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Name
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Reference
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Plots↓
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Description |
Comm #5371
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Ericameria parryi Shrubland
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accession code: VB.CC.33736.CEGL003040
NOT CURRENTLY ACCEPTED
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Western Ecology Working Group of... |
0
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This is a shrubland of the Great Basin and portions of the northern Coast Ranges dominated by Parry's rabbitbrush. Other shrubs and some emergent trees may be present. It occurs from 610 to 3355 m (2000-11,000 feet) elevation. This shrubland is dominated by <i>Ericameria parryi (= Chrysothamnus parryi)</i>. <i>Purshia tridentata, Artemisia tridentata, Ephedra</i> spp., and/or <i>Chrysothamnus viscidiflorus</i> may be present. Scattered emergent <i>Juniperus</i> spp. or <i>Pinus</i> spp. may be present, or emergent shrubs may occur over a ground layer of grass. Shrubs are <1 m; the canopy is continuous, intermittent or open. The ground layer is sparse or grassy. If the stand is dominated by trees, they are referred to a tree-dominated association. |
Comm #5372
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Stuckenia pectinata - Zannichellia palustris Herbaceous Vegetation
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accession code: VB.CC.21072.STUCKENIAPECTIN
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Western Ecology Working Group of... |
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This pondweed wetland community is found in the glacial ponds of the Northern Great Plains of the United States and Canada. Stands occur in permanently flooded basins that are 15-100 cm deep, and moderately brackish to brackish. Vegetation is dominated by aquatic macrophytes. In Montana, Zannichellia palustris is dominant in all stands; Stuckenia pectinata (= Potamogeton pectinatus) is present in some stands. The macroalgae Chara sp. may also be present. In North Dakota, Zannichellia palustris, Stuckenia pectinata and Chara share dominance; Ranunculus aquatilis and Myriophyllum sibiricum (= Myriophyllum exalbescens) are secondary species. |
Comm #5373
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CEGL002618
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accession code: VB.CC.5026.CEGL002618
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Comm #5374
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Pleuraphis rigida Herbaceous Vegetation
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accession code: VB.CC.31650.CEGL003051
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Western Ecology Working Group of... |
0
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This grassland association is currently described from Grand Canyon National Park and Grand Canyon-Parashant National Monument in Arizona. More survey and classification work are needed to fully characterize this type. It predominantly occurs on sideslopes, but also sometimes occurs in drainage channels and on valley bottoms, mesas, and plateaus from approximately 1050 to 1600 m (3420-5250 feet) elevation, but has been found as low as 470 m (1540 feet). It is typically found on flat to gently sloping gradients (0-5°), but also occurs on moderately steep slopes (15-30°) as well. Soils are well- to rapidly-drained sandy clays or loams that occasionally contain silt. The underlying geology is usually limestone. Tree and tall shrubs are essentially absent from this graminoid-dominated community type. A relatively sparse short-shrub layer occurs, in which <i>Coleogyne ramosissima</i> and <i>Ephedra fasciculata</i> occur most frequently. <i>Opuntia polyacantha</i> and <i>Gutierrezia</i> spp. are commonly seen in a sparse dwarf-shrub stratum. A well-developed graminoid layer dominated by <i>Pleuraphis rigida</i> characterizes this association. The invasive grass <i>Bromus rubens</i> also occurs on a regular basis, while the native perennials <i>Bouteloua eriopoda</i> and <i>Aristida purpurea</i> occur sporadically. Species such as <i>Sphaeralcea grossulariifolia</i> and <i>Erodium cicutarium</i> are common in the forb understory. |
Comm #5375
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Quercus stellata - Pinus taeda Depression Seasonally Flooded Forest Alliance
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accession code: VB.CC.18511.QUERCUSSTELLATA
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Southeastern Ecology Working Gro... |
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This alliance is found in the West and Upper West Gulf Coastal Plain ecoregions of eastern Texas and possibly adjacent areas of western Louisiana and Arkansas. Stands in this alliance occur in slight topographic depressions or shallow ponds on Pleistocene high terraces. These forests are considered to be seasonally flooded since during average years they hold water for a portion of the growing season, albeit for very short duration. These areas may be best thought of as "flatwoods" as the source of the water in the depressions results from precipitation. These areas are dominated by Quercus stellata and Pinus taeda with average canopy cover of 80% or greater. No other tree species are present in the canopy of documented examples. The understory is very open to sparse and contains Chasmanthium sessiliflorum and Chasmanthium laxum and relatively few additional species. |
Comm #5376
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CEGL001917
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accession code: VB.CC.4471.CEGL001917
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5377
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Hippomane mancinella - Coccoloba uvifera Woodland
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accession code: urn:lsid:vegbank.org:commConcept:36464-{21A77FCD-7A5C-4748-9F43-850B2A1900EF}
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NatureServe Biotics 2019 |
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This type occurs in coastal areas, with trees often stunted from wind. Other species may include <i>Thespesia populnea, Hippomane mancinella, Conocarpa erectus, Cocos nucifera</i> (alien), <i>Coccoloba uvifera, Terminalia catappa</i> (alien), and Cordia sebestena. DISTRIBUTION: Antigua and Barbuda. |
Comm #5378
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Lantana camara Caribbean Ruderal Shrubland
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accession code: urn:lsid:vegbank.org:commConcept:36465-{90EF2A44-9865-43DE-87A5-A1E6794E9BE8}
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NatureServe Biotics 2019 |
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This shrubland, dominated by <i>Lantana camara</i>, is a disturbance type, following fire. |
Comm #5379
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CEGL007980
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accession code: VB.CC.7527.CEGL007980
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #5380
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Festuca idahoensis Herbaceous Alliance
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accession code: VB.CC.18431.FESTUCAIDAHOENS
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Western Ecology Working Group of... |
0
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These grasslands are characteristic of the Palouse Prairie on the Columbia Plateau but extend east into the Rocky Mountains and south into the Great Basin. Stands are found on undulating prairie, valley bottoms, canyon benches, and expansive park meadow openings in montane and subalpine forests, on ridges above subalpine forests in the Rocky Mountains, on coastal terraces and inland bald hills, and glacial outwash plains. Stands also occur in coastal and inland prairies on the western side of the Cascade Range. Soils are moderately to well-drained, loams or silt loams or silty clays, that are generally deep, and derived from alluvium, colluvium, or loess. Vegetation included in this alliance is characterized by the dominance or codominance of Festuca idahoensis. Other important species may include Sericocarpus rigidus (= Aster curtus), Carex filifolia, Carex inops ssp. heliophila, Carex obtusata, Danthonia intermedia, Elymus caninus, Elymus trachycaulus, Eriogonum caespitosum, Eriogonum heracleoides, Festuca thurberi, Geranium caespitosum, Koeleria macrantha, Pascopyrum smithii, Poa secunda, Pseudoroegneria spicata, or Achnatherum richardsonii (= Stipa richardsonii). Scattered shrubs and dwarf-shrubs, such as species of Symphoricarpos and Rosa, are present in some stands. Diagnostic of this widespread grassland alliance is the dominance or codominance of Festuca idahoensis. |
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