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CEGL001700 Hesperostipa comata - Carex filifolia Grassland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Needle-and-Thread - Threadleaf Sedge Grassland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This association is currently only described from Bighorn Canyon National Recreation Area, Montana. Additional global information will be added as it becomes available. The sampled site is a low gentle slope (1%). Soils are xeric and well-drained, with a soil texture of loamy sand. Bare ground and litter are the dominant features of the unvegetated layer at these sites, with 42 and 50% cover, respectively. Hesperostipa comata and Carex filifolia are the dominant graminoids, though the short-statured native annual Vulpia octoflora is also common. Total cover for the herbaceous layer is 50-75%. Yucca glauca and Gutierrezia sarothrae are two dwarf-shrub species also commonly encountered.
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: No Data Available
Dynamics: No Data Available
Environmental Description: No Data Available
Geographic Range: This grassland association is currently only known from Montana.
Nations: US
States/Provinces: MT
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.687052
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G4
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 2 Shrub & Herb Vegetation Class | C02 | 2 |
| Subclass | 2.B Temperate & Boreal Grassland & Shrubland Subclass | S18 | 2.B |
| Formation | 2.B.2 Temperate Grassland & Shrubland Formation | F012 | 2.B.2 |
| Division | 2.B.2.Nb Central North American Grassland & Shrubland Division | D023 | 2.B.2.Nb |
| Macrogroup | 2.B.2.Nb.2 Needle-and-Thread - Western Wheatgrass - Plains Rough Fescue Grassland Macrogroup | M051 | 2.B.2.Nb.2 |
| Group | 2.B.2.Nb.2.b Needle-and-Thread - Blue Grama Dry Mixedgrass Prairie Group | G331 | 2.B.2.Nb.2.b |
| Alliance | A4389 Needle-and-Thread Northern Dry Grassland Alliance | A4389 | 2.B.2.Nb.2.b |
| Association | CEGL001700 Needle-and-Thread - Threadleaf Sedge Grassland | CEGL001700 | 2.B.2.Nb.2.b |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Hesperostipa comata - Carex filifolia Herbaceous Vegetation (Needle-and-Thread - Threadleaf Sedge Herbaceous Vegetation) (Stevens et al. 2015)
- 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.
- Hansen, P. L. 1985. An ecological study of the vegetation of the Grand River/Cedar River, Sioux, and Ashland districts of the Custer National Forest. Unpublished dissertation, South Dakota State University. 257 pp.
- MTNHP [Montana Natural Heritage Program]. 2002b. List of ecological communities for Montana. Montana Natural Heritage Program, Montana State Library, Helena, MT.
- Stevens, J. E., D. S. Jones, and K. J. Benner. 2015. Vegetation classification and mapping project report: Bighorn Canyon National Recreation Area. Natural Resource Report NPS/GRYN/NRR--2015/1070. National Park Service, Fort Collins, CO. 350 pp.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.