Symphytum uplandicum f. coeruleum (Petitm. ex Thell.) P.D.Sell Fl. Great Britain Ireland 3: 519 (2009)

Nomenclatural References

• person : Albert Thellung (1881-1928) Based on occurrence of standard abbreviation 'Thell.' in the authors string.
• person : Marcel Georges Charles Petitmengin (1881-1908) Based on occurrence of standard abbreviation 'Petitm.' in the authors string.
• person : Peter Derek Sell (1929-2013) Based on occurrence of standard abbreviation 'P.D.Sell' in the authors string.
• database : IPNI record: 77098802-1
• database : The Plant List v1.1 record kew-2897608
• database : The Plant List version 1.0, record: kew-2897608