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Penstemon torreyi Hort. ex Rgl.
Genus:
Pentstemon
Species:
torreyi
Author:
E.Regel
Published place:
St.Petersburg (Petropolitanus)
Published year:
1860
Published in:
E.Regel in: Index seminum, quae hortus botanicus Imperialis Petropolitanus pro mutua commutatione offert... 1860: 40
Original seen in:
Leiden (L) (photocopy); IDC microfiches (7888)
Notes: