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Add/Drop	Name	Reference	Plots↓	Description
Comm #4691	Plagiobothrys nothofulvus Alliance » more details accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28785-{E00AB602-8DE0-4DA3-BCBD-776537EF1343} NOT CURRENTLY ACCEPTED	MCV2	1
Comm #4692	Heteromeles arbutifolia Serpentine Association » more details accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28669-{B9AD7B80-0568-4496-B286-42B70CBA30DD} NOT CURRENTLY ACCEPTED	MCV2	1
Comm #4693	LYCIUM ANDERSONII SHRUB HERBACEOUS ALLIANCE » more details accession code: VB.cc.30124.LYCIUMANDERSONI	NVC 2004	1
Comm #4694	NY Heritage: Perched bog » more details accession code: VB.CC.28967.NYHERITAGEPERCH	Ecological Communities of New York, 2nd Ed.	1	An ombrotrophic (or very weakly minerotrophic) peatland that occurs in shallow depressions in rock outcrops where there is a perched water table. Vegetation is dominated by peat mosses (Sphagnum spp.) and ericaceous shrubs, and the substrate is a shallow peat overlying bedrock. Water in a perched bog is usually very acid (pH less than 5.0), has low amounts of dissolved minerals, and is especially low in calcium ions. Species diversity is usually low. Characteristic species include several peat mosses (Sphagnum fuscum, S. rubellum, S. capillifolium, and S. magellanicum), leatherleaf (Chamaedaphne calyculata), sheep laurel (Kalmia angustifolia), steeple-bush (Spiraea tomentosa), cranberry (Vaccinium macrocarpon), and sedges (Carex spp.). More data on this community are needed.
Comm #4695	A.1475 » more details accession code: VB.CC.1248.A1475 NOT CURRENTLY ACCEPTED	EcoArt 2002	1	~Juncus roemerianus$-dominated marshes with tidal hydrology. Associations in this alliance have a range of water chemistry, including saline, brackish, and (rarely) freshwater. This widely distributed salt marsh alliance occurs in association with low salt marshes or in brackish marshes, and is characterized by discrete, dense patches of vegetation usually strongly dominated by ~Juncus roemerianus$ with few other associates. Associates which occur at low cover may include ~Borrichia frutescens, Baccharis halimifolia, Spartina alterniflora, Distichlis spicata, Schoenoplectus robustus (= Scirpus robustus), Symphyotrichum tenuifolium (= Aster tenuifolius)$, and ~Symphyotrichum subulatum (= Aster subulatus)$. This community may occur as isolated patches within low salt marsh, or may dominate vast areas at the heads of tidal creeks that drain the marsh. Its hydrology is generally irregularly tidally flooded. Soils of this association are generally poorly to very poorly drained, often with standing water atop peat accumulations (averaging 15 cm in depth) which in turn overlie gleyed sands. Degree of tidal inundation and relative elevation control the distribution of salt marsh vegetation in general; ~Juncus roemerianus$ is typically found at lower elevation than the associated ~Spartina patens$ marshes or mixed marshes. ~Juncus roemerianus$ generally occurs on sandy substrates. The alliance may more rarely occur in freshwater, wind tidal situations. In these examples, ~Juncus roemerianus$ is the dominant, but other characteristic species may include ~Thelypteris palustris var. pubescens, Polygonum punctatum, Cladium mariscus ssp. jamaicense, Asclepias lanceolata, Osmunda regalis var. spectabilis, Eleocharis fallax, Boehmeria cylindrica$, and others. This species composition is indicative of the freshwater marsh conditions, as they do not occur in more brackish and saline associations in the ~Juncus roemerianus$ alliance.
