burdock root=Edvard O`Danos in PoK, Horehound=Edvard O`Danos, and Bugbane=Henrik O`Danos in PoK oh the Plain Potion Vial also only merchant from PoK with them is Henrik. so as u can see one stop shop for these ingredients all these merchants are in the same room
Edited, Jul 9th 2009 8:11pm by Lonaleb