*Cynoglossum officinale Linnaeus. Garden Comfrey, Hound's-tongue. Phen: May-Jul. Hab: Disturbed areas, roadsides, pastures, calcareous shale barrens. Dist: Native of Eurasia.
Origin/Endemic status: Eurasia
Synonymy: = Ar, C, F, G, GrPl, Il, K1, K3, K4, Mi, NE, NY, Pa, RAB, S, Tn, Va, W, WV, Al-Shehbaz (1991), Selvi & Sutorý (2012)
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