Tiedemannia filiformis (Walter) Feist & S.R. Downie ssp. greenmanii (Mathias & Constance) Feist & S.R. Downie. Greenman’s Dropwort. Phen: Jul-Sep; Aug-Oct. Hab: Depression ponds, wet pine flatwoods. Dist: Endemic to Panhandle FL (Bay, Calhoun, and Gulf counties).

Origin/Endemic status: Endemic

Taxonomy Comments: The frequency of intermediate populations caused Judd (1982b) and Feist et al. (2012) to conclude that an infraspecific rank (subspecies) was most appropriate.

Synonymy: = Fl7, K3, K4, Feist et al (2012); = Oxypolis filiformis (Walter) Britton ssp. greenmanii (Mathias & Constance) Judd – WH3, Judd (1982b); = Oxypolis greenmanii Mathias & Constance – K1, MC

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