Penstemon barbatus var. puberulus A.Gray Rep. U.S. Mex. Bound. 2(1): 114 (1859)

Nomenclatural References

• literature : Rep. U.S. Mex. Bound., Bot. [Emory] 114. 1858 [Jul-Dec 1858] BHL link from IPNI metadata.
• person : Asa Gray (1810-1888) Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
• database : IPNI record: 187198-2