Carex granularis Muhlenberg ex Willdenow. Section: [26cc] Section 20 Granulares. Limestone Meadow Sedge, Corncob Sedge. Phen: Apr-Jun. Hab: Moist, nutrient-rich forests, especially bottomlands, mostly over calcareous rocks (limestone, dolostone, coquina limestone) or mafic rocks (diabase). Dist: ME and QC west to SK, south to GA, FL (Ward 2021), OK, and ne. TX.

Origin/Endemic status: Native

Taxonomy Comments: C. haleana Olney [= C. granularis var. haleana (Olney) Porter] is alleged to differ primarily in its more slender perigynia (1.0-1.5 mm wide vs. 1.5-2.5 mm) (see F and M for additional information). Here interpreted to include C. haleana Olney. Naczi (1999b) found little correlation between the morphological and cytological variability of C. granularis, and also little correlation of that variability with geography; he concluded that there was little support for recognition of infraspecific taxa.

Synonymy: = Ar, C, ETx1, FNA23, G, K1, K3, K4, Mi, NcTx, NE, NY, Tn, Tx, Va, W; = Carex granularis Muhl. ex Willd. var. granularis – Ward (2012a); < Carex granularis Muhl. ex Willd. – GW1, RAB, S; > Carex granularis Muhl. ex Willd. – Il, Mackenzie (1931-1935); > Carex granularis Muhl. ex Willd. var. granularis – F, GrPl, Mo1, Pa; > Carex granularis Muhl. ex Willd. var. haleana (Olney) Porter – F, GrPl, Mo1, Pa; > Carex haleana Olney – Il, Mackenzie (1931-1935)

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