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Name
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Reference
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Plots↓
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Description |
Comm #1561
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Salix wolfii / Carex aquatilis Wet Shrubland » more details
accession code: urn:lsid:vegbank.org:commConcept:30143-{85F3E52B-E145-4E70-BB1C-1F4DDC32570E}
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NatureServe Biotics 2019 |
10
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This is a short-statured wetland shrubland, generally never exceeding 1.2 m (4 feet) in height. It occurs in Idaho, Montana, Utah, Wyoming, and Colorado, in very wet valley bottoms of low-gradient streams, and is found on stream benches, terraces, toeslopes and floodplains. <i>Salix wolfii</i> is the dominant shrub, forming a continuous to patchy short-shrub layer. Other short-statured shrubs often present are <i>Betula glandulosa, Dasiphora fruticosa ssp. floribunda</i>, and <i>Salix planifolia</i>. Taller shrubs may be scattered about but are never as abundant as <i>Salix wolfii</i>. Tall-shrub species include <i>Salix boothii, Salix geyeriana</i>, or <i>Salix monticola</i>. The herbaceous layer is dense, dominated by <i>Carex aquatilis</i>. Other graminoids are often part of this layer and include <i>Carex utriculata, Carex microptera</i>, other wet sedges, and <i>Deschampsia cespitosa</i>. Forbs can be sparse to very dense and include a variety of species such as <i>Caltha leptosepala, Ligusticum tenuifolium, Senecio integerrimus, Geum macrophyllum, Fragaria virginiana, Swertia perennis</i>, and <i>Pedicularis groenlandica</i>. |
Comm #1562
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Pascopyrum smithii Grassland » more details
accession code: urn:lsid:vegbank.org:commConcept:30486-{1D669970-0F8F-4620-9484-41E2CE3B4FC8}
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NatureServe Biotics 2019 |
10
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Comm #1563
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Taxodium distichum / Lemna minor Floodplain Forest » more details
accession code: urn:lsid:vegbank.org:commConcept:31328-{2CA23E2C-A229-4EF5-9D76-6E16D06F8211}
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NatureServe Biotics 2019 |
10
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This bald-cypress swamp is found in the Atlantic and Gulf coastal plains of the United States in a variety of ecological settings. Examples may occur in oxbow lakes and ponds, and along the banks of rivers and lakes in saturated or flooded soils. This type is characterized by a monospecific canopy of straight, tall individuals of <i>Taxodium distichum</i> above shallow to deep water (depths ranging from soil saturation to approximately 6 m) during all or most of the year. Flooding is seasonal, occurring during winter and spring. Stands have a sparse to moderate subcanopy and depauperate shrub and herb layers. The trunks of the canopy trees typically form swelled buttresses. Canopy cover is variable, from at or near 100% to less than 60% in some examples. More open examples of this type tend to occur in deeper water. In the deepest water situations scattered trees grow over an open water surface covered by floating and submersed aquatic plants. <i>Taxodium distichum</i> regeneration is absent in areas of permanent inundation, as seed germination does not occur in standing water. The subcanopy and herbaceous layers are dependent upon timing, duration, and depth of flooding. <i>Cephalanthus occidentalis</i> and <i>Rosa palustris</i> may be common shrubs in some examples of this community, while <i>Fraxinus caroliniana</i> (in its range) and <i>Acer rubrum var. drummondii</i> are common in the subcanopy. Shallow water emergents, floating-leaved aquatics, such as <i>Azolla caroliniana, Brasenia schreberi, Cabomba caroliniana, Hydrocotyle ranunculoides, Limnobium spongia, Landoltia punctata, Wolffia columbiana, Lemna</i> spp. <i>Nymphaea</i> spp., and submerged hydrophytes, such as <i>Ceratophyllum demersum, Egeria densa, Myriophyllum aquaticum</i>, and <i>Potamogeton nodosus</i>, are common in permanent water zones throughout the range of <i>Taxodium distichum</i> swamps. This community is differentiated from other swamp forests by lacking <i>Nyssa</i> spp. as other than occasional individuals. This is the only community type currently defined outside Florida with <i>Taxodium distichum</i> as the sole dominant. |
Comm #1564
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Populus angustifolia / Crataegus rivularis Riparian Woodland » more details
