Oshá Publications Kindscher, K., Martin, L. M., & Long, Q. (2019). The Sustainable Harvest of Wild Populations of Oshá (Ligusticum porteri) in Southern Colorado for the Herbal Products Trade. Economic Botany, 73(3), 341-356. (PDF)Kindscher, K., Martin, L.M., Long, Q., Craft, R., Loring, H., Sharaf, M.H.M., & Yang, J. 2017. Harvesting and Recolonization of Wild Populations of Oshá (Ligusticum porteri) in Southern Colorado. Natural Areas Journal, 37(2), 178–187.Kindscher, K., J. Yang, Q. Long, R. Craft, and H. Loring. 2013. Harvest Sustainability Study of Wild Populations of Osha, Ligusticum porteri. Open-File Report No. 176. Kansas Biological Survey. Lawrence, KS., 20 pp. (PDF)Working Draft of 2017 Oshá Research Report (PDF)