Print Report

CEGL005598 Juniperus (osteosperma, scopulorum) / Artemisia tridentata ssp. wyomingensis - Chamaebatiaria millefolium Woodland

Type Concept Sentence: No Data Available


Common (Translated Scientific) Name: (Utah Juniper, Rocky Mountain Juniper) / Wyoming Big Sagebrush - Desert-sweet Woodland

Colloquial Name: No Data Available

Hierarchy Level:  Association

Type Concept: The vegetation in this association is characterized by an open tree canopy dominated by Juniperus osteosperma and/or Juniperus scopulorum. Tree canopy cover values are more than 5%, but are typically less than 20%, and canopy height is usually 2-10 m. Artemisia tridentata ssp. wyomingensis and Chamaebatiaria millefolium dominate the sparse to moderately dense shrub layer. Other shrubs, such as Purshia tridentata, Ericameria nauseosa, or Ericameria nana, may be present but generally with low cover. The sparse herbaceous layer is dominated by graminoids, including Poa secunda and the introduced annual Bromus tectorum. Associated forbs may include Chaenactis douglasii, Linanthus pungens, as well as other perennial and/or annual species. Forb cover is generally low and varies annually depending on precipitation levels. This association is included in ~Inter-Mountain Basins Volcanic Rock and Cinder Land (CES304.791)$$, which is limited to barren and sparsely vegetated volcanic substrates of basalt and basaltic andesite origin, including tuffs, cinder cones, spatter cones, pressure plateaus, or cinder fields. It may occur in large-patch, small-patch or linear spatial patterns. This association has the potential to occur throughout the intermountain western U.S.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: This plant community description is based on data from Craters of the Moon (Bell et al. 2009) and on related plant communities that have been previously described. The description provided herein may vary slightly from similar plant communities found elsewhere due to the local scale at which data were collected. Additional global information will be added as it becomes available.

Similar NVC Types: No Data Available
note: No Data Available

Physiognomy and Structure: No Data Available

Floristics: The vegetation in this association is characterized by an open tree canopy dominated by Juniperus osteosperma and/or Juniperus scopulorum. Tree canopy cover values are more than 5%, but are typically less than 20%, and canopy height is usually 2-10 m. Artemisia tridentata ssp. wyomingensis and Chamaebatiaria millefolium dominate the sparse to moderately dense shrub layer. Other shrubs, such as Purshia tridentata, Ericameria nauseosa, or Ericameria nana, may be present but generally with low cover. The sparse herbaceous layer is dominated by graminoids, including Poa secunda and the introduced annual Bromus tectorum. Associated forbs may include Chaenactis douglasii, Linanthus pungens (= Leptodactylon pungens), as well as other perennial and/or annual species. Forb cover is generally low and varies annually depending on precipitation levels. It may occur in large-patch, small-patch or linear spatial patterns.

Dynamics:  Fires in this association are thought to be infrequent because smaller Juniperus osteosperma and Artemisia tridentata are easily killed by burns and do not resprout. In addition, many stands have an open canopy with insufficient understory to carry fire. This community may show immense variability in annual forb cover. Grazing, precipitation and other factors are likely to influence the presence and/or absence of annuals and invasives.

Environmental Description:  This association is included in ~Inter-Mountain Basins Volcanic Rock and Cinder Land (CES304.791)$$, which is limited to barren and sparsely vegetated volcanic substrates of basalt and basaltic andesite origin, including tuffs, cinder cones, spatter cones, pressure plateaus, or cinder fields.

Geographic Range: This association has the potential to occur throughout the range of ~Inter-Mountain Basins Volcanic Rock and Cinder Land (CES304.791)$$, which occurs throughout the intermountain western U.S. and is limited to barren and sparsely vegetated volcanic substrates.

Nations: US

States/Provinces:  ID




Confidence Level: Low - Poorly Documented

Confidence Level Comments: No Data Available

Grank: GNR

Greasons: No Data Available


Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: = Juniper (Utah, Rocky Mountain) / Wyoming Big Sagebrush - Fernbush Woodland (Juniperus (osteosperma, scopulorum) / Artemisia tridentata ssp. wyomingensis - Chamaebatiaria millefolium Woodland) (Bell et al. 2009)

Concept Author(s): Bell et al. (2009)

Author of Description: Bell et al. (2009)

Acknowledgements: No Data Available

Version Date: 04-04-17

  • Bell, J., D. Cogan, J. Erixson, and J. Von Loh. 2009. Vegetation inventory project report, Craters of the Moon National Monument and Preserve. Natural Resource Technical Report NPS/UCBN/NRTR-2009/277. National Park Service, Fort Collins, CO. 358 pp.
  • Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.