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Name
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Reference
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Description |
Comm #1851
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Umbilicaria muhlenbergii - Lasallia papulosa - (Melanelia stygia) Nonvascular Vegetation
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accession code: urn:lsid:vegbank.org:commConcept:33180-{F21A3450-0726-40C3-B97B-9164344A13CF}
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NatureServe Biotics 2019 |
8
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This association occurs on talus and exposed outcrops of quartzite and sandstone at 1050-1450 m (3500-4800 feet) elevation in the Central Appalachians. It is dominated by <i>Umbilicaria muhlenbergii, Lasallia papulosa</i>, and sometimes <i>Melanelia stygia</i>. The highly acidic, siliciclastic rocks support numerous crustose lichens. Crevices with slight soil development have <i>Cladonia rangiferina</i>, and very scattered vascular plants, such as <i>Vaccinium angustifolium, Menziesia pilosa, Kalmia latifolia, Dicentra eximia</i>, and <i>Sorbus americana</i>, may be established. Timber rattlesnakes (<i>Crotalus horridus horridus</i>) are very common, as are wood rats (<i>Neotoma magister</i>). |
Comm #1852
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Abies lasiocarpa - (Callitropsis nootkatensis) / Vaccinium scoparium / Valeriana sitchensis Woodland [Proposed]
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:33-{61900764-822E-4146-B45D-D37F35C327C8}
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Ramm-Granberg 2020 |
8
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NVC Code CEGL008264 |
Comm #1853
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Juncus parryi - (Polygonum bistortoides) Alpine Meadow [Proposed]
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:26-{DDBBD2E2-FE38-4E03-A3EE-F888B6CCA825}
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Ramm-Granberg 2020 |
8
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NVC Code CEGL008257 |
Comm #1854
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Racomitrium canescens - (Penstemon davidsonii) Nonvascular Rock Vegetation [Proposed]
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:13-{A9982FB3-742C-4257-BF81-5D1E769AA34B}
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Ramm-Granberg 2020 |
8
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NVC Code CEGL008244 |
Comm #1855
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Abies lasiocarpa - Pseudotsuga menziesii / Mahonia nervosa Forest [Proposed]
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accession code: urn:lsid:ecoobs.vegbank.org:commConcept:6-{A84A3BCF-9E22-41A7-B155-A31FAF82F710}
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Ramm-Granberg 2020 |
8
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NVC Code CEGL008237 |
Comm #1856
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Riverine Sand Flats - Bars Sparse Vegetation
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accession code: urn:lsid:vegbank.org:commConcept:30958-{8AD30A49-9678-417F-8105-5B300A506C66}
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NatureServe Biotics 2019 |
7
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This community ranges from the western Great Plains to the eastern parts of the midwestern United States and Canada. It is a sparsely vegetated community that occurs along river shorelines, islands, pointbars, and flats. These sandbars form when receding floodwaters deposit sand and lesser amounts of clay, silt, and cobbles in the streambed. Soils are often undeveloped due to the ephemeral nature of the stands. Drainage depends on depth above the water level. Herbaceous species shared in Missouri and Nebraska include <i>Cyperus</i> spp. (<i>Cyperus erythrorhizos, Cyperus odoratus, Cyperus squarrosus</i>), <i>Eragrostis hypnoides, Eragrostis trichodes, Leptochloa fusca ssp. fascicularis, Polygonum</i> spp. (including <i>Polygonum lapathifolium), Rorippa sinuata, Sporobolus cryptandrus</i>, and <i>Xanthium strumarium</i>. |
Comm #1857
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Populus fremontii - Salix gooddingii / Baccharis salicifolia Riparian Forest
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accession code: urn:lsid:vegbank.org:commConcept:31591-{A488F8F2-F4C8-4360-9FC0-655BA31FB6C2}
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NatureServe Biotics 2019 |
7
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This is a lowland forested riparian association known from the Gila River watershed in New Mexico and potentially occurs elsewhere in southwestern New Mexico and southern Arizona. It occurs in lowland river valleys at elevations ranging from 1220 to 1410 m (4000-4625 feet). Stream gradients are moderate (0.3-0.9%), and channel substrates gravelly or finer. Occurring on low- to mid-elevation bars within and along channels, flood-recurrence intervals vary widely, but typically range between two and five years. Some site are considerably higher in the floodplain and are rarely flooded (25-100 years). Soils are young, weakly developed Entisols that are commonly sandy with a cobbly matrix. Others, particularly those of higher terraces, are sandy or loamy throughout. The soils are generally dry on the surface most of the year, but they may be periodically moist within the rooting zone (40-150 cm). The vegetation of this association is characterized by young to middle-aged stands of <i>Populus fremontii</i> and <i>Salix gooddingii</i> with moderate to closed canopies (usually greater than 60% cover). <i>Celtis laevigata var. reticulata, Fraxinus velutina, Juglans major, Juniperus monosperma</i>, and <i>Platanus wrightii</i> can occur as subcanopy associates, but are never dominant. <i>Baccharis salicifolia</i> is well-represented to abundant in the shrub layer and is diagnostic. Other shrubs are scattered and may include <i>Amorpha fruticosa, Ericameria nauseosa, Rhus trilobata</i>, and <i>Salix exigua</i>. The herbaceous layer can range from sparse and species-poor to well-represented and species-rich, but variable. A total of 54 grasses and forbs have been recorded for the type, 7 of which were wetland indicators. The most common were <i>Hydrocotyle verticillata, Schoenoplectus pungens, Phyla lanceolata, Juncus arcticus ssp. littoralis</i>, and <i>Muhlenbergia asperifolia</i>. |
