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Name
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Reference
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Description |
Comm #11691
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CEGL002547
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accession code: VB.CC.4961.CEGL002547
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #11692
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Bouteloua gracilis - Buchloe dactyloides Xeric Soil Herbaceous Vegetation
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accession code: VB.CC.37102.CEGL002270
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Midwestern Ecology Working Group... |
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This blue grama - buffalo grass shortgrass prairie is found in the northern Great Plains of the United States and possibly adjacent Canada. Stands occur on very dry slopes. In northwestern Nebraska and southwestern South Dakota, it is typically on clay pan depressions that range in size from a few square m to 1 hectare or more, but it can also occur on sandy ridgetops and hillslopes. The vegetation provides moderate to high vegetative cover, typically between 40-90%. <i>Bouteloua gracilis</i> is usually strongly dominant on sandier soils, while <i>Carex filifolia</i> is a strong dominant on clay and silty clay soils at the edge of bluffs and tables. In Badlands National Park, South Dakota, common associates on sandier soils include <i>Pascopyrum smithii, Hesperostipa comata (= Stipa comata), Buchloe dactyloides, Aristida purpurea, Bromus japonicus</i>, and a variety of forbs, including <i>Conyza canadensis</i>. Shrubs that are typically observed in this type include <i>Artemisia frigida, Opuntia polyacantha, Yucca glauca</i>, and <i>Gutierrezia sarothrae</i>. Species commonly associated with <i>Carex filifolia</i> on clay and silty clay soils include <i>Hesperostipa comata, Bouteloua gracilis, Bromus japonicus</i>, and <i>Ratibida columnifera</i>. Typical shrubs are the same as those listed on sandy soils. Forbs in Nebraska include <i>Lomatium foeniculaceum, Monolepis nuttalliana, Musineon divaricatum, Oonopsis multicaulis</i>, and <i>Plantago elongata</i>. Shrubs are sparse to absent, and include <i>Artemisia tridentata, Artemisia cana, Artemisia frigida</i>, and, more westward in Nebraska, <i>Ericameria nauseosa (= Chrysothamnus nauseosus)</i> and <i>Sarcobatus vermiculatus</i>. |
Comm #11693
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Pseudotsuga menziesii / Purshia tridentata Woodland
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accession code: VB.CC.26242.PSEUDOTSUGAMENZ
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Western Ecology Working Group of... |
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Comm #11694
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Bigelowia nuttallii - Krameria lanceolata - Aristida dichotoma - Sporobolus silveanus Herbaceous Vegetation
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accession code: VB.CC.36197.CEGL002276
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Southeastern Ecology Working Gro... |
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This terrestrial, forb-dominated community is endemic to southeastern and east-central Texas outcrops of the Catahoula Formation. The herbaceous flora of this community is diverse and displays considerable seasonal variation. Occurrences may appear almost devoid of vegetation during the dry summers, while the spring and autumn are periods of peak flowering. The best known and studied examples are found in Jasper County on Angelina National Forest. The community is dominated by prairie-like vegetation with <i>Bigelowia nuttallii, Schizachyrium scoparium, Aristida dichotoma, Aristida longispica, Croton michauxii, Sporobolus silveanus</i>, and <i>Tridens strictus</i> as primary components. Key diagnostic species of this community are typically rare elsewhere in eastern Texas, including <i>Schoenolirion wrightii, Evolvulus sericeus, Callirhoe</i> sp., <i>Gratiola flava, Saxifraga texana, Bigelowia nuttallii, Liatris mucronata, Krameria lanceolata</i> and others. Within the Pineywoods vegetation area this community occurs within a matrix of historically longleaf pine-dominated open woodlands. In Walker and Grimes counties (within the Post Oak Savanna vegetation area), this matrix vegetation is replaced by <i>Quercus stellata</i> woodland or savannas and may include a complex of exposed sandstone/mudstone flats and ledges, intermixed with dense, herbaceous patches, scattered, stunted trees and shrubs, and fruticose lichens. Much of the soil and rock is unvegetated. |
Comm #11695
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Polygonum pensylvanicum - Polygonum lapathifolium Herbaceous Vegetation
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accession code: VB.CC.35367.CEGL002277
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Southeastern Ecology Working Gro... |
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Vegetation of wet depressions, lakes, and ponds, attributed to Oklahoma and Texas. Stands are primarily dominated by <i>Polygonum pensylvanicum</i>, and may contain the exotic <i>Polygonum lapathifolium</i>. Associates in Oklahoma include <i>Ammannia coccinea, Helianthus annuus, Lemna minor, Stuckenia pectinata (= Potamogeton pectinatus), Spirodela polyrrhiza, Utricularia gibba (= Utricularia biflora)</i>, and <i>Xanthium strumarium</i>. |
Comm #11696
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Potamogeton spp. - Ceratophyllum spp. Midwest Herbaceous Vegetation
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accession code: VB.CC.36905.CEGL002282
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Midwestern Ecology Working Group... |
