Herbacious plant once smoked by Native Americans to treat asthma

Let's find possible answers to "Herbacious plant once smoked by Native Americans to treat asthma" crossword clue. First of all, we will look for a few extra hints for this entry: Herbacious plant once smoked by Native Americans to treat asthma. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.