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Coefficient of Conservatism:
*
Coefficient of Wetness:
3
Wetness Index:
FACU
Physiognomy:
Ad P-Grass
A. A. Reznicek
Roadsides, fields, shores, meadows, savannas – almost anywhere in open places.
A most complex and intricate species; Darbyshire & Pavlick (2007) recognize 10 subspecies. We have not attempted to assign Michigan material to subspecies. It is possible that both native and introduced strains are included in our material, however, the earliest collection is from "pastures and along roadsides" in Keweenaw Co. in 1890.
The youngest green shoots available should be examined for the distinctive closed sheaths of this species. In F. rubra there is a strong tendency for the lowermost panicle branches (at least one of them) to be 5 (rarely only 4) mm or more long before the first pedicel; whereas in F. saximontana and F. trachyphylla, the lowermost panicle branches are usually all less than 5 (rarely 7) mm long before the first (sometimes aborted) pedicel. Festuca rubra, unlike F. trachyphylla and F. saximontana, is sometimes conspicuously rhizomatous, especially in lawns.
Locations
Alcona County
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Allegan County
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Alpena County
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Arenac County
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Baraga County
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Barry County
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Bay County
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Benzie County
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Berrien County
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Charlevoix County
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Including Beaver Island
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Cheboygan County
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Chippewa County
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Crawford County
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Delta County
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Eaton County
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Emmet County
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Gogebic County
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Hillsdale County
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Houghton County
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Ingham County
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Iosco County
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Iron County
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Kalamazoo County
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Kalkaska County
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Kent County
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Keweenaw County
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Including Isle Royale
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Leelanau County
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Including Fox Islands
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Including Manitou Islands
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Lenawee County
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Livingston County
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Marquette County
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Mason County
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Missaukee County
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Montcalm County
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Montmorency County
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Newaygo County
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Oscoda County
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Ottawa County
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Presque Isle County
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Schoolcraft County
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St. Joseph 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. February 1, 2023. https://michiganflora.net/species.aspx?id=2121.