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Carex lacustris Midwest Wet Meadow
Translated Name: Lake Sedge Midwest Wet Meadow
Common Name: Midwest Lake Sedge Wet Meadow
Unique Identifier: CEGL002256
Classification Approach: International Vegetation Classification (IVC)
Summary: This broad-leaved wet sedge meadow type occurs in the central midwestern region of the United States. The vegetation is dominated by tall sedges. Shrubs may have up to 25% cover. Carex lacustris forms almost mono-dominant stands. Other graminoid associates include Calamagrostis canadensis, Carex stricta, Muhlenbergia glomerata, and occasionally, Spartina pectinata. Typha latifolia or Sagittaria spp. are occasional codominants. Common forb associates at low cover include Doellingeria umbellata, Eutrochium maculatum, Impatiens capensis, Polygonum sagittatum, Solidago canadensis, and Verbena hastata. Shrub associates include Cornus amomum, Cornus foemina, Cornus sericea, Physocarpus opulifolius, Rosa palustris, Spiraea alba, and Viburnum lentago. Stands occur on floodplains, shallow bays of lakes and streams, and upland depressions. Soils are mineral or well-decomposed peat. Flooding is variable but typically is seasonal.



Classification

Classification Confidence: Low - Poorly Documented
Classification Comments: Further characterization of this type is needed to determine whether it is a good type, as it overlaps with Carex stricta - Carex spp. Wet Meadow (CEGL002258), though this type is broad-leaved, whereas that type is narrow-leaved. Currently, it is more or less excluded from the Great Plains and occurs in the western tallgrass prairie region, eastward across the central Midwest to western Ohio. Its northern and eastern counterpart is Carex utriculata - Carex lacustris - (Carex vesicaria, Carex stricta) Wet Meadow (CEGL002257). It may represent a mono-dominant variant of a more broadly defined mixed broad-leaved sedge type (e.g., Bakowsky and Lee 1996). Apparently in Ohio, stands can be very large, especially in northeastern Ohio. Carex hyalinolepis can also occur over large areas in Ohio (Greg Schneider pers. comm. 1996).

Vegetation Hierarchy
Class 2 - Shrub & Herb Vegetation
Subclass 2.C - Shrub & Herb Wetland
Formation 2.C.4 - Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland
Division 2.C.4.Nd - Eastern North American Temperate & Boreal Freshwater Marsh, Wet Meadow & Shrubland
Macrogroup Eastern North American Marsh, Wet Meadow & Shrubland
Group Midwest Wet Prairie, Wet Meadow & Shrub Swamp
Alliance Midwest Sedge - Bluejoint Wet Meadow

This is the revised vegetation hierarchy. For more information see Classification Sources and usnvc.org.

Similar Associations
Unique Identifier Name
CEGL002257 Carex utriculata - Carex lacustris - (Carex vesicaria, Carex stricta) Wet Meadow
CEGL002258 Carex stricta - Carex spp. Wet Meadow



Related Concepts from Other Classifications

Related Subnational Community Units
These data are subject to substantial ongoing revision and may be out of date for some states.
In the U.S., contact the state Heritage Program for the most complete and up-to-date information at: http://www.natureserve.org/natureserve-network.
Information from programs in other jurisdictions will be posted when they are made available.
Subnation Concept Name Relationship to Standard Confidence Reference
Illinois Marsh Broader   White and Madany 1978
Indiana Wetland - marsh Broader   Homoya et al. 1988
Iowa Lake Sedge Marsh Equivalent Certain INAI 2017
Minnesota Sedge Meadow Type Broader   Minnesota DNR 2005
Minnesota Sedge Meadow; Lake Sedge Subtype Finer   Minnesota DNR 2005
Minnesota Seepage Meadow/Carr Type Broader   Minnesota DNR 2005
Minnesota Seepage Meadow/Carr; Aquatic Sedge Subtype Broader   Minnesota DNR 2005
Ohio Mixed emergent marsh Broader   ONHD unpubl. data
West Virginia Carex lacustris Fen Equivalent Certain WVNHP unpubl. data
Wisconsin Northern sedge meadow Broader   WNHI 2011
Wisconsin Southern sedge meadow Broader   WNHI 2011


Other Related Concepts
Related Concept Name: Carex lacustris Herbaceous Vegetation
Relationship: = - Equivalent
Reference: 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.).

Ecological Systems Placement

Ecological Systems Placement
Ecological System Unique ID Ecological System Name
CES201.582 Laurentian-Acadian Wet Meadow-Shrub Swamp
CES202.069 High Allegheny Wetland
CES202.701 North-Central Interior Wet Meadow-Shrub Swamp
CES205.687 Eastern Great Plains Wet Meadow, Prairie and Marsh


NatureServe Conservation Status
Global Status: G4G5 (03Oct1996)
Rounded Global Status: G4 - Apparently Secure

Distribution
Color legend for Distribution Map
United States Distribution: IA, IL, IN, MN, OH, WI, WV
Canadian Province Distribution: MB
Global Distribution: Canada, United States
Global Range: This broad-leaved wet sedge meadow type occurs in the midwestern region of the United States, extending into Manitoba, Canada.

