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Carex interior - Carex lurida - Parnassia grandifolia Seepage Fen Group | NatureServe Biotics 2019
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Name: Carex interior - Carex lurida - Parnassia grandifolia Seepage Fen Group
Reference: NatureServe Biotics 2019
Description: The vegetation of this group ranges from the Ozarks region and Interior Plateau as far east as southern Ohio. Examples occur on the sideslopes of hills in narrow valleys, bases of bluffs, rock ledges, and terraces of streams and rivers, where the soil or substrate is saturated by calcareous groundwater seepage. Soils are moist to wet, mucky peat or mineral and are moderately deep to shallow. Some examples contain a thin organic layer over limestone gravel, over a less permeable layer of more solid rock and have exposed bedrock, especially in hanging fens with a slope greater than 35°. The parent material is a mixture of gravel, limestone, and dolomite with fragments of deeply weathered bedrock present, or colluvium over bedrock. Hydrophytic plants dominate the fen, which varies from mixed grass or sedge fen to more tallgrass prairie species mixed with calciphiles. Characteristic herbaceous species include <i>Cardamine bulbosa, Carex interior, Carex leptalea, Carex lurida, Impatiens capensis, Osmunda</i> spp., <i>Parnassia grandifolia, Rudbeckia fulgida var. umbrosa, Scirpus atrovirens, Scirpus cyperinus, Spartina pectinata</i>, and <i>Thelypteris palustris var. pubescens</i>. Mesic prairie grasses include <i>Andropogon gerardii</i> and <i>Sorghastrum nutans</i>. Shrubs such as <i>Alnus serrulata</i> and <i>Salix</i> spp. may occur on some examples of this group. Fires are possible in some of the larger prairie fens. 
Accession Code: urn:lsid:vegbank.org:commConcept:39985-{E355A295-8579-4CA3-B332-35FB207D5ADC}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 19-May-2015 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.836875 NatureServe ExplorerNatureServe Explorer logo
  Code: G182
  Scientific: Carex interior - Carex lurida - Parnassia grandifolia Seepage Fen Group