Pachypleurum alpinum Ledeb., Fl. Altaic. 1: 297. 1829 Pachypleurum alpinum Ledeb., Fl. Altaic. 1: 297. 1829is basionym for Ligusticum alpinum (Ledeb.) Kurtz in Bot. Jahrb. Syst. 19: 464. 1894Taxon for this namePachypleurum alpinum Ledeb., Fl. Altaic. 1: 297. 1829