Genus
Pyrus
Species
baccata var. praecox
Author
E.Regel
Published place
St.Petersburg (Petropolitanus)
Published year
1862
Published in
E.Regel in: Index seminum, quae hortus botanicus Imperialis Petropolitanus pro mutua commutatione offert... 1862: 32
Original seen in
Meise (BR); Leiden (L) (photocopy); IDC microfiches (7888)