U.S. Forest Service Ecoregions
Domain Name: Humid Temperate Domain
Division Name: Warm Continental Division
Province Name: Laurentian Mixed Forest Province
Province Code: 212 Occurrence Status: Confident or certain
Section Name: Northern Great Lakes Section
Section Code: 212H Occurrence Status: Predicted or probable
Section Name: Southern Superior Uplands Section
Section Code: 212J Occurrence Status: Predicted or probable
Section Name: Western Superior Uplands Section
Section Code: 212K Occurrence Status: Confident or certain
Section Name: Northern Minnesota and Ontario Section
Section Code: 212M Occurrence Status: Predicted or probable
Section Name: Northern Minnesota Drift and Lake Plains Section
Section Code: 212N Occurrence Status: Confident or certain
Division Name: Hot Continental Division
Province Name: Eastern Broadleaf Forest (Oceanic) Province
Province Code: 221 Occurrence Status: Confident or certain
Section Name: Lower New England Section
Section Code: 221A Occurrence Status: Confident or certain
Section Name: Hudson Valley Section
Section Code: 221B Occurrence Status: Confident or certain
Province Name: Eastern Broadleaf Forest (Continental) Province
Province Code: 222 Occurrence Status: Confident or certain
Section Name: Southeastern Great Lakes Section
Section Code: 222J Occurrence Status: Confident or certain
Section Name: Southwestern Great Lakes Morainal Section
Section Code: 222K Occurrence Status: Confident or certain
Section Name: North Central U.S. Driftless and Escarpment Section
Section Code: 222L Occurrence Status: Confident or certain
Section Name: Minnesota and Northeast Iowa Morainal Section
Section Code: 222M Occurrence Status: Confident or certain
Section Name: Lake Modified Till Section
Section Code: 222N Occurrence Status: Confident or certain
Division Name: Prairie Division
Province Name: Prairie Parkland (Temperate) Province
Province Code: 251 Occurrence Status: Confident or certain
Section Name: Red River Valley Section
Section Code: 251A Occurrence Status: Confident or certain


Vegetation

Vegetation Summary: Carex lacustris forms almost mono-dominant stands. Other graminoid associates include Calamagrostis canadensis, Carex stricta, Muhlenbergia glomerata, and occasionally, Spartina pectinata. Typha latifolia or Sagittaria spp. are occasional codominants. Common forb associates at low cover include Doellingeria umbellata (= Aster umbellatus), Eutrochium maculatum (= Eupatorium maculatum), Impatiens capensis, Polygonum sagittatum, Solidago canadensis, and Verbena hastata (E. Epstein pers. comm. 1999, Cohen et al. 2015). Shrub associates include Cornus amomum, Cornus foemina, Cornus sericea, Physocarpus opulifolius, Rosa palustris, Spiraea alba, and Viburnum lentago.

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Charact-
eristic
Dominant Constant
Cover Class %
Con-
stancy
%
Polemonium vanbruntiae G4 Flowering forb Herb (field)      
 
 
Carex lacustris G4 Graminoid Herb (field)  
 
 


At-Risk Species Reported for this Association
Scientific Name
  (Common Name)
NatureServe Global Status U.S. Endangered Species Act Status
Polemonium vanbruntiae
  (Bog Jacob's-ladder)
G3G4  
Vegetation Structure Summary: The vegetation is dominated by tall sedges. Shrubs may have up to 25% cover; trees up to 10% cover.


Environmental Setting

Wetland Indicator: Y
Environmental Summary: Stands occur on floodplains, shallow bays of lakes and streams, and upland depressions. Soils are mineral or well-decomposed peat. Flooding is variable but typically is seasonal.


Dynamic Processes


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): D. Faber-Langendoen (2001)
Element Description Edition Date: 26Oct2018
Element Description Author(s): D. Faber-Langendoen
NatureServe Conservation Status Factors Edition Date: 03Oct1996

Ecological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).


References
  • Bakowsky, W. D., and H. T. Lee. 1996. Vegetation communities of southern Ontario (draft). Ontario Natural Heritage Information Centre and Southern Region STTU, Ontario Ministry of Natural Resources, Peterborough, Ontario. 87 pp.

  • Cohen, J. G., M. A. Kost, B. S. Slaughter, and D. A. Albert. 2015. A field guide to the natural communities of Michigan. Michigan State University Press, East Lansing, MI. 362 pp.

  • Epstein, Eric. Personal communication. Community Ecologist, Wisconsin Natural Heritage Program, Madison, WI.

  • 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.

  • Hop, K., J. Drake, A. Strassman, E. Hoy, J. Jakusz, S. Menard, and J. Dieck. 2013. National Park Service Vegetation Inventory Program: Cuyahoga Valley National Park, Ohio. Natural Resource Technical Report NPS/HTLN/NRT--2013/792. National Park Service, Fort Collins, CO. 302 pp.

  • INAI [Iowa Natural Areas Inventory]. 2017. Vegetation classification of Iowa. Iowa Natural Areas Inventory, Iowa Department of Natural Resources, Des Moines.

  • 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.

  • ONHD [Ohio Natural Heritage Database]. No date. Vegetation classification of Ohio and unpublished data. Ohio Natural Heritage Database, Division of Natural Areas and Preserves, Ohio Department of Natural Resources, Columbus.

  • WDNR [Wisconsin Department of Natural Resources]. 2015. The ecological landscapes of Wisconsin: An assessment of ecological resources and a guide to planning sustainable management. PUB-SS-1131 2015. Wisconsin Department of Natural Resources, Madison. [http://dnr.wi.gov/topic/landscapes/Book.html]

  • White, J., and M. Madany. 1978. Classification of natural communities in Illinois. Pages 311-405 in: Natural Areas Inventory technical report: Volume I, survey methods and results. Illinois Natural Areas Inventory, Urbana, IL.


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