Name:
Pinus ponderosa / Cercocarpus montanus Woodland
Reference:
Western Ecology Working Group of...
Description:
This <i>Pinus ponderosa</i> woodland occurs on dry rocky slopes in the southern Rocky Mountains and upper plateaus of southern Utah, from 1700 to 2710 m (5570-8900 feet) elevation. Typically, this association occurs just above the shrubland zone on shallow, rocky, poorly developed soils. Aspects are predominately south-, southeast-, and southwest-facing slopes that are moderate to steep (18-60%). This association is an open woodland with scattered <i>Pinus ponderosa</i> trees, generally with less than 50% cover, over a matrix of shrubs. <i>Juniperus scopulorum</i> and <i>Pseudotsuga menziesii</i> individuals may be present. The community is strongly dominated by <i>Cercocarpus montanus</i>. Other shrubs present may include <i>Acer grandidentatum, Arctostaphylos patula, </i><i>Artemisia frigida, </i><i>Ceanothus martinii</i><i>,</i><i> Rhus trilobata, Ribes cereum, Purshia tridentata, Quercus gambelii, </i><i>Symphoricarpos oreophilus</i>, and <i>Yucca glauca</i>. Herbaceous cover ranges from 10-70%, depending on shrub density. Grasses are typically more abundant than forbs and commonly include one or more of the following species: <i>Bromus tectorum, Elymus albicans, Festuca arizonica, Carex rossii, Elymus lanceolatus, Hesperostipa comata, Bouteloua gracilis, Muhlenbergia montana</i>, and <i>Koeleria macrantha (= Koeleria cristata)</i>. Forb species include <i>Artemisia ludoviciana, Geranium caespitosum, Heterotheca villosa, Leucocrinum montanum, Allium textile, Grindelia subalpina, Argentina anserina, Cryptantha thyrsiflora</i>, and <i>Eriogonum umbellatum</i>. Exposed bedrock outcrops or bare ground are common, comprising approximately 25-35% cover.
Accession Code:
VB.CC.31168.CEGL000851
Plot-observations of this Community Concept:
0
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