Strain Source Location Shared Typing Data B.c_group A4m4 Plant, leaves of broad-leaved dock (Rumex obtusifolius) (2002) UK, England, Berkshire MLST(P) B.c_group B4m1 Plant, leaves of broad-leaved dock (Rumex obtusifolius) (2002) UK, England, Berkshire MLST(P)