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Description |
Comm #11961
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Ernodea littoralis - Forestiera segregata var. segregata - Coccoloba uvifera - Jacquinia keyensis Shrubland
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accession code: VB.CC.18112.ERNODEALITTORAL
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Southeastern Ecology Working Gro... |
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This 'coastal strand' community is found in southwestern Florida, ranging from Charlotte County south to Monroe County. It is distinguished from coastal strand communities of the Atlantic Coast of Florida by the absence of Serenoa repens and the abundance of Ernodea littoralis, and the frequent presence of species such as Jacquinia keyensis, Sideroxylon celastrinum, Piscidia piscipula, and Suriana maritima. Also, in contrast to the Atlantic Coast where strand occurs as dense stands of low shrubs immediately inland of the beach dune community, coastal strand on the southwestern Florida coast tends to occur as shrubby islands in coastal grassland or an open stand of shrubs between coastal grassland and maritime hammock communities. Other characteristic species include Lantana involucrata (exotic), Sabal palmetto, Randia aculeata, Sideroxylon celastrinum, Chiococca alba, Morella cerifera (= Myrica cerifera), Ardisia escallonoides, Myrsine floridana, Sophora tomentosa, Dalbergia ecastaphyllum, Opuntia stricta, Piscidia piscipula, Pithecellobium keyense, Ambrosia hispida, and Pithecellobium unguis-cati. |
Comm #11962
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Pinus banksiana / Cladina spp. Rock Outcrop Vegetation
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accession code: VB.CC.36823.CEGL002491
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Midwestern Ecology Working Group... |
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This granite/metamorphic rock outcrop is found in rocky openings on and near the hemi-boreal regions of the Canadian Shield in the northern Great Lakes region of the United States and Canada, and possibly in northern New England. Stands are typically comprised of granite or metamorphic rock, and possibly basalt. They occur on relatively level or rounded areas of exposed bedrock, sometimes along lake shorelines, including the Great Lakes shorelines. Soil development is minimal, and pH is typically acidic. Occurrences are typically a mosaic of exposed bedrock with patches of low vegetation dominated by fruticose lichens and mosses (which cover about 40% of the area) and scattered trees and shrubs (which rarely exceed 20% cover). Bare rock (with crustose lichens) covers about 30% of the area. Lichen species include <i>Cladina rangiferina (= Cladonia rangiferina)</i> and <i>Cladina mitis (= Cladonia mitis)</i>. Mosses include <i>Dicranum</i> spp., <i>Pleurozium schreberi</i>, and <i>Polytrichum</i> spp. The vascular vegetation is typically sparse. Scattered trees and shrubs include <i>Amelanchier</i> spp., <i>Diervilla lonicera, Juniperus communis, Pinus banksiana, Pinus resinosa, Pinus strobus, Prunus pensylvanica, Quercus rubra, Salix bebbiana</i>, and <i>Vaccinium angustifolium</i>. The sparse herbaceous layer includes <i>Agrostis hyemalis, Aralia hispida, Campanula rotundifolia, Corydalis sempervirens, Danthonia spicata, Deschampsia caespitosa, Chamerion angustifolium (= Epilobium angustifolium), Poa compressa</i>, and <i>Sibbaldiopsis tridentata (= Potentilla tridentata)</i>. |
Comm #11963
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Quercus velutina - (Quercus alba) - Quercus ellipsoidalis / Schizachyrium scoparium - Lupinus perennis Wooded Herbaceous Vegetation
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accession code: VB.CC.36753.CEGL002492
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Midwestern Ecology Working Group... |
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This black oak - mixed oak barrens community occurs in the central and lower Great Lakes region of the United States and adjacent Canada. Stands occur on sandy outwash or lakeplains. Soils are well-drained, coarse-textured, varying from almost pure sand to sandy loam. Canopy structure varies from a dominant herbaceous ground layer with sparse, scattered 'savanna' canopy (5-30%), through oak-dominated scrub, to a more closed 'woodland' canopy (30-80%). The canopy layer is dominated by <i>Quercus velutina</i>, with some <i>Quercus ellipsoidalis</i> and <i>Quercus alba</i>, the latter more common eastward and in woodland conditions. Occasional <i>Pinus banksiana</i> can occur in the northern parts of the range. Tree height varies from 5-15 m. A subcanopy layer may be composed of the preceding species or <i>Prunus serotina, Sassafras albidum</i>, and <i>Carya ovata</i>. Tall shrubs may include <i>Cornus amomum, Cornus foemina, Corylus americana</i>, and <i>Rhus glabra</i>. The low-shrub/scrub layer typically contains <i>Ceanothus americanus, Rosa</i> spp. (such as <i>Rosa carolina</i>), and <i>Rubus allegheniensis</i>, but may contain ericaceous shrubs, such as <i>Gaylussacia baccata, Vaccinium angustifolium</i> and <i>Vaccinium pallidum</i>. The herb layer is dominated by graminoids, such as <i>Andropogon gerardii, Carex pensylvanica</i>, and <i>Schizachyrium scoparium</i>. Typical forbs include <i>Antennaria neglecta, Antennaria plantaginifolia, Euphorbia corollata, Helianthemum bicknellii, Helianthemum canadense, Lespedeza capitata, Lithospermum caroliniense, Lithospermum canescens, Lupinus perennis</i>, and <i>Pteridium aquilinum</i>. Forb dominance may increase as woody cover increases. |
