*Carex praegracilis W. Boott. Section: [26i] Section 6 Divisae. Phen: May-Jun. Hab: Medians of interstate highways. Dist: Native of w. North America south to c. Mexico. This species is apparently spreading through ne. North America as the result of the winter salting of highways.
Origin/Endemic status: Native
Synonymy: = C, F, FNA23, G, GrPl, Il, K1, K3, K4, Mex, Mi, Mo1, NE, NY, Pa, Tx, Mackenzie (1931-1935)