Carex atlantica

Carex atlantica, the prickly bog sedge, is a species of flowering plant in the family Cyperaceae, native to eastern North America, and eastern Hispaniola. It is usually found growing in bogs or acidic seeps.

Subtaxa
The following subspecies are currently accepted:
 * Carex atlantica subsp. atlantica – Entire range, except Ontario, Québec, Vermont, and the Dominican Republic
 * Carex atlantica subsp. capillacea (L.H.Bailey) Reznicek – Entire range, except West Virginia