Evolution of the Toxins Muscarine and Psilocybin in a Family of Mushroom-Forming Fungi Kosentka, Pawel ; Sprague, Sarah L. ; Ryberg, Martin ; Gartz, Jochen ; May, Amanda L. ; Campagna, Shawn R. ; Matheny, P. Brandon Abstract Publication: PLoS ONE Pub Date: May 2013 DOI: 10.1371/journal.pone.0064646 Bibcode: 2013PLoSO...864646K