Penstemon laevigatus subsp. calycosus (Small) R.W.Benn. Phytologia 9: 57 (1963)

Nomenclatural References

• literature : Phytologia 9: 57. 1963 BHL link from IPNI metadata.
• person : John Kunkel Small (1869-1938) Based on occurrence of standard abbreviation 'Small' in the authors string.
• person : Ralph W. Bennett Based on occurrence of standard abbreviation 'R.W.Benn.' in the authors string.
• database : IPNI record: 187584-2
• database : The Plant List v1.1 record tro-50108790
• database : The Plant List version 1.0, record: tro-50108790