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Cynoglossum officinale L. var. bicolor (Willd.) Willd. ex Trevir.
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)