Comm #11964
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Zuckia brandegeei Sparse Vegetation
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accession code: VB.CC.31906.CEGL002493
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Western Ecology Working Group of... |
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This sparsely vegetated association is common on plateaus at Petrified Forest National Park but occurs elsewhere in the Colorado Plateau of northern Arizona and eastern Utah. In Arizona, it is found on plateaus, plains, alluvial fans, steep colluvial and badlands slopes or shale hogbacks. It is also found on eroding shales of the high plateaus of southern Utah. Elevation ranges from 1341-2078 m (4397-6815 feet). The soil is rapidly drained clay loam derived from shales such as the Salt Wash Member of the Morrison Formation or Chinle, Moenkopi, Tropic Shale and Curtis formations. The unvegetated surface typically has high cover of shale chips, sandstone rocks, basalt gravel, conglomerate or petrified wood forming a desert pavement surface. Exposure of bare soil is low. The vegetation has a sparse canopy consisting of <i>Zuckia brandegeei</i> with scattered <i>Atriplex confertifolia</i> and <i>Gutierrezia microcephala</i>. The herbaceous layer is low in diversity and provides sparse cover. The bunchgrasses <i>Leymus salinus</i> and <i>Pleuraphis jamesii</i> are present. Forbs include <i>Platyschkuhria integrifolia</i> and <i>Xylorhiza venusta</i>. |
Comm #11965
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Betula pumila / Chamaedaphne calyculata / Carex lasiocarpa Shrubland
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accession code: VB.CC.37032.CEGL002494
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Midwestern Ecology Working Group... |
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This bog birch - leatherleaf shrub, moderately rich to poor fen is found in the northern Great Lakes region of the United States and Canada, and probably elsewhere. Stands are found on the margins of water tracks of large peatlands, or in the interior of small basins that are relatively isolated from runoff. The shrub cover is at least 25%, dominated by a combination of <i>Betula pumila</i> and ericaceous shrubs, including <i>Andromeda polifolia, Chamaedaphne calyculata, Ledum groenlandicum</i>, and <i>Vaccinium oxycoccos</i>. Other minerotrophic shrubs include <i>Lonicera villosa, Rhamnus alnifolia, Rubus arcticus ssp. acaulis (= Rubus acaulis), Rubus pubescens</i>, and <i>Salix pedicellaris</i>. Scattered, small (2-10 m) tree stems of <i>Larix laricina, Picea mariana</i>, and <i>Thuja occidentalis</i> are present at low cover. There is a diverse forb, graminoid, and moss cover, at least in the richer examples of this type. The graminoids include <i>Carex chordorrhiza, Carex lasiocarpa, Carex leptalea</i>, and <i>Eriophorum viridicarinatum</i>. Forbs include <i>Drosera rotundifolia, Equisetum fluviatile, Maianthemum trifolium, Menyanthes trifoliata, Comarum palustre (= Potentilla palustris), Sarracenia purpurea</i>, and <i>Solidago uliginosa</i>. The moss layer contains <i>Aulacomnium palustre, Pleurozium schreberi, Sphagnum angustifolium</i>, and <i>Sphagnum capillifolium</i>. Less frequent are <i>Campylium stellatum, Sphagnum fuscum</i>, and <i>Tomentypnum nitens</i>. Diagnostic features include the combination of <i>Betula pumila</i> and ericaceous shrubs in the shrub layer, and both minerotrophic and oligotrophic graminoid and forb species. |
Comm #11966
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Tsuga mertensiana - Chamaecyparis nootkatensis / Vaccinium ovalifolium Forest
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accession code: VB.CC.37219.CEGL003208
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DeMeo, T., J. Martin, and R. A. ... |
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Comm #11967
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CEGL003272
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accession code: VB.CC.5403.CEGL003272
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Comm #11968
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CEGL001001
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accession code: VB.CC.3602.CEGL001001
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11969
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CEGL001002
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accession code: VB.CC.3603.CEGL001002
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11970
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CEGL001003
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accession code: VB.CC.3604.CEGL001003
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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