Genus
              Cynoglossum
          Species
              officinale var. bicolor
          Author
              L.C.Treviranus
          Published place
              Breslau
          Published year
              1818
          Published in
              L.C.Treviranus in: Index seminum quae in horto botanico Wratislaviensi prostant 1818: 3
          Original seen in
              Kew (K); Leiden (L) photocopy
          Notes
              Based on: Cynoglossum bicolor Willd., Enum. Hort. Berol. (1809) 180 (Veldkamp)
          