Euthamia oklahomensis Nesom. Oklahoma Goldentop. Phen: (Apr-) Aug-Oct. Hab: Bogs and wet areas, sloughs, open riparian forests. Dist: Known only from se. OK (at the southwestern tip of the Ouachita Mountain uplift).
Origin/Endemic status: Endemic
Synonymy: = Nesom (2021e), Nesom (2021g); < Euthamia leptocephala (Torr. & A.Gray) Greene – FNA20
Wetland Indicator Status:
Heliophily: 9
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