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CEGL002256 Carex lacustris Midwest Wet Meadow
Type Concept Sentence: This sedge meadow type is dominated by Carex lacustris and occurs in the central midwestern region of the United States and adjacent Canada. Stands occur on floodplains, shallow bays of lakes and streams, and upland depressions, and soils are mineral or well-decomposed peat.
Common (Translated Scientific) Name: Lake Sedge Midwest Wet Meadow
Colloquial Name: Midwest Lake Sedge Wet Meadow
Hierarchy Level: Association
Type Concept: 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.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
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)$$, though this type is broad-leaved, whereas that type is narrow-leaved. Currently, it is more or less excluded from the Great Plains and occurs in the Midwest, from the western tallgrass prairie region, eastward to western Ohio. Its northern and eastern counterpart is ~Carex utriculata - Carex lacustris - (Carex vesicaria, Carex stricta) Wet Meadow (CEGL002257)$$. 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). In West Virginia, Carex lacustris stands are assigned to CEGL008287.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: The vegetation is dominated by tall sedges. Shrubs may have up to 25% cover; trees up to 10% cover.
Floristics: 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.
Dynamics: No Data Available
Environmental Description: 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.
Geographic Range: This broad-leaved wet sedge meadow type occurs in the midwestern region of the United States, extending into southeast Manitoba, Canada.
Nations: CA,US
States/Provinces: IA, IL, IN, MB, MN, OH, WI
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.686101
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G4G5
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.Nd Eastern North American Temperate Freshwater Marsh, Wet Meadow & Shrubland Division | D323 | 2.C.4.Nd |
| Macrogroup | 2.C.4.Nd.2 Broadleaf Cattail - White Snakeroot - Rush species Marsh, Wet Meadow & Shrubland Macrogroup | M069 | 2.C.4.Nd.2 |
| Group | 2.C.4.Nd.2.e Prairie Cordgrass - Bluejoint - Sedge species Midwest Wet Prairie, Wet Meadow & Shrub Swamp Group | G770 | 2.C.4.Nd.2.e |
| Alliance | A4105 Sedge species - Canada Bluejoint Midwest Wet Meadow Alliance | A4105 | 2.C.4.Nd.2.e |
| Association | CEGL002256 Lake Sedge Midwest Wet Meadow | CEGL002256 | 2.C.4.Nd.2.e |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Carex lacustris Herbaceous Vegetation (Faber-Langendoen 2001) [Sedge Meadow Lake Sedge Subtype]
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