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CEGL001416 Artemisia arbuscula ssp. longiloba / Pseudoroegneria spicata Shrub Grassland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Alkali Sagebrush / Bluebunch Wheatgrass Shrub Grassland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This alkali sagebrush / bluebunch wheatgrass shrub herbaceous vegetation is known from Fossil Butte National Monument and Gros Ventre Range in western Wyoming and south into North Park, Colorado. Stands occur on flats, buttes and ridges. The sites are flat to steep (up to 21° slopes) and occur between 2100 and 2440 m (7000-8000 feet) elevation. The unvegetated surface has low to moderate exposure of bare soil, moderate cover of small rocks, and low cover of large rocks, litter, and downed wood. Soils are well-drained to poorly drained (clay pan) and fine-textured. Vegetation is characterized by a sparse to open shrub canopy dominated by Artemisia arbuscula ssp. longiloba with the understory dominated by Pseudoroegneria spicata with up to 15% cover. Associated shrubs include low cover of Atriplex confertifolia, Chrysothamnus viscidiflorus, Krascheninnikovia lanata, Eriogonum microthecum, Artemisia frigida, and Artemisia tridentata ssp. vaseyana. The remaining herbaceous layer is moderately diverse and contributes sparse to low cover. Common species include Achillea millefolium, Astragalus jejunus, Crepis intermedia, Elymus elymoides, Eriogonum spp., Phlox hoodii, Poa secunda, and Stenotus acaulis.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: No Data Available
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: This association is characterized by a sparse to open shrub canopy dominated by Artemisia arbuscula ssp. longiloba with the understory dominated by Pseudoroegneria spicata with up to 15% cover. Associated shrubs include Atriplex confertifolia, Chrysothamnus viscidiflorus, Krascheninnikovia lanata, Eriogonum microthecum, Artemisia frigida, and Artemisia tridentata ssp. vaseyana. The remaining herbaceous layer is moderately diverse and contributes sparse to low cover. Common species include Achillea millefolium, Astragalus jejunus, Crepis intermedia, Elymus elymoides, Eriogonum brevicaule, Eriogonum ovalifolium, Eriogonum umbellatum, Phlox hoodii, Poa secunda, and Stenotus acaulis.
Dynamics: No Data Available
Environmental Description: This shrub herbaceous vegetation is known from Fossil Butte National Monument and Gros Ventre Range in western Wyoming and south into North Park, Colorado. Stands occur on flats, buttes and ridges. The sites are flat to steep (up to 21° slopes), occur between 2100 and 2440 m (7000-8000 feet) elevation, and are oriented to the north, west, or southeast. The unvegetated surface has low to moderate exposure of bare soil, moderate cover of small rocks, and low cover of large rocks, litter, and downed wood. Substrates are often shallow, well-drained to poorly drained (clay pan), fine-textured soils derived from the Wasatch Formation or Coalmont Formation shales.
Geographic Range: This association occurs in Fossil Butte National Monument and Gros Ventre Range in western Wyoming, in North Park, Colorado, and is likely more widespread in the intermountain western U.S.
Nations: US
States/Provinces: CO, MT, WY
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.683310
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: GNR
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 3 Desert & Semi-Desert Class | C03 | 3 |
| Subclass | 3.B Cool Semi-Desert Scrub & Grassland Subclass | S11 | 3.B |
| Formation | 3.B.1 Cool Semi-Desert Scrub & Grassland Formation | F033 | 3.B.1 |
| Division | 3.B.1.Ne Western North American Cool Semi-Desert Scrub & Grassland Division | D040 | 3.B.1.Ne |
| Macrogroup | 3.B.1.Ne.2 Little Sagebrush - Black Sagebrush - Scabland Sagebrush Steppe & Shrubland Macrogroup | M170 | 3.B.1.Ne.2 |
| Group | 3.B.1.Ne.2.b Little Sagebrush - Bigelow''s Sagebrush - Black Sagebrush Steppe & Shrubland Group | G308 | 3.B.1.Ne.2.b |
| Alliance | A3221 Alkali Sagebrush Steppe & Shrubland Alliance | A3221 | 3.B.1.Ne.2.b |
| Association | CEGL001416 Alkali Sagebrush / Bluebunch Wheatgrass Shrub Grassland | CEGL001416 | 3.B.1.Ne.2.b |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Artemisia longiloba / Agropyron spicata Habitat Type (Bramble-Brodahl 1978)
< Artemisia longiloba Series (Jones 1992b) [Jones cites Artemisia longiloba / Agropyron spicata Habitat Type in Bramble-Brodahl (1978) classification of sagebrush of Gros Ventre Range.]
< Coalmont Claypan Resource Type (Terwilliger and Smith 1978)
< Artemisia longiloba Series (Jones 1992b) [Jones cites Artemisia longiloba / Agropyron spicata Habitat Type in Bramble-Brodahl (1978) classification of sagebrush of Gros Ventre Range.]
< Coalmont Claypan Resource Type (Terwilliger and Smith 1978)
- Bourgeron, P. S., and L. D. Engelking, editors. 1994. A preliminary vegetation classification of the western United States. Unpublished report. The Nature Conservancy, Western Heritage Task Force, Boulder, CO. 175 pp. plus appendix.
- Bramble-Brodahl, M. K. 1978. Classification of Artemisia vegetation in the Gros Ventre area, Wyoming. M.S. thesis, University of Idaho, Moscow.
- CNHP [Colorado Natural Heritage Program]. 2006-2017. Tracked natural plant communities. Colorado Natural Heritage Program, Colorado State University, Fort Collins. [https://cnhp.colostate.edu/ourdata/trackinglist/plant_communities/]
- Friesen, B. A., S. Blauer, K. Landgraf, J. Von Loh, J. Coles, K. Schulz, A. Tendick, A. Wight, G. Wakefield, and A. Evenden. 2010. Vegetation classification and mapping project report, Fossil Butte National Monument. Natural Resource Technical Report NPS/NCPN/NRTR--2010/319. National Park Service, Fort Collins, CO. 552 pp. [http://biology.usgs.gov/npsveg/fobu/foburpt.pdf]
- Jones, G. 1992b. Wyoming plant community classification (Draft). Wyoming Natural Diversity Database, Laramie, WY. 183 pp.
- MTNHP [Montana Natural Heritage Program]. 2002b. List of ecological communities for Montana. Montana Natural Heritage Program, Montana State Library, Helena, MT.
- Terwilliger, C., Jr., and E. L. Smith. 1978. Range resource types in North Park, Colorado. Colorado State University Range Science Department Science Series 32. 48 pp.
- WNDD [Wyoming Natural Diversity Database]. No date. Unpublished data on file. Wyoming Natural Diversity Database, University of Wyoming, Laramie, WY.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.