Thalia dealbata Fraser ex Roscoe. Powdery Thalia, Powdery Alligator-flag. Phen: May-Sep (-Oct); Jun-Oct. Hab: Swamp forests, wet ditches, brackish marshes. Dist: Ne. SC south to GA, west to c. TX and e. OK, north in the Mississippi Embayment to w. KY, s. IL, and se. MO.

Origin/Endemic status: Endemic

Synonymy: = Ar, ETx1, F, FNA22, GW1, Il, K1, K3, K4, Mo1, NcTx, RAB, S, Tx; = n/a – C

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