Hieracium naegelianum subsp. andreae (Degen & Zahn) Zahn in Engler, Pflanzenr. 79: 1017. 1922

Nomenclatural References

• literature : Das Pflanzenreich: Regni vegetablilis conspectus. (1922) at BHL. From parsing micro citation.
• person : Árpád von Degen (1866-1934) Based on occurrence of standard abbreviation 'Degen' in the authors string.
• person : Karl Hermann Zahn (1865-1940) Based on occurrence of standard abbreviation 'Zahn' in the authors string.