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Polemonium coeruleum L. var. gracile (Willd.) Willd. ex Trevir.
Genus:
Polemonium
Species:
coeruleum var. gracile
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: 5
Original seen in:
Kew (K); Leiden (L) photocopy
Notes:
Based on: Polemonium gracile Willd., Enum. Hort. Berol. Suppl. (1814) 10