Crataegus phaenopyrum (L. f.) Medik.
Common Name: WASHINGTON THORN

Coefficient of Conservatism: *
Coefficient of Wetness: 0
Wetness Index: FAC
Physiognomy: Ad Tree
Crataegus phaenopyrum R. W. Smith

Native south of our area; commonly cultivated and occasionally escaped to fields and thickets. First collected in 1971 in Oakland Co. This is the very latest hawthorn to bloom, in mid-June.

Locations

Cass County
Oakland County
Washtenaw County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. September 14, 2014. http://michiganflora.net/species.aspx?id=2468.