Carex billingsii (O.W. Knight) C.D. Kirschbaum. Section: [26m] Section 9 Glareosae. Hab: Wet, boggy areas. Dist: NL (Newfoundland) and ON south to s. NJ (Ocean County), ne. PA, and MI.
Origin/Endemic status: Native
Taxonomy Comments: See Kirschbaum (2007) and Maguilla et al. (2015) for support for species status of this taxon.
Synonymy: = K3, K4, Mi, NE, NY, Kirschbaum (2007), Maguilla et al (2015); = Carex trisperma Dewey var. billingsii O.W.Knight – C, F, FNA23, G, K1, Mackenzie (1931-1935); = n/a – Pa