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A.1415 | EcoArt 2002
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Name: A.1415
Reference: EcoArt 2002
Description: Vegetation types within this seasonally flooded, temperate or subpolar grassland alliance are associated with meadows, basins, glacial kettle ponds, and lake margins. Elevations range from 1380 m in Oregon to 2900 m in Utah. Sites are anaerobically favorable to the buildup of deep organic soils. Soils are usually Histosols with thick accumulations of partially decomposed sedges. Soil texture is predominantly loamy. Types occur on poorly drained organic mats. Sites are often flooded into the growing season with water tables remaining within the root zone. ~Carex lasiocarpa$ typically is the only dominant graminoid with up to 98% cover. ~Carex utriculata, Carex aquatilis$, and ~Carex canescens$ are occasionally present on slightly raised microsites. The forb layer in the Montana stands have up to 40% cover. Species include ~Symphyotrichum spathulatum (= Aster occidentalis), Argentina anserina (= Potentilla anserina)$, and ~Comarum palustre (= Potentilla palustris)$. ~Equisetum arvense$ characterizes the fern layer (0-40% cover) in the Montana sites. Adjacent wetter communities are dominated by either ~Carex utriculata$ or ~Carex aquatilis$. Drier communities are dominated by ~Deschampsia caespitosa$ or ~Artemisia cana$. 
Accession Code: VB.CC.1190.A1415
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Mar-2005
     
  • status: accepted
  • Community's Parent: V.A.5.N.k
  • This Community's Level: Alliance
  • This Community's Children: [none]
Names:   Scientific: CAREX LASIOCARPA SEASONALLY FLOODED HERBACEOUS ALLIANCE
  Code: A.1415
  Common: Wiregrass Sedge Seasonally Flooded Herbaceous Alliance
(convergence) and Synonyms:
(undetermined) Carex lasiocarpa Seasonally Flooded Herbaceous Alliance