Penstemon sagittatus (D.D.Keck) Pennell Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 15 (1941)

Nomenclatural References

• person : David D. Keck (1903-1995) Based on occurrence of standard abbreviation 'D.D.Keck' in the authors string.
• person : Francis W. Pennell (1886-1952) Based on occurrence of standard abbreviation 'Pennell' in the authors string.
• database : IPNI record: 187754-2
• database : The Plant List version 1.0, record: kew-2550078
• database : The Plant List version 1.1, record: kew-2550078