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Add/Drop	Name	Reference	Plots↓	Description
Comm #9991	Abies concolor - Pinus ponderosa / Carex inops ssp. inops Forest » more details accession code: VB.CC.34475.CEGL000257	Western Ecology Working Group of...	0	This relatively open forest community resides in the southern Cascades of Oregon at elevations of 1770-2135 m (5800-7000 feet). Slopes vary between 6-26% and occur on all aspects. Soils are silty-clay loams over ash and basalt. <i>Pinus ponderosa</i> dominates the tree canopy with cover of 30-50%. Cover of <i>Abies concolor</i> and <i>Populus tremuloides</i> is 5-10% and 0-30%, respectively. Important herbaceous species are <i>Poa nervosa</i> (5-40%), <i>Achillea millefolium</i> (1-30%), and <i>Carex inops ssp. inops</i> (1-30%).
Comm #9992	Abies concolor / Symphoricarpos oreophilus Forest » more details accession code: VB.CC.34450.CEGL000263	Western Ecology Working Group of...	0	This forest association has been reported from mountains in Colorado, Utah, New Mexico and Arizona along the Mogollon Rim. Elevation ranges from 2075-3200 m (6800-10,500 feet). Stands are found on cool, dry sites often occurring on moderate to steep mid slopes with northern aspects, but they also occur on southern and western slopes at the higher elevations. Parent material often is limestone and Tertiary sandstone. Soil surface textures are sandy loam to loam and contain little gravel. The upper tree canopy is typically dominated by either <i>Pinus ponderosa</i> or <i>Pseudotsuga menziesii</i> with scattered <i>Abies concolor</i>. This association is characterized by the presence of successfully reproducing <i>Abies concolor</i>, which may also dominate or codominate the tree canopy or shrub layers. Associated trees include <i>Pinus flexilis, Populus angustifolia</i>, and <i>Populus tremuloides</i>. The sparse to moderately dense short-shrub layer is characteristically dominated by <i>Symphoricarpos oreophilus</i> often with <i>Rosa woodsii, Amelanchier alnifolia</i>, or several other shrubs present. The herbaceous layer is sparse. Common graminoids are <i>Carex rossii</i> and <i>Poa fendleriana</i>. Forbs are noticeably sparse.
Comm #9993	Tsuga mertensiana - Chamaecyparis nootkatensis / Vaccinium ovalifolium Forest » more details accession code: VB.CC.21512.TSUGAMERTENSIAN	Western Ecology Working Group of...	0
Comm #9994	CEGL000976 » more details accession code: VB.CC.3578.CEGL000976 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #9995	Abies grandis / Clintonia uniflora Forest » more details accession code: VB.CC.34703.CEGL000272	Western Ecology Working Group of...	0	This association is found in northern Idaho, western Montana, eastern Washington, and northeastern Oregon at between 610 and 1860 m (2000-6100 feet) elevation. It represents a moist extreme of <i>Abies grandis</i> forests and usually occupies moist, well-drained slopes, benches, and stream terraces that are protected from extreme sun and wind on all aspects. This type is most often found on concave to undulating surface relief, receiving additional moisture and nutrients from the surrounding, more elevated landscape. Parent materials are usually basalt or granitics. Stands in this association are predominantly uneven-aged. <i>Abies grandis</i> is the indicated climax tree species and dominates both the overstory and understory in old-growth stands. <i>Pseudotsuga menziesii</i> and <i>Picea engelmannii</i> act as secondary seral dominants, with spruce in virtually all age classes in old-growth stands. <i>Pinus ponderosa, Larix occidentalis</i>, and <i>Pinus contorta</i> are the primary invaders of severely disturbed sites. In the shrub layer, <i>Vaccinium membranaceum (= Vaccinium globulare)</i> or <i>Acer glabrum</i> dominate the undergrowth. <i>Vaccinium membranaceum</i> (twice as abundant in early-seral stands), <i>Rosa gymnocarpa, Lonicera utahensis</i>, and <i>Linnaea borealis</i> are often abundant in this type. <i>Clintonia uniflora</i> accompanies a mixture of moist-site forbs in the herbaceous layer. Some moist-site indicators commonly present are <i>Bromus vulgaris, Adenocaulon bicolor, Maianthemum stellatum (= Smilacina stellata), Coptis occidentalis</i>, and <i>Prosartes trachycarpa (= Disporum trachycarpum)</i>.
