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Name
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Reference
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Plots↓
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Description |
Comm #731
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QUAKING ASPEN - ENGELMANN SPRUCE FOREST ALLIANCE
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accession code: VB.cc.30230.QUAKINGASPENENG
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NVC 2004 |
26
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Comm #732
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Abies lasiocarpa - Populus tremuloides Forest Alliance
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accession code: VB.cc.30368.ABIESLASIOCARPA
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NVC 2004 |
26
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Comm #733
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Ceanothus greggii Shrubland Alliance
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accession code: VB.cc.30384.CEANOTHUSGREGGI
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NVC 2004 |
26
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Comm #734
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Muhlenbergia montana Herbaceous Alliance
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accession code: VB.cc.30726.MUHLENBERGIAMON
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NVC 2004 |
26
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Comm #735
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Populus deltoides - (Salix amygdaloides) / Salix (exigua, interior) Floodplain Woodland
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accession code: urn:lsid:vegbank.org:commConcept:29568-{441FC180-5078-4FD9-828C-C8A00CFCE571}
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NatureServe Biotics 2019 |
26
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This cottonwood - willow woodland is found widely in the central Great Plains of the United States. Stands occur on recently deposited alluvial material along rivers and streams. The soils are derived from alluvial sand, silt, and clay and are poorly developed. The water table fluctuates with the level of the adjacent river or stream. <i>Populus deltoides</i> is the dominant species in this community, although <i>Salix exigua</i> and/or <i>Salix interior</i> is generally more dominant in the initial stage following a major flood event. <i>Salix amygdaloides</i> is rare to codominant. The shrub/sapling layer is conspicuous, especially near the streambank, and consists mainly of <i>Salix exigua, Populus deltoides</i>, and <i>Salix amygdaloides</i>, or occasionally <i>Salix lutea</i>. In the more easterly parts of the range, <i>Salix interior</i> may replace <i>Salix exigua</i>. On the older margins of this community <i>Fraxinus pennsylvanica</i> is often found as a sapling or small canopy tree. The herbaceous stratum is variable. Graminoids typical of undisturbed sites include <i>Carex emoryi, Carex pellita, Pascopyrum smithii</i>, and <i>Spartina pectinata</i>. <i>Equisetum arvense</i> and <i>Glycyrrhiza lepidota</i> are common forbs in these sites. Widely distributed species that are adapted to these sites include <i>Ambrosia psilostachya, Artemisia campestris ssp. caudata, Artemisia ludoviciana, Calamovilfa longifolia, Cenchrus longispinus, Chamaesyce serpyllifolia, Euphorbia esula, Grindelia squarrosa, Helianthus petiolaris, Heterotheca villosa, Phyla lanceolata, Opuntia macrorhiza, Poa pratensis</i>, and <i>Sporobolus cryptandrus</i>. These sites are prone to invasion by exotic grasses and forbs, the most widely established being <i>Agrostis stolonifera, Bromus tectorum, Cirsium arvense, Bassia scoparia, Melilotus</i> spp., <i>Taraxacum officinale</i>, and <i>Tragopogon dubius</i>. |
Comm #736
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Pinus palustris / Quercus laevis / Serenoa repens - Clinopodium coccineum Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32474-{7023B957-211F-48CC-A754-C710D7AE0CD7}
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NatureServe Biotics 2019 |
26
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This East Gulf Coastal Plain community is characterized by a canopy of widely spaced <i>Pinus palustris</i> with a sparse subcanopy of <i>Quercus laevis</i>, above a well-developed shrub layer dominated by <i>Serenoa repens</i>. Openings between <i>Serenoa</i> cover have bare sand with scattered shrubs and herbs. Common herbaceous species include <i>Aristida beyrichiana, Clinopodium coccineum, Schizachyrium scoparium, Galactia regularis, Pityopsis graminifolia, Rhynchosia cytisoides</i>, and <i>Cyperus retrofractus</i>. |
Comm #737
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Pinus banksiana / Arctostaphylos uva-ursi Forest
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accession code: urn:lsid:vegbank.org:commConcept:31346-{A6733C30-8857-448F-9FA1-D38B40A2AD8A}
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NatureServe Biotics 2019 |
26
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This jack pine - red pine dry sand woodland type is found in northern Minnesota and in the central subboreal forest region of Canada. Stands occur on flat to rolling topography. The soils are relatively infertile sand, loamy sand, sandy loam, and sometimes silt. There is a shallow but largely continuous layer of humus. The overstory is dominated by <i>Pinus banksiana</i> or <i>Pinus resinosa</i>. There may be scattered <i>Pinus strobus, Populus tremuloides</i>, and, in stands adjacent to low areas, <i>Picea mariana</i>. The canopy is typically 15-20 m tall. The more mesic sites tend to have denser shrub layers. Typical components include <i>Amelanchier alnifolia, Arctostaphylos uva-ursi, Diervilla lonicera, Hudsonia tomentosa</i>, and <i>Vaccinium angustifolium</i>. Common herbaceous species are <i>Symphyotrichum laeve, Cornus canadensis, Maianthemum canadense, Oryzopsis asperifolia</i>, and <i>Solidago</i> spp. Drier sites have more open understories and depauperate flora. Mosses are common, especially on more mesic sites. This community develops following fire. Without periodic fires, later successional species, such as <i>Abies balsamea, Picea glauca</i> and <i>Picea mariana</i>, may invade. |
