1. Rechinger, K.H., Flora Iranica, NO. 162, Graz: Akademisehe Druck. U. Verlagsanstalt, 1987.
2. Aksakal, O. and Kaya, Y., Plant Used as a Food in Erzrum Province. Proceedings of the Turkish 10th Food Conference, Erzrum, Turkey, 2008.
3. Razavi, S.M. and Nejad-Ebrahimi, S., Nat. Prod. Res., 2010, vol. 24, no.12, pp. 1125–1130.
4. Goodman, S.M. and Ghafoor, A., Field. Bot., 1992, vol. 31, no. 1, pp.1–84.
5. Bahadir, O., Citoglu, G.S. and Ozbek, H., J. Med. Plant Res., 2010, vol. 4, no. 10, pp. 999–914.