Dear Taxacomers, We are looking for the reference for Hellwig's complete revision of the subtribe Baccharidinae Less. that, in a 1993 paper, he mentioned was in preparation. Thanks in advance for your help. Sincerely, Jane Mygatt (jmygatt at unm.edu) UNM Herbarium Department of Biology University of New Mexico Albuquerque, New Mexico 87131