Comm #4696	Plagiobothrys nothofulvus – Daucus pusillus – Bromus hordeaceus Association » more details accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28870-{B54DF196-D6C5-4414-BE10-9E5A13B4F944} NOT CURRENTLY ACCEPTED	MCV2	1
Comm #4697	Eleocharis rostellata Marsh » more details accession code: urn:lsid:vegbank.org:commConcept:32310-{CFC20996-C720-4CAD-98A1-5F7400CF3D97}	NatureServe Biotics 2019	1	This association is known from low to mid elevations in widely scattered intermontane basins and plains of the West. It is documented to occur in Idaho, Montana, Washington, Oregon, California, Wyoming, and Colorado. It is suspected to occur in similar habitats in Nevada and British Columbia. This association forms sharply delineated, near-monocultural stands in areas with perennially saturated or inundated hydrologic conditions. It often occurs in association with warm springs or fens with alkaline or calcareous soils at the northern limits of its range, but it is also known from cold springs in desert canyons. This association forms on soils ranging from relatively deep organic soils, to alkaline and calcareous soils (e.g., travertine), to coarse mineral soils that are directly in contact with springs or thermal waters. There are two distinct phases of this association: a dense one with 90% cover of <i>Eleocharis rostellata</i>, occurring on relatively deep organic soils that sometimes form a quaking mat, and an open one with less than 70% <i>Eleocharis rostellata</i> cover. The open phase has considerable areas of exposed soil, gravel, rock, and water and appears restricted to mineral substrates on gentle to steep slopes. Low species diversity is characteristic of the <i>Eleocharis rostellata</i> association, and woody vegetation is lacking or if present only as a very minor component. Common associated species with low cover include <i>Berula erecta, Castilleja minor ssp. minor, Carex simulata, Carex nebrascensis, Carex scirpoidea, Dasiphora fruticosa ssp. floribunda, Deschampsia cespitosa, Helianthus nuttallii, Juncus arcticus ssp. littoralis, Juncus torreyi, Mimulus guttatus, Muhlenbergia asperifolia, Schoenoplectus americanus, Symphyotrichum ascendens</i>, and <i>Triglochin maritima</i>.
Comm #4698	Glyceria grandis Wet Meadow » more details accession code: urn:lsid:vegbank.org:commConcept:32311-{A1D0FA4B-C21A-4AAF-8F18-FA2902A6447F}	NatureServe Biotics 2019	1	This association most commonly occurs in the mountains of southeastern Oregon, across southern Idaho, and western Montana at elevations ranging from 1340 to 2715 m (4400-8900 feet). The association occurs in narrow to broad V-shaped valleys with 5-6% gradients. It occupies low-lying bars and streamside terraces with silty, slightly acidic soils of saturated alluvium or poorly drained Histosols, Mollisols, and Entisols. The association is also found on the margins of ponds and reservoirs, and in seasonally flooded wet meadows on floodplains of low-gradient streams, springs, sloughs, and ditches. Some occurrences are saturated season-long, while some occurrences are found adjacent to more dynamic fluvial systems that are inundated early in the season. The water table is high and is at or above the soil surface during summer. This association occurs as a very small patch (less than 0.5 acre) but can occupy as much as an entire acre. Stands are distinctively dominated by <i>Glyceria grandis</i>, up to 2 m tall, with an average cover of 30-90%. Other graminoids with high constancy and low cover include <i>Agrostis stolonifera</i> (introduced), <i>Carex athrostachya, Carex vesicaria, Juncus arcticus ssp. littoralis</i>, other <i>Juncus</i> spp., and <i>Eleocharis</i> spp. A variety of forbs that tolerate saturated moisture conditions occur with low cover, including <i>Epilobium</i> spp., <i>Mimulus guttatus, Montia chamissoi, Rumex crispus</i>, and <i>Veronica americana</i>.
Comm #4699	Taxodium distichum Tidal Woodland » more details accession code: urn:lsid:vegbank.org:commConcept:32606-{2B5A49F9-AE9C-4A9A-86CA-1355A60EEC47}	NatureServe Biotics 2019	1	This represents tidal woodlands dominated by <i>Taxodium distichum</i> present in the South Atlantic Coastal Plain and/or Florida Peninsula. More information is needed.
Comm #4700	Serenoa repens - Sabal palmetto - Ilex vomitoria - Sideroxylon tenax Scrub » more details accession code: urn:lsid:vegbank.org:commConcept:32672-{A05F6A75-830A-45A2-8BF2-8F4DBA07E9B7}	NatureServe Biotics 2019	1	This association represents a "coastal strand" community dominated by <i>Serenoa repens</i> and <i>Ilex vomitoria</i>. This type ranges from Volusia County, Florida, to southern Georgia. Other characteristic species include <i>Sabal palmetto</i> and <i>Sideroxylon tenax</i>. It differs from coastal strand vegetation to the south in its characteristic codominance of <i>Ilex vomitoria</i> and the rarity or absence of more southern (subtropical) floristic elements such as <i>Coccoloba uvifera, Myrsine cubana, Forestiera segregata</i>, and <i>Myrcianthes fragrans</i>. The presence of <i>Sideroxylon tenax</i> and <i>Serenoa repens</i> and the absence of vines differentiate it from the dune "shrub/vine" thickets on barrier islands of North and South Carolina, i.e., ~<i>Smilax auriculata - Toxicodendron radicans</i> Vine-Shrubland (CEGL003885)$$.