*Setaria verticilliformis Dumortier. Hab: Reported for NJ, PA, MD, and AL (FNA 2003a, Kartesz 1999).
Origin/Endemic status: Europe
Synonymy: = FNA25, K1, K3, K4, NY; = Chaetochloa ambigua Guss. – S; = n/a – Pa; = Setaria verticillata (L.) P.Beauv. var. ambigua (Guss.) Parl. – C, F, HC; = Setaria viridis (L.) P.Beauv. var. ambigua (Guss.) Coss. & Durieu – G; < Setaria verticillata (L.) P.Beauv. – Webster (1993b)
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