Hieracium bulgaricum Freyn in Velen. Fl. Bulg. 347. 1891 ; et in Oest. Bot. Zeitschr. xlii. (1892) 344.

Nomenclatural References

• person : Josef Franz Freyn (1845-1903) Based on occurrence of standard abbreviation 'Freyn' in the authors string.
• database : IPNI record: 215646-1
• database : The Plant List version 1.0, record: gcc-124710
• database : The Plant List version 1.1, record: gcc-124710