Common Name:
SPINULOSE WOODFERN
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Coefficient of Conservatism:
5
Coefficient of Wetness:
-3
Wetness Index:
FACW
Physiognomy:
Nt Fern
L. Wallis
Dry to wet deciduous, mixed conifer-hardwood, or coniferous forests; our commonest upland forest species of woodfern.
A very common species, generally with the blades less dissected than D. intermedia. Unusual specimens, especially those where the lower pinnae proportions are ambiguous or where the dissection of the blade seems more than usual are likely D. ×triploidea Wherry and should be examined closely for the presence of sparse glands and, if possible, abortive spores to confirm the hybrid.
Locations
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Alcona County
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Alger County
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Allegan County
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Alpena County
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Antrim County
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Arenac County
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Including Charity Island
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Baraga County
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Barry County
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Berrien County
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Calhoun County
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Cass 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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Including Drummond Island
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Clare County
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Clinton County
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Crawford County
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Delta County
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Dickinson County
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Eaton County
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Emmet County
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Genesee County
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Gladwin County
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Gogebic County
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Grand Traverse County
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Gratiot County
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Hillsdale County
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Houghton County
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Huron County
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Ingham County
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Ionia County
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Iosco County
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Iron County
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Jackson 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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Lake County
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Lapeer County
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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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Luce County
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Mackinac County
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Including Bois Blanc, Mackinac, Round Islands
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Macomb County
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Manistee 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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Midland County
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Missaukee County
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Monroe County
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Montcalm 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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Ogemaw County
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Ontonagon County
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Osceola County
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Oscoda County
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Otsego County
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Ottawa County
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Presque Isle County
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Roscommon County
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Saginaw County
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Sanilac County
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Schoolcraft County
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Shiawassee County
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St. Clair County
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St. Joseph County
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Tuscola County
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Van Buren County
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Washtenaw County
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Wayne County
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Wexford County
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Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. November 16, 2019. https://michiganflora.net/species.aspx?id=1179.