Calceolaria herrerae var. typica Pennell Proc. Acad. Nat. Sci. Philadelphia 97: 162 (1945)

Nomenclatural References

• literature : Proc. Acad. Nat. Sci. Philadelphia 97: 162. 1945 BHL link from IPNI metadata.
• person : Francis W. Pennell (1886-1952) Based on occurrence of standard abbreviation 'Pennell' in the authors string.
• database : IPNI record: 41403-2