Milkwort plant of the U.S. whose root is used as an expectorant

Let's find possible answers to "Milkwort plant of the U.S. whose root is used as an expectorant" crossword clue. First of all, we will look for a few extra hints for this entry: Milkwort plant of the U.S. whose root is used as an expectorant. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.