| Add/Drop |
Name
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Reference
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Plots↓
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Description |
Comm #10001
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Alnus incana / Carex (aquatilis, deweyana, lenticularis, luzulina, pellita) Shrubland
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accession code: VB.CC.19246.ALNUSINCANACARE
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Western Ecology Working Group of... |
0
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Comm #10002
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Artemisia bigelovii Shrubland
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accession code: VB.CC.32040.CEGL000276
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Western Ecology Working Group of... |
0
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This association occurs most commonly on ledgy slopes, canyon rims and ridges in the east-central part of the Colorado Plateau (southeastern Utah and northern Arizona). Slopes are gentle and elevations range from 1552 to 1900 m (5090-6234 feet). Substrates include alluvial and eolian deposits that have weathered into coarse loamy sands. These soils are often thin and overlie sandstone bedrock. The vegetation is dominated by <i>Artemisia bigelovii</i>, but other shrub species are always present, including <i>Atriplex confertifolia, Ephedra torreyana, Gutierrezia sarothrae, Purshia stansburiana</i>, and <i>Yucca harrimaniae</i>. The total cover of the associated shrubs may exceed that of <i>Artemisia bigelovii</i>. The herbaceous understory is sparse, rarely exceeding 5-10% cover, and variable from stand to stand. <i>Pleuraphis jamesii</i> is often present in the otherwise graminoid-poor understory; other herbaceous species may include <i>Arenaria fendleri, Calochortus flexuosus, Chaenactis stevioides, Oenothera pallida</i>, and <i>Rumex hymenosepalus</i>. Cryptobiotic soil crusts may have high cover. Scattered individuals of <i>Juniperus osteosperma</i> may be present. |
Comm #10003
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A.1141
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accession code: VB.CC.914.A1141
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #10004
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Quercus muehlenbergii / Schizachyrium scoparium - Bouteloua curtipendula Wooded Herbaceous Vegetation
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accession code: VB.CC.25438.QUERCUSMUEHLENB
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Midwestern Ecology Working Group... |
0
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This oak savanna (or barrens) on limestone and dolostone is found in the Ozark region of the United States. Stands occur on moderately steep to steep upper slopes of hills, ridges, and plains, and on steep slopes and bluffs along streams and rivers. Aspect can be in any direction. Soils are rapidly drained to well-drained, and very shallow to shallow (0-100 cm). The parent material is limestone, cherty limestone, or dolomite with bedrock at or near the surface. The tree canopy is very open, sometimes somewhat stunted or limby, and occasionally complex in pattern due to the bedrock influence. Typical tree canopy species include Quercus muehlenbergii, Fraxinus americana, and Juniperus virginiana. Shrubs may include Rhus aromatica, Frangula caroliniana (= Rhamnus caroliniana), Crataegus spp., or more rarely, Cotinus obovatus. Dominant ground layer species include Schizachyrium scoparium, Sorghastrum nutans, and Bouteloua curtipendula. Other characteristic species include Astragalus crassicarpus var. berlandieri (= Astragalus mexicanus), Galium arkansanum, Ophioglossum engelmannii, Polygala senega, Smilax bona-nox, and, in more western stands of the Springfield Plateau, Astragalus distortus, Berlandiera betonicifolia (= Berlandiera texana), and Erysimum capitatum. |
Comm #10005
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Abies grandis / Physocarpus malvaceus Forest
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accession code: VB.CC.34696.CEGL000277
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Western Ecology Working Group of... |
0
