Carex billingsii (O.W. Knight) C.D. Kirschbaum. Section: [26m] Section 9 Glareosae. Billings’s Sedge. Hab: Wet, boggy areas. Dist: NL (Newfoundland) and ON south to s. NJ (Ocean County), ne. PA, and MI.
Origin/Endemic status: Native
Syn: = K3, K4, Mi, NE, NY, Kirschbaum (2007), Maguilla et al (2015); = Carex trisperma var. billingsii – C, F, FNA23, G, K1, Mackenzie (1931-1935)