Platanthera orbiculata (Pursh) Lindl.
Common Name: ROUND-LEAVED ORCHID
Synonym: Habenaria orbiculata
Coefficient of Conservatism: 10
Coefficient of Wetness: 0
Wetness Index: FAC
Physiognomy: Nt P-Forb

Habenaria orbiculata of Michigan Flora.

Rich deciduous or mixed forests; coniferous forests from virgin pine (Hartwick Pines) to swamps of cedar, balsam fir, hemlock, etc.

Most collections from the southern half of the Lower Peninsula are quite old.

Locations

Alger County
Baraga County
Bay County
Benzie County
Berrien County
Charlevoix County
    Including Beaver Island
Cheboygan County
Chippewa County
Crawford County
Delta County
Dickinson County
Emmet County
Genesee County
Gogebic County
Grand Traverse County
Houghton County
Iosco County
Kalamazoo County
Kent County
Keweenaw County
    Including Isle Royale
Lapeer County
Leelanau County
    Including Fox Islands
    Including Manitou Islands
Luce County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Macomb County
Marquette County
Montmorency County
Muskegon County
Oakland County
Ogemaw County
Ontonagon County
Oscoda County
Ottawa County
Presque Isle County
Schoolcraft County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 13, 2017. http://michiganflora.net/species.aspx?id=1836.