Comm #738
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Acer saccharinum - (Populus deltoides) / Matteuccia struthiopteris - Laportea canadensis Floodplain Forest
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accession code: urn:lsid:vegbank.org:commConcept:34795-{966E8C28-A060-4D5D-B055-4A2350EF7F4E}
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NatureServe Biotics 2019 |
26
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These are silver maple floodplain forests along major rivers in the temperate northeastern United States. They occur on the deep, alluvial, silty to somewhat coarse soils of point bars, levees, and adjacent terraces of medium to large, high-energy and moderate-gradient rivers with heavy erosion and sedimentation, and are subjected to spring flooding. The more-or-less closed canopy is high and arching, and the dominant below-canopy feature is the lush and extensive herb layer, with ferns especially prominent. Shrubs are scattered and the overall shrub cover is low. Bryoids are very minor. The canopy is strongly dominated by <i>Acer saccharinum</i>. Other trees may be locally common, or scattered, including <i>Populus deltoides, Quercus rubra, Acer negundo, Ulmus rubra, Juglans nigra, Fraxinus americana</i>, and <i>Fraxinus pennsylvanica</i>. <i>Populus deltoides</i> tends to be characteristic of the siltier soils and levees within these forests. Typical shrubs include <i>Lindera benzoin, Cornus amomum, Sambucus nigra ssp. canadensis</i>, and potentially invasive non-native <i>Lonicera</i> spp., <i>Rosa multiflora</i>, or <i>Ligustrum vulgare</i>. Vines such as <i>Vitis riparia</i> are common at some sites. The dominant herbs are <i>Matteuccia struthiopteris</i> and <i>Laportea canadensis</i>. Associated herbs include <i>Elymus riparius, Elymus virginicus, Amphicarpaea bracteata, Ageratina altissima, Arisaema triphyllum, Circaea lutetiana, Thalictrum pubescens, Onoclea sensibilis</i>, and <i>Polygonum virginianum</i>. Particularly in the southern portions of this type's range, non-native herbs such as <i>Alliaria petiolata, Allium vineale, Ranunculus ficaria</i>, and <i>Microstegium vimineum</i> may essentially replace the native herbs. This association is distinguished from the related ~<i>Acer saccharinum / Onoclea sensibilis - Boehmeria cylindrica</i> Floodplain Forest (CEGL006176)$$ by its greater abundance of <i>Matteuccia struthiopteris</i> relative to <i>Onoclea sensibilis</i> and its better-drained soils. Flood duration is usually shorter in the ostrich fern type. It is distinguished from floodplain forests to the south by the absence (or only very rare presence) of <i>Platanus occidentalis</i> and <i>Celtis occidentalis</i>. |
Comm #739
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Vaccinium corymbosum / Sphagnum spp. Acidic Peatland
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accession code: urn:lsid:vegbank.org:commConcept:34837-{6E2A20B8-A728-47FF-B388-6B1E217CABCF}
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NatureServe Biotics 2019 |
26
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Highbush blueberry peat bog of glaciated regions in the eastern and northeastern United States. This tall-shrub bog thicket occurs on oligotrophic to weakly minerotrophic peat soils, commonly as a border thicket around more open dwarf heath shrub peatlands or within small, isolated basins. Significant seasonal water level fluctuation can occur, especially in isolated basins without inlet or outlet streams. A tall-shrub layer is characterized by abundant <i>Vaccinium corymbosum</i> plus <i>Gaylussacia baccata, Chamaedaphne calyculata, Kalmia angustifolia, Rhododendron canadense, Lyonia ligustrina</i>, and <i>Nemopanthus mucronatus</i> in more northern or cooler microclimates, and <i>Ilex verticillata</i> and <i>Rhododendron viscosum</i> in the south. In locally wetter areas, <i>Cephalanthus occidentalis</i> or <i>Decodon verticillatus</i> can occur. Coastal occurrences may have additional shrub species such as <i>Leucothoe racemosa, Clethra alnifolia</i>, and <i>Gaylussacia dumosa</i>. Sparse, scattered trees may occur, including <i>Acer rubrum, Picea mariana, Larix laricina, Pinus strobus, Pinus rigida, Betula populifolia</i>, or <i>Nyssa sylvatica</i>, with species dependent on environmental setting. The herbaceous layer tends to be sparse, although can be locally abundant. Common herbs include <i>Osmunda cinnamomea, Woodwardia virginica, Carex trisperma, Sarracenia purpurea, Thelypteris palustris, Triadenum virginicum</i>, and <i>Maianthemum trifolium</i>. <i>Sphagnum</i> mosses blanket well-developed hummocks and hollows, including <i>Sphagnum magellanicum, Sphagnum centrale, Sphagnum rubellum, Sphagnum capillifolium, Sphagnum fimbriatum</i>, and <i>Sphagnum fuscum</i>. |
Comm #740
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Peltandra virginica - Schoenoplectus (pungens, tabernaemontani) Tidal Marsh
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accession code: urn:lsid:vegbank.org:commConcept:35202-{291A8181-235D-4759-B1C9-D367AE0A50D2}
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NatureServe Biotics 2019 |
26
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This sparsely to densely vegetated herbaceous community occurs in low intertidal portions of marshes along tidal rivers and large tributaries in Virginia. It occupies both narrow zones along channel edges in chiefly freshwater regimes and in local subsidence areas in the interior of small to large marshes under freshwater to oligohaline conditions. <i>Peltandra virginica</i> is a constant and typically dominant or codominant constituent. Most stands also contain <i>Schoenoplectus pungens</i> or <i>Schoenoplectus tabernaemontani</i>. Other common associates include <i>Polygonum punctatum, Zizania aquatica, Leersia oryzoides, Pontederia cordata</i>, and in freshwater habitats <i>Eleocharis quadrangulata</i>. Stature of prevailing vegetation is generally <1 m, but emergent stems of <i>Schoenoplectus tabernaemontani</i> or <i>Zizania aquatica</i> may reach 2 m. |
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