''Carex brunnescens'', the brownish sedge or green bog sedge, is a species of plant in the sedge family (

Cyperaceae The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus ''Carex'' w ...

). 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. File:Carex brunnescens var sphaerostachya.jpg, Showing green and arching shade form

References

{{Taxonbar, from=Q159243 brunnescens Flora of Canada Flora of Alaska Flora of Greenland Flora of the Eastern United States Flora of the Western United States Plants described in 1807 Taxa named by Christiaan Hendrik Persoon Flora without expected TNC conservation status