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Reference
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Description |
Comm #12281
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Pinus elliottii var. densa / Serenoa repens - Tetrazygia bicolor - Guettarda scabra Woodland
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accession code: VB.CC.35722.CEGL003538
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Southeastern Ecology Working Gro... |
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This community has an open canopy of <i>Pinus elliottii var. densa</i> occurring over a low-shrub layer and a dense herbaceous stratum characterized by a mix of tropical and temperate taxa with a high percentage of endemic species. Vegetation is typically interspersed with large areas of exposed limestone. A hardwood understory will develop under fire suppression with <i>Quercus virginiana</i> and <i>Lysiloma latisiliquum</i> typically present. Shrub layers are quite diverse and vary locally, with tropical species less abundant in the northern part of this community's range. Shrub strata species may include <i>Acacia farnesiana, Ardisia escallonoides, Sideroxylon reclinatum ssp. reclinatum, Callicarpa americana, Chrysobalanus icaco, Dodonaea viscosa, Ficus aurea, Ficus citrifolia, Guapira discolor, Guettarda scabra, Ilex glabra, Lyonia fruticosa, Metopium toxiferum, Morella cerifera (= Myrica cerifera), Myrsine floridana, Persea borbonia, Quercus minima, Quercus pumila, Quercus virginiana, Randia aculeata, Rhus copallinum var. leucantha, Sabal etonia (= Sabal miamiensis), Sabal palmetto, Serenoa repens, Sideroxylon salicifolium, Tetrazygia bicolor, Vaccinium myrsinites</i>, and <i>Zamia pumila</i>. Herbaceous species associated with this community include <i>Acalypha chamaedryfolia, Aeschynomene viscidula, Andropogon ternarius, Anemia adiantifolia, Angadenia berteroi, Aristida patula, Asclepias verticillata, Bulbostylis</i> sp., <i>Chamaecrista deeringiana, Crossopetalum ilicifolium, Crotalaria pumila, Euphorbia polyphylla, Jacquemontia curtissii, Liatris chapmanii, Melanthera parvifolia, Opuntia humifusa var. humifusa, Polygala smallii, Schizachyrium</i> spp., and <i>Tragia urens</i>. This community occurs on elevated (2-4 m) outcroppings of mid-Pleistocene marine limestone of the Miami Rock Ridge formation. Soils are shallow, circumneutral sands and sandy loams that accumulate in depressions and cracks in the rock surface. These soils are commonly saturated or the rock surface is very shallowly flooded for extended periods in the rainy season (May-October). |
Comm #12282
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CEGL004455
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accession code: VB.CC.6011.CEGL004455
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Comm #12283
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Pinus elliottii var. densa / Sideroxylon salicifolium - Chrysobalanus icaco - Ilex cassine Woodland
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accession code: VB.CC.21344.PINUSELLIOTTIIV
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Southeastern Ecology Working Gro... |
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Comm #12284
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Carex lasiocarpa - Calamagrostis spp. - (Eleocharis rostellata) Herbaceous Vegetation
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accession code: VB.CC.35972.CEGL002383
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Midwestern Ecology Working Group... |
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This rich graminoid fen community type is found in the midwestern prairie and prairie-forest border region of the United States. Stands are found on wet, saturated soils (but not seepage) with groundwater influence, or on lake margins and/or grounded or floating mats. Peat depths may be less than 0.5 m, and stands may be on shallow, highly decomposed sedge peat, or rarely on wet, mineral soil. <i>Sphagnum</i> spp. are typically absent. The graminoid layer is often dominated by <i>Carex lasiocarpa</i>, with associates of <i>Carex aquatilis, Carex buxbaumii, Carex interior, Carex livida, Carex pellita, Carex sartwellii, Carex stricta, Decodon verticillatus, Dulichium arundinaceum, Eleocharis elliptica, Eleocharis palustris (= Eleocharis smallii), Eriophorum angustifolium, Glyceria grandis, Schoenoplectus acutus (= Scirpus acutus)</i>, and <i>Schoenoplectus subterminalis (= Scirpus subterminalis)</i>. <i>Eleocharis rostellata</i> and <i>Cladium mariscoides</i> occur less frequently. Grasses include <i>Calamagrostis canadensis</i> and <i>Calamagrostis stricta</i>. Prairie and other herbs are present, such as <i>Cardamine pratensis, Comarum palustre (= Potentilla palustris), Euthamia graminifolia, Galium labradoricum, Impatiens capensis, Lobelia kalmii, Lycopus uniflorus, Lysimachia thyrsiflora, Menyanthes trifoliata, Pedicularis lanceolata</i>, and <i>Triadenum fraseri</i>. Brown mosses may include <i>Leptodictyum riparium (= Amblystegium riparium), Calliergonella cuspidata, Campylium polygamum, Campylium stellatum</i>, and <i>Fissidens adianthoides</i>. Shrub cover is variable, but rarely exceeds 25%. <i>Betula pumila, Dasiphora fruticosa ssp. floribunda (= Pentaphylloides floribunda), Salix candida, Salix pedicellaris</i>, and <i>Spiraea tomentosa</i> may be present. |
Comm #12285
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Pinus ponderosa / Sparse Understory Woodland
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accession code: VB.CC.32001.CEGL002384
