Carex garberi Fernald. Phen: Jun-Aug. Hab: Sandy swales and calcareous gravel shores. Dist: NL (Labrador) west to AK, south to NY, nw. PA, n. OH, nw. IN, ne. IL, n. MN, ND, MT, ID, and OR. In the northeastern United States, this taxon is at its southern limit within the Great Lakes region. It is only known from our area in Erie County, PA (S. Grund, pers. comm., 2022). In this area of nw. PA and adjacent areas of w. NY, Carex garberi is rare and grows atop calcareous rocks and escarpments associated with large rivers and other bodies of water, as well as in calcareous fens and similar seepages.
Origin/Endemic status: Native
Synonymy: = FNA23, GrPl, Il, K3, K4, Mi, NE, NY, Pa; < Carex aurea Nutt. – C; > Carex garberi Fernald var. garberi – F