Juncus filiformis L.
Common Name: RUSH
Coefficient of Conservatism: 10
Coefficient of Wetness: -3
Wetness Index: FACW
Physiognomy: Nt P-Forb

Rather local on sandy or peaty shores, gravelly river borders, and moist edges of thickets in the Upper Peninsula, a plant of acidic sites.

Distinct from the other species with lateral inflorescence in its slender stature and very long involucral bract.


Alger County
Baraga County
Chippewa County
Dickinson County
Gogebic County
Houghton County
Iron County
Keweenaw County
    Including Isle Royale
Luce County
Mackinac County
Marquette County
Ontonagon County
Schoolcraft County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 29, 2022. https://michiganflora.net/species.aspx?id=1512.