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Ipomoea tuberculata Desr. var. angustifolia Rgl.
Genus:
Ipomoea
Species:
tuberculata var. angustifolia
Author:
E.Regel
Published place:
St.Petersburg (Petropolitanus)
Published year:
1856
Published in:
E.Regel in: Index seminum quae hortus botanicus imperialis Petropolitanus pro mutua commutatione offert... 1856: 27
Original seen in:
Utrecht (U); Leiden (L) (photocopy)