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Add/Drop	Name	Reference	Plots↓	Description
Comm #11891	A.593 » more details accession code: VB.CC.2238.A593	EcoArt 2002	0	Common shrubs include ~Pilosocereus royenii, Thouinia striata var. portoricensis, Plumeria alba, Croton lucidus, Pictetia aculeata, Comocladia dodonaea$.
Comm #11892	Salix ligulifolia Shrubland » more details accession code: VB.CC.32520.CEGL001218	Western Ecology Working Group of...	0	This association is a medium to tall (1.5-3 m [5-15 feet]) willow shrubland occurring in saturated areas at elevations of 1424 to 3295 m (4700 -10,800 feet). It occurs in the wettest part of the riparian zone, usually adjacent to the channel on low point bars, islands, and overflow channels. At higher elevations, it occurs in relatively broad valley bottoms along low terraces and floodplains, and along streambanks of narrower reaches. At lower elevations, it occurs generally directly in the stream channel, on the rims of slickrock potholes and other wet valley bottoms. Soils are saturated sandy loams and clay loams with a high organic matter content in the upper layers. <i>Salix ligulifolia</i> is found in mixed stands with other willows such as <i>Salix monticola, Salix geyeriana</i>, and <i>Salix drummondiana</i>. <i>Salix ligulifolia</i> is the key diagnostic species; other willows may have equal cover, but in general do not exceed that of <i>Salix ligulifolia</i>. The herbaceous undergrowth can be dense in undisturbed stands with <i>Carex utriculata</i> (1-40%), <i>Carex nebrascensis</i> (1-5%), <i>Carex pellita (= Carex lanuginosa)</i> (1-3%), <i>Juncus balticus</i> (1-20%), and <i>Calamagrostis canadensis</i> (1-27%). Forb cover is generally low. ~<i>Salix exigua - Salix ligulifolia</i> Shrubland (CEGL002655)$$ is a closely related association occurring in the Colorado foothills at lower elevations.
Comm #11893	Kobresia myosuroides - Trifolium dasyphyllum Herbaceous Vegetation » more details accession code: VB.CC.33508.CEGL001909	Western Ecology Working Group of...	0
Comm #11894	Vaccinium uliginosum / Deschampsia caespitosa Dwarf-shrubland » more details accession code: VB.CC.32484.CEGL001250	Western Ecology Working Group of...	0	This coastal shrubland association is found in Oregon, and possibly Washington and California. The climate is very temperate with the mean temperatures ranging from 7-15°C. Precipitation is highly seasonal with most rain falling through the fall and winter months. Mean annual precipitation averages 190 cm. Stands grow in swales and ephemeral bogs with a well-developed iron pan about 30 cm below the soil surface. These strongly leached soils have developed in areas of ancient marine terraces, and their distribution is highly localized. The shrub <i>Vaccinium uliginosum</i> is the dominant plant attaining 40% cover, with occasional patches of <i>Sphagnum</i> spp. and <i>Deschampsia caespitosa</i>. <i>Sanguisorba menziesii</i> and <i>Carex obnupta</i> also occur with high constancy.
Comm #11895	Larrea tridentata / Tiquilia hispidissima Shrubland » more details accession code: VB.CC.33502.CEGL001267	Western Ecology Working Group of...	0	From Muldavin et al. (2000b): This is a plant association of the Southwest and a minor type on White Sands Missile Range. It is known to occur at low elevations on gypsum soils near Mound Springs in the northern Tularosa basin. It is characterized by a very open canopy of <i>Larrea tridentata</i> and <i>Prosopis glandulosa</i> with scattered cover of the low-growing dwarf-shrub <i>Tiquilia hispidissima</i>. The soils are a patchwork of exposed gypsum outcrop hummocks surrounded by deflated areas that are overlain by deep layers of alluvial sediments. This association is probably limited to areas where gypsum is exposed.
