Chaerophyllum hirsutum subsp. villarsii (W. D. J. Koch) Arcang., Comp. Fl. Ital., ed. 2: 599. 1894
Chaerophyllum hirsutum subsp. villarsii, Comp. Fl. Ital., ed. 2: 599. 1894
is new combination for Chaerophyllum villarsii, Syn. Fl. Germ. Helv.: 317. 1836
Chaerophyllum hirsutum subsp. villarsii, Comp. Fl. Ital., ed. 2: 599. 1894