accession code: urn:lsid:vegbank.org:commConcept:31552-{178DB1EE-7A3B-4E8C-8433-B3E58F1EEA41}
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NatureServe Biotics 2019 |
10
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This riparian woodland association is found on the lower slopes (2400-2500 m elevation) of the San Juan Mountains and along wide, sinuous tributaries of the San Miguel and Yampa rivers in western Colorado. Stands occur away from the main channel along dry back channels or ephemeral streams in sandy clay soils. This open to moderately dense deciduous woodland is characterized by mature <i>Populus angustifolia</i> trees (10-57% cover) in the overstory and dense stands of <i>Crataegus rivularis</i> (10-70% cover) in the understory. Tree canopy often includes other species, such as <i>Pinus ponderosa, Quercus gambelii</i>, and <i>Pseudotsuga menziesii</i>. The shrub canopy is usually diverse, with no single species codominant in all stands. Common shrubs include <i>Rosa woodsii, Cornus sericea, Symphoricarpos rotundifolius</i>, and several <i>Salix</i> species, including <i>Salix bebbiana, Salix ligulifolia</i>, and <i>Salix monticola</i>. Forb and graminoid cover is minimal due to dry soil conditions. |
Comm #1565
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Salix monticola / Carex aquatilis Wet Shrubland » more details
accession code: urn:lsid:vegbank.org:commConcept:31564-{91EAE55B-7064-404F-8D10-70CDF3A444F7}
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NatureServe Biotics 2019 |
10
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This plant association is a tall (1.5-2.5 m [5-8 feet]), deciduous shrubland with a fairly open willow canopy and a thick carpet of grasses and sedges. It occurs in the southern Rocky Mountains on coarse-textured streambanks and floodplains of narrow, sinuous streams in narrow valleys, often forming a continuous canopy across the entire valley floor at elevations of 2100-2980 m (7000-9760 feet). <i>Salix monticola</i>, with 27-88% cover, has the highest abundance, though other willow species may have a higher combined canopy cover. Other shrubs (with percent cover) include <i>Salix bebbiana</i> (7-17%), <i>Salix drummondiana</i> (1-40%), <i>Cornus sericea</i> (70%), and <i>Lonicera involucrata</i>. The undergrowth is dominated by patches of <i>Carex aquatilis</i> (10-50%), though <i>Carex utriculata</i> and <i>Calamagrostis canadensis</i> are often present. Dominance of <i>Carex aquatilis</i> (numerically or in constancy) distinguishes this plant association from ~<i>Salix monticola / Carex utriculata</i> Wet Shrubland (CEGL002657)$$ and ~<i>Salix monticola / Calamagrostis canadensis</i> Wet Shrubland (CEGL001222)$$. |
Comm #1566
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Quercus turbinella - (Amelanchier utahensis) Colluvial Shrubland » more details
accession code: urn:lsid:vegbank.org:commConcept:31852-{9527E873-2B8B-435C-8CA4-52B18FD298AF}
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NatureServe Biotics 2019 |
10
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This association has only been described from Zion National Park, Utah. Additional global information will be added as it becomes available. This association commonly occupies the steep colluvial slopes below towering sandstone walls in the park. <i>Quercus turbinella</i> is typically dominant with 10-70% cover. <i>Quercus turbinella</i> was absent in one plot sampled, but other characteristics were similar to this association's description. The mixture of other shrubs represented in the sampled sites includes <i>Amelanchier utahensis, Arctostaphylos pungens, Arctostaphylos patula, Shepherdia rotundifolia, Fraxinus anomala, Rhus trilobata</i>, and <i>Quercus gambelii</i>, which may be present to abundant. Common subshrubs include <i>Opuntia</i> spp., <i>Yucca</i> spp., and <i>Gutierrezia sarothrae</i>. Pinyon and juniper trees may be present, but have insignificant cover. Common herbaceous species are inconsistent in composition and have minimal cover. Elevation for this association ranges between 1370 and 1980 m (4500-6500 feet) on moderate to steep colluvial slopes with sandy-textured soils. |
Comm #1567
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Morella cerifera / Hydrocotyle verticillata Wet Shrubland » more details
accession code: urn:lsid:vegbank.org:commConcept:32700-{A33621F1-03F1-425E-A2AD-F59EF5D300D8}
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NatureServe Biotics 2019 |
10
