii</i>. The understory is continuous with predominantly <i>Bromus</i> sp. <i>(Bromus hordeaceus, Bromus arenarius</i>, and <i>Bromus diandrus</i>), <i>Daucus pusillus, Avena barbata, Galium parisiense, Lactuca serriola</i>, and a large variety of other herbs and grasses. Often common is <i>Hypochaeris glabra</i>. <i>Trifolium microcephalum</i> and <i>Trifolium wormskioldii</i> are sometimes common. <i>Daucus pusillus, Castilleja densiflora, Silene gallica, Torilis arvensis, Brodiaea elegans, Vulpia myuros, Pinus sabiniana, Clarkia purpurea, Gilia capitata, Trifolium ciliolatum, Erodium cicutarium, Lupinus bicolor, Pellaea mucronata</i>, and <i>Quercus wislizeni</i> are often present contributing to minor cover. <i>Perideridia bacigalupii</i> is a rare species that may be contributing to minor cover in this association. |
Comm #118
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OMIT
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accession code: VB.cc.30493.OMIT
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NVC 2004 |
123
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Comm #119
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Sporobolus airoides Herbaceous Alliance
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accession code: VB.cc.30857.SPOROBOLUSAIROI
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NVC 2004 |
123
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Comm #120
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Taxodium distichum - Nyssa aquatica / Fraxinus caroliniana Floodplain Forest
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accession code: urn:lsid:vegbank.org:commConcept:35663-{94345CFD-2D4E-467F-BBE3-84642AA4E3A5}
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NatureServe Biotics 2019 |
123
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This is a semipermanently flooded community of brownwater rivers which occurs primarily in the outer Atlantic Coastal Plain extending through the East Gulf Coastal Plain. Vegetation is characterized by a dense canopy composed almost exclusively of straight, tall individuals of <i>Taxodium distichum</i> and <i>Nyssa aquatica</i> with a sparse to moderate subcanopy and depauperate shrub and herb layers. Occasional individuals of several species (e.g., <i>Populus heterophylla, Salix nigra, Nyssa biflora, Planera aquatica, Ulmus americana, Fraxinus profunda, Fraxinus caroliniana, Carya aquatica, Quercus lyrata</i>) are possible in the canopy or subcanopy. The herbaceous layer is very sparse, and typical species include <i>Saururus cernuus, Proserpinaca pectinata, Proserpinaca palustris, Asclepias perennis, Commelina virginica, Leersia lenticularis</i>, and <i>Phanopyrum gymnocarpon</i>. It is found on the lower Atlantic Coastal Plain from southeastern Virginia to southern Georgia, and possibly on the lower Gulf Coastal Plain west to southeastern Louisiana, excluding the Mississippi River Alluvial Plain. It can be found in oxbow lakes and ponds, along the banks of rivers and lakes, on low wet flats and sloughs, swales and backswamps. It occurs only on saturated or flooded soils. Forests dominated by <i>Taxodium distichum</i> and <i>Nyssa aquatica</i> are common throughout the southeastern Coastal Plain. |
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