Abstract
Cultural characters, phenoloxidase production, and mating data are provided for isolates of Panus conchatus from Illinois and Switzerland. Intracollection pairings of single-spore isolates revealed a tetrapolar mating system. Intercollection pairings showed that collections from these geographic areas were fully intercompatible. These data indicate that no genetic barriers to gene flow exist between populations of P. conchatus from Illinois and Switzerland.