Chasmanthium ornithorhynchum (Steudel) Yates. Birdbill Spikegrass. Phen: Jun-Sep. Hab: Blackwater swamp forests. Dist: S. AL and w. FL Panhandle west to e. LA (Florida Parishes). Also reported for NC and SC (FNA 2003a; Kartesz 2020), apparently in error, as no evidence has been found to support a distribution in the Carolinas.
Origin/Endemic status: Endemic
Synonymy: = FlGr, FNA25, GW1, K1, K3, K4, WH3, Yates (1966a), Yates (1966c); = Uniola ornithorhyncha Steud. – S
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