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CEGL002434 Salix petiolaris - (Betula pumila) / Spartina pectinata - Carex pellita Wet Shrubland

Type Concept Sentence: No Data Available


Common (Translated Scientific) Name: Meadow Willow - (Bog Birch) / Prairie Cordgrass - Woolly Sedge Wet Shrubland

Colloquial Name: Willow Wet Brush Prairie

Hierarchy Level:  Association

Type Concept: This wet brush prairie community type is found in the aspen parkland region of the upper midwestern United States and Canada, particularly in western Minnesota and southeastern Manitoba. Stands occur on level, poorly drained sites. Soils range in texture from loamy fine sand to sandy clay loam, and are often calcareous. Some stands contain seepage zones. The vegetation consists of clumps or thickets of low shrubs in a graminoid matrix of wet prairie vegetation. Some of the more important grasses include Spartina pectinata, Calamagrostis stricta, Calamagrostis canadensis, Andropogon gerardii, and Muhlenbergia richardsonis. Other grasses that may be present include Elymus trachycaulus, Deschampsia cespitosa, Panicum virgatum, Poa palustris, and Sporobolus heterolepis. Common sedges include Carex buxbaumii, Carex pellita, Carex sartwellii, and Carex tetanica. Forbs are moderately abundant and are typical of wet prairie. Shrubs include Dasiphora fruticosa ssp. floribunda, Salix discolor and Salix petiolaris. Betula pumila and Spiraea alba are common on some sites. These sites can also contain scattered saplings, or even groves, of Populus tremuloides and Populus balsamifera.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: Type concept is taken from Minnesota Natural Heritage Program type - Wet Brush-Prairie (MNNHP 1993). Rangewide review was completed with the Manitoba CDC in 1997. See ~Spartina pectinata - Calamagrostis stricta - Carex spp. Wet Meadow (CEGL002027)$$ for species of the wet prairie type that are found in the herbaceous layer of this type.

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

Physiognomy and Structure: No Data Available

Floristics: The vegetation consists of clumps or thickets of low shrubs in a graminoid matrix of wet prairie vegetation. Some of the more important grasses include Spartina pectinata, Calamagrostis stricta, Calamagrostis canadensis, Andropogon gerardii, and Muhlenbergia richardsonis. Other grasses that may be present include Elymus trachycaulus (= Agropyron trachycaulum), Deschampsia cespitosa, Panicum virgatum, Poa palustris, and Sporobolus heterolepis. Common sedges include Carex buxbaumii, Carex pellita (= Carex lanuginosa), Carex sartwellii, and Carex tetanica. Forbs are moderately abundant, and are typical of wet prairie. Shrubs include Dasiphora fruticosa ssp. floribunda (= Pentaphylloides floribunda), Salix discolor, and Salix petiolaris (= Salix gracilis). Betula pumila and Spiraea alba are common on some sites. These sites can also contain scattered saplings, or even groves, of Populus tremuloides and Populus balsamifera (MNNHP 1993).

Dynamics:  This is a fire-dependent community. Without frequent fire this type will succeed to aspen woodland, i.e., ~Populus tremuloides / Corylus spp. / Andropogon gerardii Woodland (CEGL005205)$$, or wet aspen forest, i.e., ~Populus tremuloides - Populus balsamifera / Calamagrostis canadensis - Spartina pectinata Forest (CEGL002097)$$. Infrequent fires may actually stimulate increased aspen cover, as heat from the fire stimulates aspen suckering. Lack of repeated fires allows the aspen stems to mature (MNNHP 1993).

Environmental Description:  Stands occur on level, poorly drained sites. Soils range in texture from loamy fine sand to sandy clay loam, and are often calcareous. Some stands contain seepage zones (MNNHP 1993).

Geographic Range: This wet brush prairie community type is found in the aspen parkland region of the upper midwestern United States and Canada, particularly in western Minnesota and southeastern Manitoba.

Nations: CA?,US

States/Provinces:  MB?, MN




Confidence Level: Moderate

Confidence Level Comments: No Data Available

Grank: G3

Greasons: No Data Available


Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: = Salix petiolaris - (Betula pumila) / Spartina pectinata - Carex pellita Shrubland (Faber-Langendoen 2001)
> Wet Brush-Prairie (MNNHP 1993)
> Wet Brush-Prairie Seepage Subtype (MNNHP 1993)

Concept Author(s): Minnesota NHP (1993)

Author of Description: D. Faber-Langendoen

Acknowledgements: No Data Available

Version Date: 12-17-98

  • Faber-Langendoen, D., editor. 2001. Plant communities of the Midwest: Classification in an ecological context. Association for Biodiversity Information, Arlington, VA. 61 pp. plus appendix (705 pp.).
  • Greenall, J. A. 1996. Manitoba''s terrestrial plant communities. MS Report 96-02. Manitoba Conservation Data Centre, Winnipeg.
  • MNNHP [Minnesota Natural Heritage Program]. 1993. Minnesota''s native vegetation: A key to natural communities. Version 1.5. Minnesota Department of Natural Resources, Natural Heritage Program, St. Paul, MN. 110 pp.
  • Midwestern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Minneapolis, MN.
  • Minnesota DNR [Minnesota Department of Natural Resources]. 2003-2005a. Field guide to the native plant communities of Minnesota. Three volumes: The Laurentian Mixed Forest Province (2003), The Eastern Broadleaf Forest Province (2005c), The Prairie Parkland and Tallgrass Aspen Parklands provinces (2005b). Ecological Land Classification Program, Minnesota County Biological Survey, and Natural Heritage and Nongame Research Program. Minnesota Department of Natural Resources, St. Paul.
  • Minnesota DNR [Minnesota Department of Natural Resources]. 2005b. Field guide to the native plant communities of Minnesota: The Prairie Parkland and Tallgrass Aspen Parklands provinces. Ecological Land Classification Program, Minnesota County Biological Survey, and Natural Heritage and Nongame Research Program. Minnesota Department of Natural Resources, St. Paul.