Carex sangamonensis (Clokey) Mohlenbrock. Section: [26q] Section 12 Ovales. Midwestern Blunt Broom Sedge, Sangamon Sedge. Phen: May-Jun. Hab: Bottomland forests, marshes. Dist: OH, IL, and KS, south to SC, AL, LA, and TX.

Origin/Endemic status: Native

Taxonomy Comments: Judged to perhaps warrant specific rank (Tennessee Flora Committee 2015), as treated here.

Synonymy ⓘ: = Il, K4; = Carex tribuloides Wahlenb. var. sangamonensis Clokey – Ar, ETx1, FNA23, G, K1, K3, Tn, Va; < Carex tribuloides Wahlenb. – C, F, GW1, Mo1, NcTx, RAB, W

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FACW (taxonomic split from wetland indicator species)
• Great Plains: OBL (taxonomic split from wetland indicator species)
• Midwest: OBL (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACW (taxonomic split from wetland indicator species)

Heliophily ⓘ: 4