Carex umbellata Schkuhr ex Willdenow. Section: [26bbb] Section 39 Acrocystis. Common name: Parasol Sedge. Phenology: Dec-Mar. Habitat: Limestone barrens, other barrens and glades, old fields, mowed areas, other open habitats. Distribution: Greenland west to AB, south to GA and TX.

Origin/Endemic status: Native

Taxonomy Comments: Molecular data (unpublished) indicate that C. microrhyncha is deeply embedded within C. umbellata. This group is receiving critical study by D.B. Poindexter.

Synonymy ⓘ: = Ar, Can, FNA23, G, Il, Mi, Mo1, NE, NY, Pa, POWO, Tat, Tn, Va, Sorrie et al (2011); = Carex abdita E.P.Bicknell — F; > Carex microrhyncha Mack. — ETx1, GrPl, K4, NcTx, NS, POWO, Tx, Mackenzie (1931-1935); < Carex umbellata Schkuhr ex Willd. — C, RAB, W; > Carex umbellata Schkuhr ex Willd. — GrPl, K4, NS, POWO, Mackenzie (1931-1935); Carex umbellata Schkuhr ex Willd. Basionym: Carex umbellata Schkuhr ex Willd. 1805

Links to other floras: = Carex umbellata - FNA23

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Heliophily ⓘ: 5