The complete ITS sequence (ITS1-5.8S-ITS2) of 28 isolates of Rhizoctonia solani AG 2-2 has been determined, aligned and processed for phylogenetic reconstruction using maximum parsimony, showing the division of AG 2-2 into three cultural types (AG 2-2 IIIB, AG 2-2 TV and AG 2-2 LP).