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This broadly defined submerged aquatic or open marsh type is found throughout the midwestern region of the United States and adjacent Canada. Based on information in the northern parts of the Midwest, several vegetation subgroups can be recognized that may be separate associations. Subgroup A is a shallow (<50 cm), sparsely vegetated, open water marsh found on sand, or organic and mineral material trapped in rocky bottoms. Stands are often exposed to wave action and found in oligotrophic lakes. Dominant plants often have basal rosettes that are resistant to wave action. Typical species include <i>Elatine minima, Eriocaulon aquaticum, Gratiola aurea, Isoetes tenella (= Isoetes echinospora), Isoetes lacustris (= Isoetes macrospora), Juncus pelocarpus</i>, and <i>Lobelia dortmanna</i>. Subgroup B is a shallow (<50 cm) open water marsh with emergent cover <25% and floating-leaved aquatics >25%. Substrate is a mineral soil (often sand), boulders, or a mixture of sedimentary peat and fine mineral soil. Stands can be exposed to waves or are in stream channels. Stands may often be dominated by a single species. Typical dominants include <i>Eleocharis acicularis, Myriophyllum</i> spp., <i>Potamogeton amplifolius, Potamogeton gramineus, Potamogeton praelongus, Potamogeton robbinsii, Sparganium fluctuans</i>, and <i>Utricularia macrorhiza (= Utricularia vulgaris)</i>. Subgroup C includes open water marsh with emergent cover <25% and floating leaved aquatics >25%. Substrate is sedimentary peat and stands are often found in sheltered bays of lakes and streams that do not have high wave energy. Stands may often be dominated by a single species. Typical dominants include <i>Ceratophyllum demersum, Elodea canadensis, Lemna</i> spp., <i>Myriophyllum sibiricum, Myriophyllum verticillatum, Potamogeton natans, Stuckenia pectinata (= Potamogeton pectinatus), Potamogeton richardsonii, Potamogeton zosteriformis, Ranunculus aquatilis, Utricularia macrorhiza (= Utricularia vulgaris)</i>, and <i>Vallisneria americana</i>. |
Comm #11697
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Asociación Citharexylum punctatum - Polylepis lanata
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accession code: urn:lsid:vegbank.org:commConcept:36793-{5CE460B1-8DF9-4B6F-B78E-C851C4855DF2}
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NatureServe Biotics 2019 |
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3100-3800 m. Supratropical pluviestacional húmedo. Combinación florística diferencial: <i>Berberis commutata, Berberis rariflora, Berberis paucidentata, Brachyotum microdon, Citharexylum punctatum, Escallonia myrtilloides, Hesperomeles cuneata, Hesperomeles lanuginosa, Mutisia mandoniana, Polylepis lanata, Ribes brachybotrys</i> y <i>Schinus microphyllus</i>. Mayores áreas potenciales y/o actuales conocidas: Cocha-bamba: Tiraque y Montepunku. |
Comm #11698
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Chert Ozark Dry Cliff Sparse Vegetation
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accession code: VB.CC.37065.CEGL002285
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Midwestern Ecology Working Group... |
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This dry chert cliff type is found in the Missouri Ozarks region of the United States. Stands occur on extremely steep to vertical rock exposures along bluffs or rock ledges in valleys. Aspect is variable, but best developed south and west. Soils are generally absent, except on ledges, where they are shallow, very rapidly drained and dry (they can be ephemerally wet). Parent material is chert or cherty conglomerate. Disturbances include drought stress and wind and storm damage. The vegetation contains few, if any, trees, and these are limby, gnarled, open-grown, and stunted. Herbaceous cover is less than 20%, consisting of spring ephemerals and grasses on ledges, and lichens on the open rock. Characteristic woody plants include <i>Quercus marilandica</i>. Herbaceous species include <i>Asplenium bradleyi, Cheilanthes lanosa, Coreopsis lanceolata, Danthonia spicata, Lechea tenuifolia, Opuntia humifusa (= Opuntia compressa)</i>, and <i>Polygonum tenue</i>. Lichens include <i>Pleopsidium chlorophanum (= Acarospora chlorophana), Cladonia caroliniana</i>, and <i>Xanthoparmelia</i> spp. |
Comm #11699
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Bigelowia nuttallii Herbaceous Alliance
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accession code: VB.CC.18999.BIGELOWIANUTTAL
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Southeastern Ecology Working Gro... |
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This alliance consists of Coastal Plain saline prairies and sandstone glades of central and northern Louisiana, eastern Texas, central Georgia, the Cumberland Plateau of Alabama, and Panhandle Florida, dominated by Bigelowia nuttallii, and a mixture of forbs and grasses, including many diminutive annuals. The community types in this alliance are generally distinguished by their herbaceous cover being associated with exposed sandstone boulders, flats, and ledges, intermixed with dense, herbaceous patches, scattered, stunted trees and shrubs, and fruticose lichens. Most examples occur within a matrix of open Pinus palustris woodlands (except for Cumberland Plateau Alabama examples). Much of the soil and rock is unvegetated. The alliance is dominated by prairie-like vegetation with Bigelowia nuttallii, Schizachyrium scoparium, Aristida longispica, Croton michauxii (= Crotonopsis linearis), and (in western examples) Sporobolus silveanus as primary components. The herbaceous flora is rich in endemic and disjunct species. In western types, other typical herbaceous species include Minuartia drummondii, Chaetopappa asteroides, Astragalus nuttallianus, Diodia teres, Fimbristylis puberula, Houstonia pusilla, Hypericum drummondii, Krigia occidentalis, Lechea san-sabeana, Linum medium, Marshallia caespitosa, Nothoscordum bivalve, Phacelia glabra, Polygala mariana, Rhynchospora globularis, Saxifraga texana, Isolepis carinata (= Scirpus koilolepis), and Stylosanthes biflora. Typical woody species that may be scattered in these communities include Quercus marilandica, Quercus stellata, Pinus palustris, Pinus echinata, Pinus taeda, Ilex vomitoria, and Morella cerifera (= Myrica cerifera). The herbaceous flora is diverse and varies considerably seasonally. Occurrences may appear almost devoid of vegetation during the dry summers, while the spring and autumn are periods of peak flowering. Soils are strongly acid, sandy loams and silty clay loams, with high aluminum content. These soils can be saturated during the cooler, wetter months, but are extremely dry and hard during summer droughts. |
Comm #11700
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CEGL000749
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accession code: VB.CC.3353.CEGL000749
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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