Doellingeria umbellata (Mill.) Nees
Common Name: FLAT-TOPPED WHITE ASTER
Synonym: Aster umbellatus
Coefficient of Conservatism: 5
Coefficient of Wetness: -3
Wetness Index: FACW
Physiognomy: Nt P-Forb

Aster umbellatus of Michigan Flora.

This is one of our most distinctive asters and is common throughout the state, although in some areas such as the northernmost Lower Peninsula quite local. Borders and openings in moist forests, swamps (conifers, hardwoods), and thickets (willows, alders, etc.); oak-hickory, aspen-pine, and mixed forests; along streams and rivers, sedge meadows and fens, shores, ditches, marshy flats, swales; rock shores of Lake Superior.

Pubescence varies a great deal in this species. Plants with leaves glabrous beneath (except on the midrib) are var. umbellata and occur from the southern border of the state to Keweenaw Co., apparently absent only from the westernmost Upper Peninsula and Isle Royale. Plants with leaves pubescent across the lower surface are var. pubens (A. Gray) Britton and occur throughout the Upper Peninsula, with scattered occurrences as far south as the middle of the Lower Peninsula.

Locations

Alcona County
Alger County
Allegan County
Alpena County
Arenac County
Baraga County
Barry County
Bay County
Benzie County
Berrien County
Calhoun County
Cass County
Cheboygan County
Chippewa County
    Including Drummond Island
Clinton County
Crawford County
Delta County
Dickinson County
Genesee County
Gladwin County
Gogebic County
Grand Traverse County
Gratiot County
Hillsdale County
Houghton County
Huron County
Ingham County
Iosco County
Iron County
Jackson County
Kalamazoo County
Kent County
Keweenaw County
    Including Isle Royale
Lake County
Lapeer County
Lenawee County
Livingston County
Luce County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Macomb County
Manistee County
Marquette County
Mason County
Mecosta County
Menominee County
Midland County
Monroe County
Montcalm County
Montmorency County
Muskegon County
Newaygo County
Oakland County
Ogemaw County
Ontonagon County
Osceola County
Oscoda County
Presque Isle County
Roscommon County
Saginaw County
Sanilac County
Schoolcraft County
Shiawassee County
St. Clair County
St. Joseph County
Tuscola 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 12, 2017. http://michiganflora.net/species.aspx?id=307.