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Name
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Reference
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Plots↓
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Description |
Comm #12871
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Rhexia virginica - Panicum verrucosum Herbaceous Vegetation
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accession code: VB.CC.23620.RHEXIAVIRGINICA
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Eastern Ecology Working Group of... |
0
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This coastal plain pondshore community commonly occurs in coastal Massachusetts discontinuously south to Delaware. It occurs on the broad margins of shallow groundwater basins, but is also occurs on the protected shoreline inlets of deeper ponds in New York. The substrate is variable, ranging from loamy sand, sandy loam, or sand with an organic layer from 0 to greater than 20 cm in depth. Characteristic species include Rhexia virginica, Cyperus dentatus, Juncus canadensis, Viola lanceolata, Juncus pelocarpus, Gratiola aurea, Rhynchospora capitellata, Euthamia caroliniana (= Euthamia tenuifolia), Drosera intermedia, Hypericum mutilum, Coreopsis rosea, Scleria reticularis, Panicum verrucosum, Xyris torta, Lachnanthes caroliana, Rhynchospora scirpoides, Fuirena squarrosa, and Rhynchospora macrostachya. |
Comm #12872
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CEGL002610
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accession code: VB.CC.5018.CEGL002610
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12873
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Picea engelmannii Forest Alliance
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accession code: VB.CC.20253.PICEAENGELMANNI
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Western Ecology Working Group of... |
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This forest alliance occurs in the upper montane or subalpine zone from the Oregon Cascades and Rocky Mountains, south into Arizona and New Mexico. Overall, this alliance is found in similar elevational ranges as Abies lasiocarpa, but occurs on sites either too cold or too dry for Abies lasiocarpa dominance. Sites include gentle to very steep mountain slopes, ridgetops, plateaus, basins, alluvial terraces and benches. All aspects are represented, but northerly and easterly aspects predominate, and southerly aspects are found only at higher elevations. Soils are variable, but often gravelly or rocky, relatively shallow with thick duff layers and sometimes high moss or lichen cover. Forests included in this alliance are dominated by Picea engelmannii. In early to mid-successional stands, other conifers can be dominant or codominant, but Picea engelmannii (or Picea engelmannii X glauca hybrids in western Montana) are the most abundant seedlings and saplings. Associates vary geographically. Common associated conifers can include Pseudotsuga menziesii, Larix occidentalis, Pinus contorta, Abies lasiocarpa, Pinus albicaulis, and Pinus flexilis. Pinus aristata, Pinus strobiformis, Picea pungens, and Abies concolor are common in southern stands. The shrub layer is often absent, but when present is often dominated by species of Vaccinium. Other common shrub species may include Acer glabrum, Cornus canadensis, Holodiscus dumosus, Juniperus communis, Linnaea borealis, Lonicera utahensis, Physocarpus malvaceus, Ribes spp., Shepherdia canadensis, Spiraea betulifolia, or Symphoricarpos albus. The herbaceous layer is often dominated by perennial forbs. Graminoids are generally sparse. Diagnostic characteristics of these forests are that the average tree canopy is greater than 60% cover with Picea engelmannii often codominant in the tree canopy as well as being the predominant conifer in the tree-regeneration layer alliance. |
Comm #12874
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CEGL000260
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accession code: VB.CC.2886.CEGL000260
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12875
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CEGL001125
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accession code: VB.CC.3724.CEGL001125
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12876
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CEGL002197
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accession code: VB.CC.4718.CEGL002197
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12877
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Andropogon gerardii - (Sorghastrum nutans) Kentucky Herbaceous Vegetation
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accession code: VB.CC.21746.ANDROPOGONGERAR
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Southeastern Ecology Working Gro... |
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This tallgrass prairie type is found in Kentucky, adjacent Tennessee, and possibly in the Central Appalachians. Sites are often on depressions or slopes below ridges, with more mesic conditions and reduced disturbances. The vegetation is dominated by tallgrass species. The grasses Saccharum alopecuroidum (= Erianthus alopecuroides) and Andropogon gerardii are often abundant, along with Sorghastrum nutans and Schizachyrium scoparium. Piptochaetium avenaceum is locally abundant in more brushy or shady areas. Other common grasses include Andropogon glomeratus, Andropogon gyrans, Andropogon virginicus, Danthonia spicata (in brushy areas), Elymus virginicus var. virginicus (= Elymus glabriflorus var. australis), Dichanthelium commutatum (= Panicum commutatum), Dichanthelium laxiflorum (= Panicum laxiflorum), Dichanthelium dichotomum var. dichotomum (= Panicum microcarpon), Dichanthelium ravenelii (= Panicum ravenelii), and Tridens flavus. Among the most abundant herbs are Symphyotrichum dumosum (= Aster dumosus), Desmodium glabellum, Helianthus microcephalus, Lespedeza hirta, and Lespedeza violacea (= Lespedeza intermedia). |
Comm #12878
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Prunus ilicifolia - Ceanothus cuneatus Shrubland
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accession code: VB.CC.31841.CEGL005309
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Western Ecology Working Group of... |
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This association is known only from central and southern California coastal mountains and currently only documented from Pinnacles National Monument. This tall shrubland occupies north-facing, dry slopes of the central and southern Coast Ranges of California. Stands occur between 415 and 770 m (1361-2526 feet) in elevation, on the upper third or ridgetops of moderate to steep slopes (13-32°). Stands are codominated by <i>Prunus ilicifolia</i> and <i>Ceanothus cuneatus</i>, which are often present and in similar abundance (range 1-35%, average 16%). Other shrubs and vines may be present such as <i>Rhamnus ilicifolia</i> and <i>Clematis lasiantha</i>. The herbaceous understory is rich and may include over 50 species. |
Comm #12879
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Platanus wrightii / Sparse Riparian Forest
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accession code: urn:lsid:vegbank.org:commConcept:34612-{22C1321F-0238-42FE-9A43-33ABB9F627A2}
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NatureServe Biotics 2019 |
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This association is found in the Lower Gila River watershed (Mogollon Creek) and Animas Creek of the Black Range (eastern slope in the Rio Grande basin) of southwestern New Mexico and probably in southeastern Arizona. This type is known from dry creek and terrace beds at around 1740 m (4700 feet) elevation. Soils have been described as relatively dry, well-drained, weakly developed Entisols and Inceptisols (fine-loamy Oxyaquic Torrifluvents and coarse-loamy/sandy-skeletal Fluventic Ustochrepts). The dense overstory is dominated by <i>Platanus wrightii</i> with <i>Celtis laevigata var. reticulata</i> a sometimes well-represented subcanopy associate. It is characterized by the lack of significant shrub and herbaceous cover. Only <i>Prosopis glandulosa</i> is common. Overall diversity is low (22 species) and variable. Litter, woody debris, and sand dominate the shaded forest floor. |
Comm #12880
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Alnus rubra / Polystichum munitum Forest
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accession code: VB.CC.17976.ALNUSRUBRAPOLYS
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Western Ecology Working Group of... |
0
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