Juncus acuminatus Michx.
Common Name: SHARP-FRUITED RUSH
Coefficient of Conservatism: 8
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt P-Forb

Moist, often sandy, sunny ground.

In this species, and in J. scirpoides, the sheaths of the lower leaves may be open and flat. The Houghton Co. record is a 1934 O. A. Farwell collection, perhaps from a transient introduction, if not a label mix-up.

Locations

Allegan County
Arenac County
Barry County
Benzie County
Berrien County
Branch County
Calhoun County
Cass County
Charlevoix County
    Only on Beaver Island
Genesee County
Gratiot County
Hillsdale County
Houghton County
Huron County
Ingham County
Ionia County
Jackson County
Kalamazoo County
Kent County
Lenawee County
Livingston County
Macomb County
Mason County
Mecosta County
Monroe County
Montcalm County
Muskegon County
Newaygo County
Oakland County
Oceana County
Ottawa County
Saginaw County
Sanilac County
St. Clair County
St. Joseph County
Van Buren County
Washtenaw County
Wayne County
Wexford County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 17, 2017. http://michiganflora.net/species.aspx?id=1497.