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Name
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Reference
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Plots↓
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Description |
Comm #1551
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NARROWLEAF / BROADLEAF CATTAIL - BULRUSH SPECIES SEMI-PERMANENTLY FLOODED HERBACEOUS ALLIANCE
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accession code: VB.cc.30481.NARROWLEAFBROAD
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NVC 2004 |
10
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Comm #1552
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Pinus elliottii - (Pinus serotina) / Aristida beyrichiana - Rhynchospora oligantha - Sarracenia spp. Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32545-{CC68CF61-611F-4C9C-83A2-5031F27EEC81}
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NatureServe Biotics 2019 |
10
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These are slash pine flatwoods of the lower East Gulf Coastal Plain, with open canopy of <i>Pinus elliottii var. elliottii</i>, and sometimes <i>Pinus serotina</i>. The shrub stratum is open and consists of <i>Ilex glabra, Cliftonia monophylla, Smilax laurifolia, Gaylussacia mosieri, Nyssa biflora</i>, and <i>Ilex myrtifolia</i>. The diverse and dense herb stratum is dominated by <i>Aristida beyrichiana</i> and <i>Rhynchospora oligantha</i>, and includes <i>Sarracenia</i> spp. (any of <i>Sarracenia flava, Sarracenia minor</i>, and/or <i>Sarracenia psittacina</i>), <i>Aletris lutea, Pogonia ophioglossoides, Eriocaulon decangulare, Ctenium aromaticum, Eurybia chapmanii, Aristida palustris, Rhynchospora latifolia, Lophiola aurea, Rhexia alifanus, Polygala lutea, Chaptalia tomentosa</i>, and <i>Sabatia macrophylla</i>. |
Comm #1553
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Acer glabrum Avalanche Chute Shrubland
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accession code: urn:lsid:vegbank.org:commConcept:29970-{3AD4A406-E181-4D2E-B780-622FD10779C0}
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NatureServe Biotics 2019 |
10
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This deciduous shrubland has been described from subalpine avalanche paths in the northern Rocky Mountains. Elevations range from 950 to 2306 m (3100-7600 feet). Stands are located in avalanche tracks and runout zones, on slopes ranging from 15-60%. These communities can occur on any aspect, but are more common where unstable snowpack conditions frequently occur. Soils are rapidly to well-drained loamy sands, sandy loams, or silt loams. They tend to be dark, weakly developed soils on colluvial and glacio-fluvial landforms with high gravel and rock content. Sites are often mesic because avalanche paths are often in stream gullies. Stands have a moderately dense woody canopy characterized by flexible, deciduous small trees and shrubs, dominated by <i>Acer glabrum</i>. Other common woody plants include <i>Paxistima myrsinites, Sorbus scopulina, Alnus viridis ssp. sinuata, Alnus incana, Rubus parviflorus, Prunus virginiana, Symphoricarpos albus, Symphoricarpos oreophilus, Salix planifolia, Salix scouleriana</i>, and <i>Crataegus douglasii</i>. In addition to shrub species, several trees are usually present, these rarely attaining heights above that of the shrubs due to the frequent disturbance. Tree species are those from the surrounding forested slopes and include <i>Picea engelmannii, Abies lasiocarpa, Populus tremuloides, Populus balsamifera ssp. trichocarpa, Pseudotsuga menziesii</i>, and <i>Betula papyrifera</i>. The ground cover is moderately dense to dense and composed of many graminoids and forbs. <i>Chamerion angustifolium</i> and <i>Thalictrum occidentale</i> are common. Other species include <i>Lomatium dissectum, Heracleum maximum, Xerophyllum tenax, Carex geyeri, Castilleja</i> spp., <i>Agastache urticifolia, Eucephalus engelmannii, Erythronium grandiflorum, Myosotis asiatica, Veratrum viride</i>, and <i>Xerophyllum tenax</i>. Mosses and ferns are often present. |
Comm #1554
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Rubus parviflorus / Chamerion angustifolium - Heracleum maximum Shrubland
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accession code: urn:lsid:vegbank.org:commConcept:30036-{6AFDC3B5-4D15-4011-9E62-784E45891857}
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NatureServe Biotics 2019 |
10
