Penstemon cardinalis subsp. regalis (A.Nelson) G.T.Nisbet & R.C.Jacks. Kansas Univ. Sci. Bull. 41: 707 (1960)

Nomenclatural References

• person : Aven Nelson (1859-1952) Based on occurrence of standard abbreviation 'A.Nelson' in the authors string.
• person : Gladys T. Nisbet (b.1895) Based on occurrence of standard abbreviation 'G.T.Nisbet' in the authors string.
• person : Raymond Carl Jackson (1928-2008) Based on occurrence of standard abbreviation 'R.C.Jacks.' in the authors string.
• database : IPNI record: 187251-2
• database : The Plant List version 1.0, record: tro-29201283
• database : The Plant List version 1.1, record: tro-29201283