Fraxinus nigra Marshall
Common Name: BLACK ASH
Coefficient of Conservatism: 6
Coefficient of Wetness: -3
Wetness Index: FACW
Physiognomy: Nt Tree

Usually on mucky or peaty soils in swamps, such as river floodplains; sometimes a dominant tree, or merely scattered (as often in cedar swamps).

There is a patch of dense pubescence at the base of each leaflet. The terminal bud is ± prolonged, usually a bit longer than broad, whereas in our other species, except for F. pennsylvanica, the terminal bud is at least as broad as long.

Locations

Alcona County
Alger County
Allegan County
Alpena County
Antrim County
Baraga County
Barry County
Benzie County
Berrien County
Calhoun County
Cass County
Charlevoix County
    Only on Beaver Island
Cheboygan County
Chippewa County
Clare County
Clinton County
Delta County
Dickinson County
Emmet County
Gogebic County
Grand Traverse County
Gratiot County
Hillsdale County
Houghton County
Huron County
Ingham County
Iosco County
Isabella County
Jackson County
Kalamazoo County
Kalkaska County
Kent County
Keweenaw County
    Including Isle Royale
Lake County
Leelanau County
    Including Fox Islands
    Including Manitou Islands
Lenawee County
Livingston County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Macomb County
Manistee County
Marquette County
Midland County
Monroe County
Montcalm County
Newaygo County
Oakland County
Ontonagon County
Osceola County
Ottawa County
St. Clair County
Van Buren County
Washtenaw County
Wayne County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 16, 2017. http://www.michiganflora.net/species.aspx?id=1733.