Drum, R. 2006. Three herbs: Yarrow, Indian consumption plant, coral root. In: Proceedings Southwest Conference on Botanical Medicine. 2006 April 8-9; Tempe, AZ. Ashland, OR: Herbal Educational Services: 33-44. http://www.ryandrum.com/threeherbs2.htm [Accessed 2020 October 20].

Drum, R. 2006. Three herbs: Yarrow, Indian consumption plant, coral root. In: Proceedings Southwest Conference on Botanical Medicine. 2006 April 8-9; Tempe, AZ. Ashland, OR: Herbal Educational Services: 33-44. http://www.ryandrum.com/threeherbs2.htm [Accessed 2020 October 20].