Hamedan: Nahavand city, Gian forest, right side of valley
Chehregani-Rad,A., Mohsenzadeh,F. and H. Salehi. 2014.Investigations on chromosome variation in Achillea tenuifolia Lam and A. bieberestinii Afan (Asteraceae) from Hamedan and Kermanshah in the West of Iran. Journal of Cell and Molecular Research. 6