Nuttallanthus canadensis (L.) D. A. Sutton
Common Name: BLUE TOADFLAX
Synonym: Linaria canadensis
Coefficient of Conservatism: 8
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Nt A-Forb

Linaria canadensis of Michigan Flora.

Dry, open, sandy or rocky ± barren ground; oak and sassafras savanna and jack pine plains; beds of dried lakes.

Surprisingly frequently misidentified in herbaria as Lobelia kalmii, with which it shares narrow leaves and blue bilaterally symmetrical flowers, but not habitat, superior ovary, spurred corolla, absence of milky juice, or other characters.

Locations

Alcona County
Allegan County
Arenac County
Barry County
Bay County
Benzie County
Berrien County
Calhoun County
Clare County
Crawford County
Delta County
Dickinson County
Genesee County
Gladwin County
Grand Traverse County
Gratiot County
Hillsdale County
Huron County
Ingham County
Iosco County
Isabella County
Kalamazoo County
Kent County
Lake County
Lenawee County
Manistee County
Mason County
Mecosta County
Missaukee County
Montcalm County
Muskegon County
Newaygo County
Oceana County
Oscoda County
Ottawa County
Roscommon County
St. Joseph County
Tuscola County
Van Buren 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=1950.