Rosa rugosa Thunb.
Coefficient of Conservatism: *
Coefficient of Wetness: 3
Wetness Index: FACU
Physiognomy: Ad Shrub

Rosa rugosa B. S. Walters

An Asian species grown for ornament and hedges, rarely escaping to roadsides, fields, shores and dunes, and disturbed ground. First collected in 1934 in Houghton Co.

A densely prickly plant, with large, thick, rugose leaflets and large red-purple (or white) flowers. The thick pubescence tends to obscure any stalked glands that may also be present.


Alger County
Baraga County
Berrien County
Cheboygan County
Chippewa County
Gogebic County
Houghton County
Lenawee County
Marquette County
Mason County
Otsego County
Presque Isle County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 3, 2022.