Carex intumescens Rudge var. fernaldii L.H. Bailey. Section: [26rr] Section 31 Lupulinae. Phen: Jun-Jul. Hab: Spruce-fir forests, northern hardwood forests, grassy balds. Dist: NL (Newfoundland) west to MB, south to NY, n. PA, MI, MN, and, at higher elevations in the Appalachians, to w. VA, w. NC, and e. TN.
Origin/Endemic status: Native
Taxonomy Comments: See Medford, Poindexter, & Weakley (2021), Uttal (1971), and Reznicek & Ball (1974) for different views on the validity of this variety. It is here considered to warrant at least varietal rank.
Synonymy: = F, Tn, Medford, Poindexter, & Weakley (2021) in Weakley et al (2021), Uttal (1971); < Carex intumescens Rudge – C, FNA23, G, GrPl, GW1, K1, K3, K4, Mi, NE, NY, Pa, RAB, S, Va, W, Mackenzie (1931-1935)