Gemeine Fichte
4-Hydroxybenzoic acid 4-"O"-glucoside is a glucoside of "p"-hydroxybenzoic acid. It can be found in mycorrhizal ("Picea abies"-"Lactarius deterrimus" and "Picea abies"-"Laccaria amethystina") and non-mycorrhizal roots of Norway spruces ("Picea abies").