Comm #11896	CEGL002602 » more details accession code: VB.CC.5010.CEGL002602 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #11897	Picea engelmannii / Erigeron eximius Forest » more details accession code: VB.CC.33561.CEGL000364	Western Ecology Working Group of...	0	This subalpine forest occurs throughout the mountains of central Arizona to southwestern and central New Mexico into the Jemez Mountains of northern New Mexico and into southern Colorado. It occurs on cool, relatively mesic to moist sites with gentle to steep slopes on all aspects (especially northerly) and also on lower slopes of canyon drainages. Elevations range from 2470 to 3050 m (8850 [>8100 in canyons]-10,000 feet). Soils are derived from latite or dactite volcanics. Typically, the ground surface is dominated by thick litter and dense herbaceous cover. This subalpine forest is characterized by a closed canopy of <i>Picea engelmannii</i> with <i>Pseudotsuga menziesii</i> as a codominant along with scattered <i>Pinus flexilis</i>. Occasional <i>Populus tremuloides</i> may be present, but total canopy cover is less than 10%. <i>Abies concolor</i> and <i>Pinus strobiformis</i> are sometimes abundant as reproduction, but never in the larger size classes. Sapling <i>Picea engelmannii</i> are well-represented in the understory along with seedlings of <i>Populus tremuloides</i>. Shrubs are scarce or absent. The herb layer can be relatively well-developed and is dominated by <i>Erigeron eximius</i> along with a mix of other forbs and grasses.
Comm #11898	Larrea tridentata - Prosopis glandulosa Shrubland » more details accession code: VB.CC.32285.CEGL001275	Western Ecology Working Group of...	0
Comm #11899	Asociación Berberis commutata - Polylepis subtusalbida » more details accession code: urn:lsid:vegbank.org:commConcept:36791-{4DA82C8C-C6C9-41E4-B63F-D80AF8A6EE8F}	NatureServe Biotics 2019	0	3200 hasta 3900-4000 m. Supratropical pluviestacional subhúmedo superior. Combinación florística diferencial: <i>Berberis commutata, Berberis rariflora, Calceolaria engleriana, Calceolaria parvifolia, Citharexylum punctatum, Gynoxis glabriuscula, Polylepis subtusalbida</i> y <i>Schinus microphyllus</i>. Mayores áreas potenciales y/o actuales conocidas: Cochabamba: Tunari, Tiraque, Mazo Cruz y Tapacarí.
Comm #11900	Atriplex canescens Shrubland » more details accession code: VB.CC.34308.CEGL001281	Western Ecology Working Group of...	0	This shrubland association is known from the Great Basin north into the southern Columbia Basin and east into Wyoming and the Colorado Plateau. It is common at middle elevations on alluvial fans and toeslopes in deep, sandy soils but will occur at lower elevations along alluvial benches where soils are often finer-textured and possibly saline/alkaline. Parent materials are variable. The vegetation is characterized by a sparse to moderately dense short-shrub layer (10-35% cover) dominated or codominated by <i>Atriplex canescens</i>, typically with a variable and often sparse herbaceous layer. Notable codominants in the shrub layer include <i>Chrysothamnus viscidiflorus, Coleogyne ramosissima, Ephedra nevadensis, Eriogonum nummulare (= Eriogonum kearneyi), Grayia spinosa, Gutierrezia sarothrae, Lycium pallidum</i>, or <i>Psorothamnus</i> spp. <i>Artemisia bigelovii, Artemisia tridentata</i>, and <i>Ephedra viridis, Krascheninnikovia lanata</i>, or <i>Purshia stansburiana</i> may be present but are not codominants. The herbaceous layer includes low cover of species such as <i>Achnatherum hymenoides, Aristida purpurea, Elymus elymoides, Pleuraphis jamesii</i>, and <i>Sporobolus cryptandrus</i>. Introduced species, especially <i>Bromus tectorum, Bromus diandrus</i>, and <i>Salsola kali</i>, are common on disturbed sites and can create an herbaceous layer much denser than on undisturbed sites. Winter annual forb cover is variable depending on annual precipitation.