CYPERACEAE

Carex lasiocarpa Ehrhart var. americana Fernald. Section: [26oo] Section 28 Paludosae. Slender Sedge. Phen: Jun. Hab: In shallow water of alkaline spring seeps, on hummocks in acidic basin marshes, and in high elevation fen over amphibolite. Dist: A circumboreal species; var. lasiocarpa is Eurasian, var. americana ranges from NL west to AK, south to NJ, WV, MD (C. Frye, pers. comm. 2000), VA, nw. NC, MO, IA, CO, UT, and n. CA. Reported for the Ozark portion of MO (J. Thomas, pers. comm., 2020).

Origin/Endemic status: Native

Syn: = C, F, G, GrPl, K1, K3, K4, Va; = Carex lasiocarpa ssp. americana – FNA23, NE, NY; < Carex lasiocarpa – Mi, Pa, W, Mackenzie (1931-1935)

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