Carex amphibola Steudel. Section: [26ee] Section 22 Griseae. Eastern Narrowleaf Sedge. Phen: Apr-Jun. Hab: Moist loamy forests, bottomlands, slopes, uplands. Dist: MA, s. ON, MI, IL, MO, and OK, south to GA, AL, MS, LA, and TX.

Origin/Endemic status: Native

Synonymy: = Ar, ETx1, FNA23, Il, K3, K4, Mi, Mo1, NE, NY, Pa, RAB, S, Tn, Va, Mackenzie (1931-1935); = Carex amphibola Steud. var. amphibola – F, K1, Ward (2012a); = n/a – Tat; < Carex amphibola Steud. – C, G, GW1, Tx; >< Carex bulbostylis Mack., misapplied

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Wetland Indicator Status:

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

Heliophily ?: 4