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This forest association occurs within the maritime-influenced climatic region of the northern Rocky Mountains from eastern Washington and Oregon to Montana. Ecoregional sections include the Okanogan Highlands, Bitterroot Mountains, Idaho Batholith, and Blue Mountains. This association occurs at 730-1310 m (2400-4300 feet) elevation on southeast- to west-facing slopes. Soils are loams and silt loams derived predominantly from granite and mica schist parent materials. <i>Pseudotsuga menziesii</i> and <i>Pinus ponderosa</i> are often dominant in early- and mid-seral stands. These fire-resistant species persist in the forest overstory and provide important large diameter stem structure in mid- and late-seral stands. Stands are characterized by the presence of a well-developed shrub layer. <i>Physocarpus malvaceus</i> is dominant. <i>Holodiscus discolor</i> and <i>Acer glabrum</i> are often associated. Common forbs include <i>Maianthemum stellatum (= Smilacina stellata), Osmorhiza berteroi (= Osmorhiza chilensis)</i>, and <i>Adenocaulon bicolor</i>. <i>Calamagrostis rubescens</i> is often well-represented and may be abundant in early-seral stands. Historic disturbance regimes in these stands were primarily frequent low- to moderate-intensity fire. |
Comm #10006
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Abies grandis / Spiraea betulifolia Forest
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accession code: VB.CC.34220.CEGL000281
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Western Ecology Working Group of... |
0
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This forest association occurs within the maritime-influenced climatic region of the northern Rocky Mountains from northeastern Oregon and Idaho. Ecoregional sections primarily include the Blue Mountains, Idaho Batholith and possibly the Bitterroot Mountains. The association represents the warmest and driest extreme for the occurrence of <i>Abies grandis</i>. Stands occur on gentle to moderately steep, south- to west-facing bench, lower- and upper-slope positions at 975-1950 m (3200-6400 feet) elevation. Soil parent materials are basalt, loess-ash, and (more rarely) granite. <i>Pseudotsuga menziesii</i> and <i>Pinus ponderosa</i> are often dominant in early- and mid-seral stands. These fire-resistant species persist in the forest overstory and provide important large diameter stem structure in mid- and late-seral stands. Stands are characterized by an open, low-shrub sward dominated by <i>Spiraea betulifolia</i>. <i>Symphoricarpos albus</i> is usually well-represented. <i>Calamagrostis rubescens</i> is often well-represented to abundant. <i>Arnica cordifolia, Chimaphila umbellata, Fragaria vesca</i>, and <i>Osmorhiza berteroi (= Osmorhiza chilensis)</i> are commonly associated herbaceous species. Historic disturbance regimes in these stands were primarily frequent low- to moderate-intensity fire. |
Comm #10007
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Abies grandis / Taxus brevifolia Forest
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accession code: VB.CC.34218.CEGL000283
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Western Ecology Working Group of... |
0
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This is an evergreen conifer forest composed of two distinct tree canopies found mostly in the north-central Rocky Mountains of Idaho and with outlier stands in adjacent Washington, Oregon and Montana. This late- to mid-seral community is dominated by <i>Abies grandis, Picea engelmannii</i>, and/or <i>Larix occidentalis</i> in the tallest canopy and <i>Taxus brevifolia</i> in a lower tree canopy 6-9 m (20-30 feet) tall. The forest canopy is closed, although the upper layer is generally open. The undergrowth is sparse and patchy and follows the pattern of canopy gaps. The most common deciduous shrub is <i>Acer glabrum</i> which can be abundant in disturbed stands. The herbaceous layer is patchy and dominated by mesic site forbs such as <i>Asarum caudatum, Anemone piperi, Clintonia uniflora</i>, and <i>Coptis occidentalis</i>. This association includes the <i>Taxus brevifolia</i> phases of <i>Abies grandis / Asarum caudatum, Abies grandis / Clintonia uniflora</i>, and <i>Abies grandis / Linnaea borealis</i> habitat types. |
Comm #10008
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CEGL000613
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accession code: VB.CC.3221.CEGL000613
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #10009
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CEGL000539
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accession code: VB.CC.3149.CEGL000539
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #10010
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CEGL000540
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accession code: VB.CC.3150.CEGL000540
NOT CURRENTLY ACCEPTED
|
EcoArt 2002 |
0
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