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Common Name:
COMMON TANSY, GARDEN TANSY
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Coefficient of Conservatism:
*
Coefficient of Wetness:
3
Wetness Index:
FACU
Physiognomy:
Ad P-Forb
R. W. Smith
A Eurasian species, much cultivated and widely naturalized, forming large colonies from strong rhizomes. Roadsides, fields, meadows, ditches, shores; vacant lots, farmyards, old building sites, fill, dumps, and other disturbed places; sometimes spreading into open, disturbed forests and clearings, but not doing well in shade. First collected in 1862 in Washtenaw Co. and widespread by the 1890’s.
Like other aromatic plants, this species has been used medicinally. The leaves are ± densely glandular-punctate as well as glabrous and less finely divided than in T. bipinnatum. Our escapes do include a few occurrences of the Fernleaf Tansy, forma crispum (L.) Hayek.
Locations
Alcona County
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Alger County
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Alpena County
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Baraga County
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Bay County
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Benzie County
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Berrien County
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Calhoun County
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Charlevoix County
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Only on Beaver Island
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Cheboygan County
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Chippewa County
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Including Drummond Island
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Crawford County
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Delta County
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Dickinson County
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Emmet County
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Gladwin County
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Grand Traverse County
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Gratiot County
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Houghton County
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Huron County
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Ingham County
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Iosco County
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Iron County
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Isabella County
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Kalamazoo County
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Kent County
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Keweenaw County
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Including Isle Royale
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Lake County
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Lapeer County
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Leelanau County
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Lenawee County
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Mackinac County
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Macomb County
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Marquette County
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Mason County
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Mecosta County
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Menominee County
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Montmorency County
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Muskegon County
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Newaygo County
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Oakland County
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Oceana County
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Ontonagon County
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Otsego County
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Presque Isle County
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Roscommon County
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Schoolcraft County
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St. Clair County
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St. Joseph County
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Van Buren County
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Washtenaw County
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Wayne County
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Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. January 30, 2023. https://michiganflora.net/species.aspx?id=501.