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CEGL001784 Eriogonum compositum / Poa secunda Dwarf-shrub Grassland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Arrowleaf Buckwheat / Sandberg Bluegrass Dwarf-shrub Grassland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This type is associated with shallow soils in the steppe zones of the Columbia Basin of Washington and Oregon. This is an open to sparsely vegetated short grassland dominated by Poa secunda with an open dwarf-shrub layer of Eriogonum compositum. It is typically found within Festuca idahoensis steppe landscapes and associated with other lithosolic associations.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: The primary reference is Daubenmire 1970 who described it, without any plots, as being restricted to grasslands in the eastern Columbia River Gorge. WANHP surveys found it in the Palouse Prairie as well. This is as legitimate as all the other dwarf-shrubby buckwheat lithosolic types.
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 association occurs on shallow soils in the steppe zones of the Columbia Basin of Washington and Oregon, primarily in Klickitat County and adjacent Wasco and Sherman counties in Oregon. Daubenmire (1970) indicates this is in the Festuca idahoensis - Hieracium cynoglossoides zone (eastern Columbia River Gorge).
Nations: US
States/Provinces: ID?, OR, WA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.687822
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: G2
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.a Scabland Sagebrush - Buckwheat species Dwarf-shrubland & Steppe Group | G307 | 3.B.1.Ne.2.a |
| Alliance | A1568 Buckwheat species / Sandberg Bluegrass Dwarf-shrub Steppe Alliance | A1568 | 3.B.1.Ne.2.a |
| Association | CEGL001784 Arrowleaf Buckwheat / Sandberg Bluegrass Dwarf-shrub Grassland | CEGL001784 | 3.B.1.Ne.2.a |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Eriogonum compositum - Poa secunda Habitat Type (Daubenmire 1970)
- 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.
- Daubenmire, R. F. 1970. Steppe vegetation of Washington. Washington State University Agricultural Experiment Station Technical Bulletin No. 62. 131 pp.
- Erixson, J., D. Cogan, and J. Von Loh. 2011b. Vegetation inventory project report: Lake Roosevelt National Recreation Area. Natural Resource Report NPS/UCBN/NRR--2011/434 National Park Service, Fort Collins, CO.
- Kagan, J. S., J. A. Christy, M. P. Murray, and J. A. Titus. 2004. Classification of native vegetation of Oregon. January 2004. Oregon Natural Heritage Information Center, Portland. 52 pp.
- WNHP [Washington Natural Heritage Program]. 2018. Unpublished data files. Washington Natural Heritage Program, Department of Natural Resources, Olympia, WA.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.