The wild growing plants of the Central Alberta Prairies-Western Canada, were colleced in September 2004,just before the flower-buds open. Voucher specimens have been deposited at the Herbarium of Vascular, University of Alberta, under yhe voucher numbers : Artemisia absintium L. (No.72906), Artemisia biennis willd.(No.16973),Artemisia cana Puerh (No.68872),Artemisia dracunculus L.(No.72907), Artemisia frigida willd.(No.17075), Artmisia longifolia Nutt.(No.73464)and Artemisia ludoviciana Nutt. (No.75255).