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Cyperus bipartitus Kunth

Common Name: BROOK NUT SEDGE
Coefficient of Conservatism: 3
Coefficient of Wetness: -3
Wetness Index: FACW
Physiognomy: Nt A-Sedge

C. rivularis of Michigan Flora.

Wet sandy or muddy, often marshy shores and banks of streams, ponds, and lakes; wet marshy hollows, wet fields, and wet meadows; ditches and swales. One of our most common smaller species, sometimes weedy in moist soils on trails and along  two track roads. 

This species is highly variable in the amount of reddish-brown tinting on the scales; sometimes these virtually all green.

B. S. Walters

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Counties
Alcona
Allegan
Alpena
Barry
Bay
Benzie
Berrien
Branch
Cass
Charlevoix
Cheboygan
Clare
Clinton
Crawford
Delta
Dickinson
Emmet
Genesee
Gladwin
Gogebic
Grand Traverse
Gratiot
Hillsdale
Huron
Ingham
Ionia
Iosco
Isabella
Jackson
Kalamazoo
Kalkaska
Kent
Lake
Lapeer
Leelanau
Lenawee
Livingston
Macomb
Macomb or St. Clair
Manistee
Marquette
Mason
Mecosta
Menominee
Midland
Monroe
Montcalm
Muskegon
Newaygo
Newaygo or Oceana
Oakland
Oceana
Ottawa
Presque Isle
Roscommon
Saginaw
Schoolcraft
Shiawassee
St. Clair
St. Joseph
Tuscola
Van Buren
Washtenaw
Wayne
Wexford

Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March, 17, 2025
https://lsa-miflora-p.lsait.lsa.umich.edu/#/record/1086