Comm #9996	Hypericum reductum / Syngonanthus flavidulus - Rhexia salicifolia - (Xyris longisepala) Dwarf-shrubland » more details accession code: VB.CC.25390.HYPERICUMREDUCT	Southeastern Ecology Working Gro...	0	This community is represented by a narrow vegetation zone that encircles limesink ponds in southern Alabama. This zone contains various woody species, with Hypericum reductum being most conspicuous, generally occurring along the uppermost or landward portion. Other woody associates include Hypericum fasciculatum and Hypericum myrtifolium, but less frequently. The herbaceous component is characterized by a mix of Sagittaria isoetiformis, Eleocharis tricostata, Eleocharis melanocarpa, Syngonanthus flavidulus, Lachnocaulon minus, Rhynchospora nitens, Rhynchospora microcarpa, Xyris longisepala, Ludwigia suffruticosa, Rhexia salicifolia, and Eupatorium leptophyllum.
Comm #9997	CEGL001071 » more details accession code: VB.CC.3670.CEGL001071 NOT CURRENTLY ACCEPTED	EcoArt 2002	0
Comm #9998	Abies grandis / Coptis occidentalis Forest » more details accession code: VB.CC.34702.CEGL000273	Western Ecology Working Group of...	0	This plant association is known from stands located between the South Fork of the Clearwater and Salmon rivers, within the Idaho Batholith ecoregional section. The mountainous region possesses a Pacific maritime-influenced climatic regime. Winters are mild and moist; summers are dry. The association occurs on steep, north-facing slopes in upper-slope positions at 1585 to 1650 m (5200-5400 feet) elevation. Soils are generally shallow, but may have a significant component of volcanic ash, especially in the upper layers. <i>Pinus contorta, Pinus ponderosa</i>, or <i>Larix occidentalis</i> often dominate early- and mid-seral stands. <i>Pseudotsuga menziesii</i> is often dominant in the forest overstory in late-seral stands. A low-shrub layer is well-developed and dominated by <i>Vaccinium membranaceum (= Vaccinium globulare)</i>, with minor amounts of <i>Rubus parviflorus, Lonicera utahensis</i> and <i>Chimaphila umbellata</i>. The herbaceous layer is dominated by perennial forbs, with <i>Coptis occidentalis</i> being the most abundant. Several other species are indicative of the cool, moist conditions beneath the overstory: <i>Galium triflorum, Viola orbiculata, Mitella stauropetala</i> and <i>Thalictrum occidentale</i>.
Comm #9999	Abies grandis / Linnaea borealis Forest » more details accession code: VB.CC.34699.CEGL000275	Western Ecology Working Group of...	0	This forest association is present throughout northeastern Oregon and west-central Idaho and is a minor type in northern Idaho and Montana. The association occupies lower to mid elevations of gentle slopes and benches of various aspects, which are protected from extreme sun and wind. Soils are slightly acidic with only a trace of bare soil and rock. Litter depths can be up to 9 cm (3.54 inches). Mid- to late-seral occurrences are dominated by <i>Abies grandis</i>, with <i>Pinus ponderosa, Larix occidentalis</i>, and <i>Pseudotsuga menziesii</i> being important, or even dominant, seral species in younger stands. Remnant large-diameter stems of these species are often present in the late-successional stands. The low-shrub layer is dominated by <i>Linnaea borealis</i> which often forms extensive mats. Medium-tall shrubs, such as <i>Vaccinium membranaceum</i>, are typically present. Other common shrubs are <i>Rosa gymnocarpa, Lonicera utahensis</i>, and <i>Chimaphila umbellata</i>. In the herbaceous layer, <i>Carex geyeri, Carex concinna</i>, and <i>Carex rossii</i> are all commonly present. The most frequent indicator forbs include <i>Osmorhiza berteroi (= Osmorhiza chilensis), Galium triflorum, Prosartes trachycarpa (= Disporum trachycarpum)</i>, and <i>Goodyera oblongifolia</i>.
Comm #10000	Muhlenbergia emersleyi - Bouteloua curtipendula Herbaceous Vegetation » more details accession code: VB.CC.22736.MUHLENBERGIAEME	Western Ecology Working Group of...	0	Diverse grasslands at moderate to high elevations in the mountain ranges of Trans-Pecos Texas. This grassland is dominated by Muhlenbergia emersleyi, with other species including Bouteloua curtipendula, Schizachyrium cirratum, Lycurus setosus, Eragrostis erosa, Bothriochloa barbinodis (= var. barbinodis), Muhlenbergia rigida, Bouteloua eriopoda, and Bouteloua gracilis.