Platanthera aquilonis Sheviak
Common Name: NORTHERN GREEN ORCHID
Synonym: Habenaria hyperborea
Coefficient of Conservatism: 5
Coefficient of Wetness: -3
Wetness Index: FACW
Physiognomy: Nt P-Forb

In almost all moist to wet situations: moist forests, cedar swamps; coniferous, deciduous, and mixed forests; river banks, stream borders, wet meadows, and springy places; beach pools and meadows, fens; ditches and borrow pits.

The Platanthera hyperborea complex, including in Michigan P. dilatata, P. aquilonis, and P. huronensis, is the source of a great deal of difficulty, and plants are easiest identified when alive. Herbarium specimens are difficult to place, because flower color, fragrance, and details of the small flowers are difficult or impossible to discern. Some specimens mapped as Habenaria hyperborea in Michigan Flora are not mapped here because they could not be determined. See notes under P. huronensis.

Locations

Alcona County
Alger County
Allegan County
Alpena County
Antrim County
Benzie County
Charlevoix County
Cheboygan County
Chippewa County
    Including Drummond Island
Clare County
Delta County
Emmet County
Gladwin County
Gogebic County
Grand Traverse County
Gratiot County
Houghton County
Huron County
Ionia County
Iosco County
Jackson County
Kalamazoo County
Kalkaska County
Kent County
Keweenaw County
Lake County
Leelanau County
    Including Fox Islands
Lenawee County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Manistee County
Marquette County
Mason County
Missaukee County
Montmorency County
Newaygo County
Oakland County
Oceana County
Ogemaw County
Oscoda County
Otsego County
Presque Isle County
Roscommon County
Schoolcraft County
St. Clair County
Washtenaw County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 11, 2017. http://www.michiganflora.net/species.aspx?id=1824.