Carex atlantica L. H. Bailey
Common Name: SEDGE
Synonym: Carex howei
Coefficient of Conservatism: 7
Coefficient of Wetness: -3
Wetness Index: FACW
Physiognomy: Nt P-Sedge

Carex atlantica perigynia dorsal & ventral views B. S. Walters perigynia dorsal & ventral views

Swamps, both coniferous and deciduous, in acid soils; sphagnum bogs. Both the larger subsp. atlantica with the widest leaves 1.6–2.5 mm wide and inflorescences usually 1.8–2.8 cm long and subsp. capillacea (L. H. Bailey) Reznicek (C. howei of Michigan Flora) with the widest leaves 0.8–1.6 mm wide and inflorescences 0.8–2 cm long occur throughout the Michigan range, though subsp. capillacea is more frequent.


Allegan County
Barry County
Berrien County
Cass County
Ingham County
Jackson County
Kalamazoo County
Kent County
Lenawee County
Macomb County
Mason County
Midland County
Muskegon County
Newaygo County
Oakland County
Ottawa County
St. Clair County
St. Joseph County
Van Buren County
Washtenaw County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. July 27, 2021.