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Add/Drop	Name	Reference	Plots↓	Description
Comm #6021	Pinus edulis - Juniperus osteosperma / Pseudoroegneria spicata - Cushion Plant Woodland » more details accession code: VB.CC.31918.CEGL002819	Western Ecology Working Group of...	0	This association has only been documented from Dinosaur National Monument in northwestern Colorado and adjacent eastern Utah. It occurs on the high windswept ridges and valleys of plateaus and mountains at elevations above 1900 m to as high as 2400 m. Slopes are east- to southwest-facing and gentle to moderately steep. Soils are thin, and texture is variable, depending on the geologic substrate, which is typically limestone or derived from limestone, such as Bishop conglomerate. The soil surface is often covered with gravel and large rocks. The vegetation is characterized by a sparse to moderate tree cover of <i>Pinus edulis</i> and <i>Juniperus osteosperma</i> with an understory of bunchgrasses and cushion plants. The shrub stratum has less than 10% cover and lacks diagnostic species. The herbaceous layer is highly diverse with consistent dominant species. <i>Pseudoroegneria spicata</i> is typically present with low to moderate cover, but in heavily grazed areas, it may be absent. Other grasses that occur consistently include <i>Poa secunda, Poa fendleriana, Achnatherum hymenoides</i>, and <i>Koeleria macrantha</i>. Forbs characterized as "cushion" plants include <i>Stenotus acaulis, Phlox hoodii, Petradoria pumila</i>, and <i>Phlox multiflora</i>. A variety of other forbs also occur in this association, particularly <i>Balsamorhiza sagittata</i>.
Comm #6022	CEGL000606 » more details accession code: VB.CC.3214.CEGL000606 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #6023	Fraxinus latifolia / Symphoricarpos albus Forest » more details accession code: VB.CC.27568.FRAXINUSLATIFOL	Western Ecology Working Group of...	0
Comm #6024	North Pacific Sub-boreal Wet Toeslope/Riparian Hybrid White Spruce Forest » more details accession code: urn:lsid:ecoobs.vegbank.org:commConcept:9029-{42835F0C-A4CA-4EFF-B815-4DAFAFEC5855}	Western Ecology Working Group of...	0
Comm #6025	Panicum obtusum - Panicum hallii Herbaceous Vegetation » more details accession code: VB.CC.24274.PANICUMOBTUSUMP	Western Ecology Working Group of...	0
Comm #6026	Picea sitchensis / Trisetum canescens Forest » more details accession code: VB.CC.37352.CEGL002824		0	This linear floodplain community occurs on middle fluvial benches along rivers of coastal British Columbia. These sites may occur at elevations from 0 to 600 m along rivers that flood annually and have prolonged elevated water tables during the growing season. This plant community has a moderately open canopy dominated by <i>Picea sitchensis</i>, poorly developed shrub layer dominated by regenerating conifers, a species-rich herb layer, and a well-developed moss layer with mixed feathermosses and leafy mosses. <i>Tsuga heterophylla</i> commonly occurs with moderate cover, and <i>Alnus rubra</i> is consistently present, usually with low cover. Regenerating conifers, such as <i>Tsuga heterophylla</i> and <i>Picea sitchensis</i>, are typically in the shrub layer as are <i>Rubus spectabilis</i> and sometimes <i>Vaccinium parvifolium</i> at low cover. The herb layer is species-rich with numerous fern, graminoid and lily species but none with very high constancy. A moderate to high cover of <i>Elymus hirsutus</i> with moderate cover of <i>Trisetum canescens</i> are usually present, with low to moderate cover of <i>Athyrium filix-femina, Osmorhiza purpurea</i>, and <i>Gymnocarpium dryopteris</i>. <i>Hylocomium splendens</i> dominates the high bryophyte cover, along with low to moderate amounts of <i>Rhytidiadelphus loreus</i> and <i>Conocephalum salebrosum (= Conocephalum conicum)</i>.
Comm #6027	Picea sitchensis - Tsuga heterophylla / Oplopanax horridus - Rubus spectabilis / Gymnocarpium dryopteris Forest » more details accession code: VB.CC.37332.CEGL002825		0	This riparian community occurs at elevations from 10 to 1000 m on the western slopes of the central Coast Mountains of British Columbia and on the windward slopes of Vancouver Island. It occurs on high fluvial benches with seasonally fluctuating water tables that generally only flood every few years. The moderately closed overstory is codominated by <i>Picea sitchensis</i> and <i>Tsuga heterophylla</i>, and the well-developed shrub layer is dominated by <i>Oplopanax horridus</i> and <i>Rubus spectabilis</i>. A well-developed herb layer is characterized by several fern species, including <i>Gymnocarpium dryopteris, Athyrium filix-femina</i>, and <i>Dryopteris expansa</i>. Regular flooding inhibits the growth of mosses, and consequently the moss layer is relatively sparse, typically including low to moderate cover of <i>Rhytidiadelphus loreus</i> and <i>Plagiomnium insigne</i>.
Comm #6028	CEGL002277 » more details accession code: VB.CC.4788.CEGL002277 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #6029	CEGL002278 » more details accession code: VB.CC.4789.CEGL002278 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #6030	Vaccinium formosum - Vaccinium fuscatum - Vaccinium corymbosum Seasonally Flooded Shrubland Alliance » more details accession code: VB.CC.18777.VACCINIUMFORMOS	Southeastern Ecology Working Gro...	0	This alliance covers depressional wetlands in uplands of the Coastal Plain, lower and northern Piedmont, and lower New England dominated by Vaccinium formosum, Vaccinium fuscatum, and/or Vaccinium corymbosum as well as other heaths locally, such as Lyonia ligustrina var. foliosiflora, Lyonia lucida, and others. Other shrub/vine species which may be present include Leucothoe racemosa, Smilax walteri, and Viburnum nudum var. nudum. In the northern part of the range, other shrubs include Ilex verticillata, Spiraea alba, and Clethra alnifolia. The shrub coverage sometimes has an open, sparse structure. Trees may be interspersed among the shrubs; these may include Liquidambar styraciflua, Acer rubrum var. rubrum, Pinus palustris, and Pinus taeda. In the north, Nyssa sylvatica or Pinus rigida may occur. Herbaceous species that may be present include Carex crinita, Carex glaucescens, Eleocharis sp., Rhynchospora sp., Scleria sp., and Utricularia gibba. Sphagnum spp. are present in some examples. Vaccinium spp. sometimes exceed 5 m in height, but are placed here.