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This is a subalpine shrubland association currently known from northwestern Montana, and from the northern Cascades of western Washington. It occurs on toeslope, lowslope and midslope landforms with moderately steep to steep grades. It can be found at all aspects, and in northwestern Montana often occupies avalanche chutes and other areas where snow movement prohibits tree establishment or dislodges taller, established specimens. In the Cascades it is reported to occur below the timberline zone, on sites where the snow-free season is long, typically starting in April-May. Slopes are moderately to rapidly well-drained. In Glacier National Park elevations range from 1375-2010 m (4510-6593 feet). Parent material is derived from a variety of glacial substrates. Ground cover is primarily litter, with 1-25% rock of various sizes, and bare soil. This is a diverse, dense, shrubby meadow association. Total cover of the shrub layer ranges from 30% to well over 90%, and the herbaceous layer is equally abundant. The tall shrub <i>Rubus parviflorus</i> is dominant in most of these shrublands, with an average of 30-60% cover. Other tall shrubs can include <i>Spiraea betulifolia, Sorbus scopulina, Symphoricarpos albus, Acer glabrum, Lonicera</i> spp., <i>Ribes</i> spp., <i>Vaccinium</i> spp. <i>Prunus emarginata</i>, and <i>Sorbus sitchensis</i>; one or more of these may have moderate cover in some areas. Stunted, shrubby <i>Abies lasiocarpa, Abies amabilis</i>, or <i>Abies concolor</i> may be present. The forb component is often very diverse, and mesic forbs prevail. <i>Chamerion angustifolium</i> was present in all plots, a good indicator of periodic disturbance that characterizes this association. Other common to abundant species include <i>Heracleum maximum, Pteridium aquilinum, Valeriana sitchensis, Veratrum viride, Thalictrum occidentale, Solidago canadensis, Erythronium grandiflorum, Artemisia ludoviciana, Osmorhiza occidentalis, Angelica arguta</i>, and <i>Galium triflorum</i>. |
Comm #1555
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Quercus lyrata - Liquidambar styraciflua / Forestiera acuminata Floodplain Forest
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accession code: urn:lsid:vegbank.org:commConcept:31332-{A872B663-8C9D-42D5-8058-C6810C868941}
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NatureServe Biotics 2019 |
10
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This forest is common in river swamps and low, moist bottomlands in the Mississippi River Alluvial Plain, the Red River Valley of Louisiana, and adjacent parts of the West Gulf Coastal Plain of Texas and Arkansas. It ranges north to southern Illinois, southeastern Indiana, and western Kentucky, and east to parts of Mississippi and Alabama. The mosaic of possible hydrologic conditions results in considerable species diversity, but <i>Quercus lyrata</i> and <i>Liquidambar styraciflua</i> are usually dominant. It is distinguished from other <i>Quercus lyrata</i> forests of the Gulf region by lacking <i>Quercus texana</i>, and having more <i>Liquidambar styraciflua</i> than <i>Carya aquatica</i> [see Similar Associations). This type is drier than forests in which <i>Carya aquatica</i> is codominant. Other canopy species commonly include <i>Ulmus americana, Carya aquatica, Fraxinus profunda, Celtis laevigata, Acer rubrum, Acer saccharinum</i>, and <i>Quercus palustris</i> (north of the range of <i>Quercus texana</i>). Trees in this forest are generally tall (30-45 m [100-150 feet]), and often exhibit thick trunks and stout branches that form broad irregular crowns. Oaks are generally of medium height, while <i>Liquidambar</i> may reach 45 m (150 feet) in height with tall, straight trunks. Canopy closure is complete (70-100%), and subcanopy, shrub, herbaceous, and vine density and diversity are directly affected by the timing, duration, and depth of seasonal flooding. The subcanopy in some occurrences is dense and is dominated by <i>Crataegus viridis</i> and <i>Ulmus americana</i>. The shrub layer is dominated by <i>Forestiera acuminata, Planera aquatica, Cornus foemina, Ilex decidua</i>, and <i>Cephalanthus occidentalis</i>. Vines may be dense and include <i>Brunnichia ovata, Campsis radicans</i>, and <i>Vitis</i> spp. Commonly encountered herbaceous species include <i>Boehmeria cylindrica, Carex lupulina, Commelina virginica, Laportea canadensis, Ludwigia palustris, Pilea pumila, Polygonum hydropiperoides, Triadenum tubulosum</i>, and <i>Cinna arundinacea</i> (in the more northern parts of the association's distribution). Herbaceous growth and diversity will be limited in areas of consistently longer hydroperiod. Stands occur on level to gently sloping bottomlands along streams and rivers, in sinkhole basins, or in shallow sloughs. Flooding occurs seasonally or during periods of heavy precipitation, often resulting in ponding. A high water table is present. The deep soils (greater than 100 cm in depth), derived from alluvial parent material, are somewhat poorly drained and are seasonally wet. |
