Heracleum sphondylium var. latifolium Mert. & W.D.J.Koch Syn. Deut. Schweiz. Fl., ed. 2 [W. D. J. Koch] 373. 1846

Nomenclatural References

• person : Franz Carl Mertens (1764-1831) Based on occurrence of standard abbreviation 'Mert.' 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: 77098255-1