Penstemon ternatus subsp. septentrionalis (Munz & I.M.Johnst.) D.D.Keck Madroño 3: 216 (1936)

Nomenclatural References

• literature : Madroño 3: 216. 1936 BHL link from IPNI metadata.
• person : David D. Keck (1903-1995) Based on occurrence of standard abbreviation 'D.D.Keck' in the authors string.
• person : Ivan Murray Johnston (1898-1960) Based on occurrence of standard abbreviation 'I.M.Johnst.' in the authors string.
• person : Philip A. Munz (1892-1974) Based on occurrence of standard abbreviation 'Munz' in the authors string.
• database : IPNI record: 187807-2