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Western Ecology Working Group of... |
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This open woodland association has been described from Capitol Reef and Bryce Canyon national parks. It occurs on the bottoms and sides of intermittent stream drainages, in depressions between small hills and in valleys. Sites are gentle to moderately steep (2- to 27-degree slopes), occur between 2111 and 2592 m in elevation, and are oriented to all aspects. The unvegetated ground surface has low to high cover of litter and duff, low to high cover of small rocks, sparse to low amounts of bare soil, and sparse to moderate cover of downed wood. Litter and duff depths range from 0.2-2.8 cm in one stand. Soils are moderately well-drained and are derived from Navajo sandstone, the Kaiparowitz, Claron and Straight Cliff formations, and are often re-deposited as alluvium. Total vegetation cover ranges up to 65% and is characterized by an open canopy, typically 15-20 m tall, of <i>Pinus ponderosa</i> trees that range in cover from 4-60%. A subcanopy layer of 2- to 5-m tall <i>Pinus edulis, Juniperus osteosperma, Juniperus scopulorum</i>, and <i>Pseudotsuga menziesii</i> trees provides sparse cover. Shrubs that may be present include <i>Artemisia frigida, Arctostaphylos patula, Chrysothamnus viscidiflorus, Purshia tridentata, Tetradymia canescens, Artemisia nova, Symphoricarpos oreophilus</i>, and <i>Gutierrezia sarothrae</i>. The herbaceous layer is floristically diverse and provides sparse cover. Common graminoids include <i>Poa fendleriana, Carex rossii, Leymus salinus (= Elymus salinus)</i>, and <i>Muhlenbergia montana</i>. Forbs commonly present are <i>Stephanomeria minor (= Stephanomeria tenuifolia, Erysimum capitatum (= Erysimum asperum)</i>, and <i>Lithospermum multiflorum</i>. Tree saplings may provide sparse cover stand and include <i>Pinus ponderosa</i> and <i>Juniperus scopulorum</i>. |
Comm #12286
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CEGL003420
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accession code: VB.CC.5470.CEGL003420
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
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Comm #12287
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Nuphar advena - Nymphaea odorata Herbaceous Vegetation
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accession code: VB.CC.36658.CEGL002386
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Midwestern Ecology Working Group... |
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This rooted aquatic or open marsh community occupies shallow-water depressions, oxbow ponds, backwater sloughs of river floodplains, slow-moving streams, ponds, and small lakes throughout the central and eastern United States. It is dominated by rooted, floating-leaved aquatic species, with both submergent and emergent aquatics also present. <i>Nuphar advena (= Nuphar lutea ssp. advena)</i> and <i>Nymphaea odorata</i> are dominants, either in combination together, or each singly. Other species present include <i>Brasenia schreberi</i>, various <i>Potamogeton</i> and <i>Stuckenia</i> spp., <i>Eleocharis robbinsii</i> and other <i>Eleocharis</i> spp., <i>Polygonum amphibium, Polygonum amphibium var. emersum (= Polygonum coccineum), Sparganium americanum, Lemna</i> spp., <i>Spirodela polyrrhiza, Typha latifolia</i>, and <i>Saururus cernuus</i>. Submerged aquatics more common in the southern part of the range include <i>Cabomba caroliniana, Ceratophyllum demersum</i>, and <i>Heteranthera dubia</i>. |
Comm #12288
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Pinus echinata / Vaccinium (arboreum, pallidum, stamineum) Forest
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accession code: VB.CC.36822.CEGL002400
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Midwestern Ecology Working Group... |
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This shortleaf pine / blueberry forest type is found in the Interior Highlands region of the United States, including the Ouachita Mountains and Ozarks of Arkansas, Oklahoma, and Missouri. Stands occur on dry, thin-soil slopes. Soils may be somewhat acidic, often overlaying a variety of acidic bedrock substrates, including chert, igneous or sandstone material. This is a mid-successional to mature forest with the canopy dominated by <i>Pinus echinata</i>. A subcanopy of oaks, such as <i>Quercus alba, Quercus stellata</i>, and <i>Quercus falcata</i>, may be present and may succeed into the canopy in the prolonged absence of fire. <i>Cornus florida</i> is also typically present. Shrub and herbaceous strata may be sparse to dense, with any of <i>Vaccinium arboreum, Vaccinium pallidum, Vaccinium stamineum</i>, or <i>Aesculus glabra</i> present. Dry forest herbs are typical. In northern Arkansas (Springfield Plateau), these forests occur naturally on steep slopes, over cherty residuum of the Boone Formation. They also occur on sandstone shelf bluffs in the Ozarks. |
Comm #12289
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CEGL004290
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accession code: VB.CC.5919.CEGL004290
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12290
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Juncus balticus - (Juncus mexicanus) Herbaceous Vegetation
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accession code: VB.CC.22822.JUNCUSBALTICUSJ
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Western Ecology Working Group of... |
0
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