Comm #1858
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Larix laricina / Alnus incana Swamp Forest
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accession code: urn:lsid:vegbank.org:commConcept:31379-{87224E5A-D09B-4859-BBEB-63A4BC219C24}
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NatureServe Biotics 2019 |
7
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This rich tamarack swamp community is found in the northern Great Lakes region of the United States and Canada. Stands are found on the shores of lakes and rivers above the flooding level, as well as margins of flowage areas of peatland complexes. The substrate is primarily a well-decomposed woody peat in wet, saturated soils, but can also be a moist mineral soil. The canopy layer varies from closed (60-100% cover) to open (25-60% cover), and varies from 3-10 m in height. <i>Larix laricina</i> is the dominant tree species, with frequent associates of <i>Picea mariana</i> and <i>Thuja occidentalis</i> and minor associates of <i>Acer rubrum, Betula alleghaniensis</i>, and <i>Fraxinus nigra</i>. The shrub, herb and moss layers can be very rich to somewhat poor in diversity. The shrub layer typically contains <i>Alnus incana</i>, along with <i>Abies balsamea, Cornus sericea, Rhamnus alnifolia</i>, and <i>Picea mariana</i>. The dwarf-shrub layer is strongly ericaceous, including <i>Ledum groenlandicum</i> and <i>Gaultheria hispidula</i>. Other dwarf-shrubs include <i>Cornus canadensis, Linnaea borealis, Lonicera villosa, Ribes triste, Rosa acicularis</i>, and <i>Rubus pubescens</i>. Herbaceous species include <i>Carex disperma, Carex aquatilis, Coptis trifolia, Equisetum sylvaticum, Galium triflorum, Maianthemum canadense, Maianthemum trifolium, Mitella nuda, Trientalis borealis</i>, and <i>Viola renifolia</i>. The moss layer, which is sometimes patchy, includes <i>Dicranum polysetum, Hylocomium splendens, Pleurozium schreberi, Ptilium crista-castrensis, Rhytidiadelphus triquetrus, Sphagnum capillifolium</i>, and <i>Sphagnum girgensohnii</i>. Diagnostic characteristics include the dominance of <i>Larix laricina</i>, presence of both minerotrophic shrubs (<i>Alnus incana, Cornus sericea</i>) and some ericaceous shrubs (e.g., <i>Ledum groenlandicum</i>), and the incomplete moss layer. |
Comm #1859
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Pseudotsuga menziesii / Betula occidentalis Riparian Woodland
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accession code: urn:lsid:vegbank.org:commConcept:31547-{3604D28F-37AC-412B-A703-CD0DCC6ACCAB}
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NatureServe Biotics 2019 |
7
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This woodland association occurs in cool, narrow foothill canyons of the Colorado Front Range between 2015 and 2500 m (6600-8080 feet) elevation in the upper Arkansas and South Platte river basins and in Rio Grande National Forest. It has also been documented from box canyons in southeastern Utah at 1883 m (6175 feet) and may also occur in Nevada. Vegetation is limited to a narrow band along small, steep perennial streams in fairly shallow (165-343 cm [65-135 inches]), loamy alluvial soils, often with a high cover of surface rock. <i>Pseudotsuga menziesii</i> (15-50% cover) trees up to 35 m tall and <i>Betula occidentalis</i> (20-40% cover) are key indicators even if other tree and shrub species are present. Other tree species may include <i>Acer negundo, Salix amygdaloides, Populus angustifolia, Populus tremuloides, Juniperus scopulorum, Pinus ponderosa, Abies concolor, Abies lasiocarpa</i>, or <i>Picea pungens</i>. The shrub canopy may be thick and diverse and include <i>Alnus incana, Acer glabrum, Ericameria nauseosa, Quercus gambelii, Rhus trilobata, Salix bebbiana, Salix ligulifolia, Salix monticola, Salix irrorata, Rosa woodsii, Jamesia americana</i>, and <i>Cornus sericea</i>. The herbaceous layer is generally sparse due to heavy shade; more abundant species include <i>Maianthemum stellatum, Eurybia glauca, Equisetum arvense, Equisetum hyemale, Carex disperma</i>, and <i>Melilotus officinalis</i>. |
Comm #1860
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Carex vesicaria Wet Meadow
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accession code: urn:lsid:vegbank.org:commConcept:31569-{E0CE23D3-F946-400B-A962-005DC93847BE}
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NatureServe Biotics 2019 |
7
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Stands of this vegetation type are commonly found in wet meadows, around the edges of montane lakes and beaver ponds, along the margins of slow-moving reaches of streams and rivers, and in marshy swales and overflow channels on broad floodplains throughout the western United States. Elevations range from 1075-2900 m (3525-9500 feet). These communities can occur in standing water or on sites that become relatively dry during the later part of the growing season. Many sites are located where beaver ponds have filled with sediment. A wide range of soils are associated with this association. Histosols are most common and often have organic accumulations greater than 1 meter thick. Mollisols and Entisols are also associated with this type. Soil texture varies widely from loamy clay to sandy loam. This association is characterized by the dominance of <i>Carex vesicaria</i>, with 20-98% cover. Other graminoids can be present and can be codominant. <i>Juncus arcticus ssp. littoralis, Deschampsia cespitosa, Carex nebrascensis, Carex utriculata, Eleocharis palustris</i>, and <i>Glyceria</i> spp. are some of the more common associated species. Forbs can include <i>Epilobium</i> sp., <i>Galium trifidum, Camassia quamash, Symphyotrichum foliaceum, Equisetum arvense</i>, and <i>Mentha arvensis</i>. |
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