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Carex brunnescens

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Species of grass-like plant

Carex brunnescens
Conservation status

Least Concern  (IUCN 3.1)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Subgenus: Carex subg. Vignea
Section: Carex sect. Glareosae
Species: C. brunnescens
Binomial name
Carex brunnescens
(Pers.) Poir.
Synonyms
  • Carex cuta var. brunnescens Pers.
  • Carex canescens var. sphaerostachya Tuck.
  • Carex sphaerostachya (Tuck.) Dewey
  • Carex brunnescens var. gracilio Britt.
  • Carex brunnescens var. sphaerostachya (Tuck.) Kük.

Carex brunnescens, the brownish sedge or green bog sedge, is a species of plant in the sedge family (Cyperaceae). It has a circumboreal distribution, and is native to North America and Eurasia. In the United States it is primarily found in the Northeast and Midwest extending south into the Appalachian Mountains, with disjunct populations westward in the Rocky Mountains. It has a wide-ranging natural habitat, is in found in forests, bogs, fens, and rock outcrops.

Carex brunnescens is morphologically variable across its wide range. It has a different morphology when growing in shade vs. sunlight. Shade growing specimens tends to be slender and weak-stemmed with green scales, and sun growing specimens tend to be stiffly erect with brown scales. The degree of variation in this species warrants further taxonomic study.

  • Showing green and arching shade form Showing green and arching shade form

References

  1. Mohlenbrock RH. (1999). Sedges: Carex. Southern Illinois University Press. p. 93. ISBN 978-0-8093-2074-5.
  2. NRCS. "Carex brunnescens". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 2018-11-20.
  3. Wilhelm, Gerould; Rericha, Laura (2017). Flora of the Chicago Region: A Floristic and Ecological Synthesis. Indiana Academy of Sciences.
  4. ^ Carex brunnescens Flora of North America
  5. "Carex brunnescens". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 11 January 2019.
  6. "Carex brunnescens". Go Botany. New England Wildflower Society. Retrieved 2019-01-11.
Taxon identifiers
Carex brunnescens
Carex curta var. brunnescens
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