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This tall wet shrubland of sheltered maritime backdunes is restricted to the mid-Atlantic states. Although the hydrologic regime of this shrubland is somewhat variable, it is influenced by a shallow water table and surface water may be present in pools. A shallow to moderately deep layer of muck usually characterizes the soil profile. This community can form dense wet thickets, particularly in more protected areas. The vegetation is strongly dominated by tall, treelike shrub growth of <i>Morella cerifera</i>, with associates including <i>Baccharis halimifolia, Rosa palustris</i>, and <i>Acer rubrum</i> saplings occurring at very low cover. Shrubs may reach heights of 6 m and appear tree-like in their growth form. Herbaceous vegetation can be quite lush and diverse. Common herbs include <i>Hydrocotyle verticillata, Hydrocotyle umbellata, Chasmanthium laxum, Woodwardia areolata, Osmunda regalis var. spectabilis, Carex longii, Leersia virginica, Polygonum pensylvanicum, Boehmeria cylindrica, Calystegia sepium, Ludwigia palustris, Juncus canadensis, Ptilimnium capillaceum, Lycopus americanus, Galium obtusum, Samolus valerandi ssp. parviflorus, Pluchea odorata, Mikania scandens, Vitis rotundifolia</i>, and <i>Polygonum pensylvanicum</i>. <i>Toxicodendron radicans</i> can be very common and constitutes a large portion of the understory cover. This community can be prone to invasion by <i>Phragmites australis</i>. |
Comm #1568
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Saxifraga michauxii - Carex misera - Calamagrostis cainii Grassland » more details
accession code: urn:lsid:vegbank.org:commConcept:33111-{C6779497-C6A1-46C5-A476-DD7A0BB815AC}
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NatureServe Biotics 2019 |
10
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This community is known from the Great Smoky Mountains of Tennessee and North Carolina, where it occurs on high-elevation landslide scars, cliffs, rock outcrops, and summits. Slopes can be extremely steep (landslide scars and cliffs) or relatively flat (summits and ledges). This community occurs mostly above 1830 m (6000 feet) elevation but can occur as low as 1375 m (4500 feet). It is most often associated with exposed outcrops of Anakeesta slate and has very sparse to moderate vegetative cover, made up of grasses, forbs and shrubs rooted in rock fissures. These extreme habitats may have up to 80% exposed bedrock and talus, and often have seepage inclusions. Occurrences can range in size from 25 square meters to 2.5 ha (one acre). Composition and vegetative coverage vary from site to site, but common dominants include the herbs <i>Calamagrostis cainii, Carex debilis, Carex misera</i>, and <i>Saxifraga michauxii</i>, and the shrubs <i>Diervilla sessilifolia, Rhododendron carolinianum</i>, and <i>Rubus canadensis</i>. Other typical species include <i>Ageratina altissima var. roanensis, Oclemena acuminata, Athyrium filix-femina, Danthonia compressa, Dennstaedtia punctilobula, Gentiana linearis, Rugelia nudicaulis, Saxifraga michauxii</i>, and <i>Solidago glomerata</i>. Other woody species found in this community include <i>Abies fraseri, Betula alleghaniensis, Picea rubens, Leiophyllum buxifolium, Menziesia pilosa, Prunus pensylvanica, Rhododendron catawbiense, Sorbus americana</i>, and <i>Vaccinium erythrocarpum</i>. This community occurs in a matrix of <i>Picea rubens - Abies fraseri</i> forest. |
Comm #1569
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Panicum hemitomon - Juncus spp. Coastal Plain Lakeshore Marsh » more details
accession code: urn:lsid:vegbank.org:commConcept:33140-{B52A69F0-9ACE-42B9-B76C-D68C18606EAE}
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NatureServe Biotics 2019 |
10
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This association occurs on the shorelines of Coastal Plain lakes of northeastern North Carolina, as emergent or drawdown vegetation. The moderate to dense herbaceous vegetation is fairly diverse. <i>Panicum hemitomon</i> and a variety of other herbaceous species are abundant; <i>Juncus militaris, Juncus effusus, Schoenoplectus americanus, Xyris smalliana</i>, and <i>Eriocaulon aquaticum</i> may be abundant or dominant. <i>Decodon verticillatus</i>, emergent shrubs, or sparse <i>Taxodium ascendens</i> may also be present. |
Comm #1570
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Prunus ilicifolia - Ceanothus cuneatus Shrubland » more details
accession code: urn:lsid:vegbank.org:commConcept:34072-{8B7AC6B1-36FA-4C74-A2F6-749BF116F5C3}
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NatureServe Biotics 2019 |
10
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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. |