Comm #1556
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Sabal palmetto - (Juniperus virginiana var. silicicola) Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32399-{92D66DD5-19B7-4DA6-BC36-86EE4D37874E}
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NatureServe Biotics 2019 |
10
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This community consists of pure to mixed, open stands of <i>Sabal palmetto</i>, often with <i>Juniperus virginiana var. silicicola</i>. Shrub and herb species can include <i>Yucca aloifolia, Rhus copallinum, Ilex vomitoria</i>, and <i>Morella cerifera</i>. This community is described from the outer South Atlantic Coastal Plain of Georgia and South Carolina, where it occurs in exposed situations on marsh hammock islands. This, or related vegetation, could occur in the adjacent Mid-Atlantic Coastal Plain, East Gulf Coastal Plain and/or Florida Peninsula. More information is needed on the range and variability of this type. |
Comm #1557
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Pinus clausa / Quercus myrtifolia - Quercus geminata Woodland
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accession code: urn:lsid:vegbank.org:commConcept:32429-{D551549F-D738-40BE-B698-4A6C00DA37EB}
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NatureServe Biotics 2019 |
10
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This inland peninsular scrub consists of a low-statured, emergent <i>Pinus clausa</i> canopy over a dense shrub stratum. Typical shrub layer components include evergreen scrub oaks (<i>Quercus myrtifolia, Quercus chapmanii, Quercus geminata, Quercus inopina</i>). The herb layer is generally sparse and frequently dominated by lichens (<i>Cladonia leporina, Cladonia prostrata, Cladina evansii</i>, and <i>Cladina subtenuis</i>). The light-colored sandy soils are extremely well-drained and infertile. This is an interior scrub association of Florida, not restricted to coastal situations. |
Comm #1558
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Suaeda moquinii Intermittently Flooded Shrubland Alliance
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accession code: VB.cc.30864.SUAEDAMOQUINIII
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NVC 2004 |
10
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Allenrolfea occidentalis – Suaeda moquinii
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accession code:
NOT CURRENTLY ACCEPTED
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CDFW Natural Communities List |
10
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Comm #1559
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Populus deltoides ssp. wislizeni / Rhus trilobata Riparian Woodland
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accession code: urn:lsid:vegbank.org:commConcept:29849-{59BBCF9D-66D3-4680-8C9E-1E966C799EE0}
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NatureServe Biotics 2019 |
10
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This woodland association is documented from the Colorado, Yampa and San Miguel/Dolores river basins in western Colorado and northeastern Utah below 1680 m (5500 feet) in elevation. An ecologically similar association with a different subspecies of cottonwood, <i>Populus deltoides ssp. monilifera</i>, is known from southeastern Colorado. Both of these associations represent a late-seral stage of maturing cottonwoods. The trees are usually large and widely spaced with thick patches of <i>Rhus trilobata</i> in between and underneath the overstory canopy. <i>Populus deltoides ssp. wislizeni</i> with a <i>Rhus trilobata</i> understory form this late-seral plant association. <i>Populus angustifolia</i> becomes an important overstory component at higher elevations in the Colorado River basin. Other shrubs commonly present are <i>Artemisia tridentata ssp. tridentata, Cornus sericea, Chrysothamnus linifolius, Symphoricarpos</i> spp., <i>Shepherdia argentea, Tamarix ramosissima</i> (an exotic), and <i>Salix exigua</i>. The forb understory is usually sparse and consists mainly of <i>Cirsium arvense</i> (an exotic), <i>Asclepias speciosa</i>, and <i>Melilotus officinalis</i> (another exotic). Graminoid cover ranges from 10-30% and consists mostly of introduced species such as <i>Poa pratensis, Bromus inermis</i>, and <i>Elymus repens</i>. |
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