When anthrax became a household name in 2011, even curators of some herbaria were unaware that samples of Bacillus anthracis, the source of anthrax, had been housed in their microfungal collections for more than a hundred years. Recently, a digitization project at the Illinois Natural History Survey unearthed the whereabouts of historical samples, including one at the University of Illinois at Urbana-Champaign.