Argythamnia mercurialina (Nuttall) Müller of Aargau var. mercurialina . Tall Silverbush. Phen: Apr-Jul. Hab: Dry prairies over limestone or sand. Dist: KS, se. CO, and ne. AZ south to TX and NM.

Origin/Endemic status: Native

Synonymy: = FNA12, K3, K4, Tx; = Ditaxis mercurialina (Nutt.) Coult. – NcTx; < Argythamnia mercurialina (Nutt.) Müller of Aargau – GrPl

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