Heracleum sphondylium f. latifolium (Mert. & W.D.J.Koch) P.D.Sell Fl. Gr. Brit. Ireland 3: 519. 2009

Nomenclatural References

• person : Franz Carl Mertens (1764-1831) Based on occurrence of standard abbreviation 'Mert.' in the authors string.
• person : Peter Derek Sell (1929-2013) Based on occurrence of standard abbreviation 'P.D.Sell' in the authors string.
• person : Wilhelm Daniel Joseph Koch (1771-1849) Based on occurrence of standard abbreviation 'W.D.J.Koch' in the authors string.
• database : IPNI record: 77098285-1