Żubrówka bison grass vodka (polish pronunciation: [ʐuˈbrufka] (listen)) is a flavored polish vodka, which contains a bison grass blade (hierochloe odorata) in every bottle. the żubrówka brand name is also used on bottles of conventional vodka, labeled as żubrówka biała. an easy way to tell the difference is to look for the blade of grass in the bottle. the grass is sourced from the białowieża forest, hand-picked and dried under natural conditions. żubrówka ranks as the third or fourth best-selling vodka brand in the world (after smirnoff, absolut, and occasionally khortytsia). żubrówka is available in more than 80 markets worldwide. żubrówka is manufactured at the polmos białystok distill...

Source: Wikipedia