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CEGL001208 Salix geyeriana / Deschampsia cespitosa Wet Shrubland

Type Concept Sentence: No Data Available

Common (Translated Scientific) Name: Geyer''s Willow / Tufted Hairgrass Wet Shrubland

Colloquial Name: No Data Available

Hierarchy Level:  Association

Type Concept: This shrubland association is currently only described from central and eastern Oregon and has been reported to occur in Montana, Idaho and Utah. Additional global information will be added as it becomes available. One Oregon plot was sampled at 1400 m (4600 feet) elevation in a low-gradient valley. Microtopography is flat on a broad, moist floodplain with an organic loam soil. The surface organic layer is 45 cm thick and the water table depth was 5 cm at the time of sampling. 90% of the soil surface was bare and 10% covered by litter. Salix geyeriana and Ribes aureum form a scattered shrub overstory. The site is on the moist end of Deschampsia cespitosa distribution and Carex nebrascensis is nearly codominant in the herbaceous layer. Other graminoids and forbs are scattered through the herbaceous layer in small amounts and may include Poa pratensis, Hordeum brachyantherum, Montia chamissoi, Potentilla gracilis, Epilobium anagallidifolium, Rudbeckia occidentalis, and Galium triflorum.

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:  This association may be the result of the accumulation of sediments and subsequent lowering of the seasonal water table on the site. If the site becomes drier it may succeed to a sagebrush or lodgepole pine association.
Environmental Description:  No Data Available
Geographic Range: This shrubland association is reported from central and eastern Oregon, Montana, Idaho and Utah.

Nations: US

States/Provinces:  ID, MT, UT


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.C Shrub & Herb Wetland Subclass S44 2.C
Formation 2.C.4 Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland Formation F013 2.C.4
Division 2.C.4.Nb Western North American Temperate Freshwater Marsh, Wet Meadow & Shrubland Division D031 2.C.4.Nb
Macrogroup 2.C.4.Nb.5 Sitka Alder - Booth''s Willow / Northwest Territory Sedge Montane Marsh, Wet Meadow & Shrubland Macrogroup M893 2.C.4.Nb.5
Group 2.C.4.Nb.5.d Willow species - Alder species - Water Birch Riparian & Seep Shrubland Group G527 2.C.4.Nb.5.d
Alliance A3769 Booth''s Willow - Geyer''s Willow - Yellow Willow Montane Wet Shrubland Alliance A3769 2.C.4.Nb.5.d
Association CEGL001208 Geyer''s Willow / Tufted Hairgrass Wet Shrubland CEGL001208 2.C.4.Nb.5.d
Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available
Synonomy: = Salix geyeriana / Deschampsia cespitosa - Carex nebrascensis Association (Crowe et al. 2004)
Concept Author(s): Crowe et al. (2004)

Author of Description: Crowe et al. (2004)

Acknowledgements: No Data Available

Version Date: 07-16-18
  • 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.
  • Crowe, E. A., B. L. Kovalchik, and M. J. Kerr. 2004. Riparian and wetland vegetation of central and eastern Oregon. Oregon Natural Heritage Information Center, Institute for Natural Resources, Oregon State University, Portland. 473 pp. [http://oregonstate.edu/ornhic/ publications.html]
  • IDCDC [Idaho Conservation Data Center]. 2005. Wetland and riparian plant associations in Idaho. Idaho Conservation Data Center, Idaho Department of Fish and Game, Boise. [http://fishandgame.idaho.gov/tech/CDC/ecology/wetland_riparian_assoc.cfm] (accessed 14 June 2005).
  • Jensen, S. E., and J. S. Tuhy. 1981. Soils investigation of riparian communities of East Smiths Fork and Henrys Fork drainages, North Slope Uinta Mountains, Utah. Unpublished report presented to USDA Forest Service, Ogden, UT. 35 pp.
  • MTNHP [Montana Natural Heritage Program]. 2002b. List of ecological communities for Montana. Montana Natural Heritage Program, Montana State Library, Helena, MT.
  • MTNHP [Montana Natural Heritage Program]. No date. Unpublished data on file. Montana Natural Heritage Program, Helena, MT.
  • Padgett, W. G., A. P. Youngblood, and A. H. Winward. 1988b. Riparian community type classification of Utah. Publication R4-ECOL-88-01. USDA Forest Service, Forest and Range Experiment Station, Ogden, UT.
  • Padgett, W. G., A. P. Youngblood, and A. H. Winward. 1989. Riparian community type classification of Utah and southeastern Idaho. Research Paper R4-ECOL-89-0. USDA Forest Service, Intermountain Forest and Range Experiment Station, Ogden, UT.
  • Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.