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Jamesia americana - (Physocarpus monogynus, Holodiscus dumosus) Rock Outcrop Shrubland | Western Ecology Working Group of...
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Name: Jamesia americana - (Physocarpus monogynus, Holodiscus dumosus) Rock Outcrop Shrubland Reference: Western Ecology Working Group of... Description: This foothill and montane rock outcrop shrubland is found in the southern Rocky Mountains from central Colorado to northern New Mexico. Many of these sites are small, but some of the best examples grow from very large cliff faces on the upper shoulders of large hills. Sites are moderately steep to very steep with cooler northerly aspects at lower elevations and warmer southerly aspects at higher elevations, which range from 1890 and 2715 m (6210-8900 feet). Substrates are dominated by various rock types , such as bedrock outcrop, boulders, and talus. Vegetation is characterized by open to dense stands of mesic forest shrubs that are variously dominated by <i>Jamesia americana, Physocarpus monogynus, Holodiscus dumosus</i>, and <i>Philadelphus microphyllus</i>. Scattered trees may be present, including <i>Abies concolor</i> and <i>Pseudotsuga menziesii</i> saplings and mature trees, but cover is less than 5%. Many other shrubs may be present, such as <i>Rubus deliciosus</i> and <i>Ribes cereum</i>. However, <i>Quercus gambelii</i> and <i>Acer glabrum</i> are poorly represented or absent. The herbaceous layer is variable and may be sparse to moderately dense. Common species include <i>Bouteloua gracilis, Muhlenbergia montana</i>, and <i>Poa fendleriana</i> often well-represented along with seeded <i>Bromus inermis</i> and <i>Festuca idahoensis</i>. Forbs can also be well-represented and typically include <i>Artemisia dracunculus</i> or <i>Artemisia ludoviciana</i>.  Accession Code: VB.CC.31801.CEGL002783 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684890 NatureServe Explorer   Translated: Five-petal Cliffbush - (Mountain Ninebark, Rockspirea) Rock Outcrop Shrubland   Code: CEGL002783   Scientific: Jamesia americana - (Physocarpus monogynus, Holodiscus dumosus) Rock Outcrop Shrubland