California Pest Rating for Puccinia kuehnii (W. Krűger) E. J. Butler 1914 Pest Rating:  C PEST RATING PROFILE Initiating Event: On February 9, 2016, USDA’s Animal and Plant Health Inspection Service (APHIS) notified the CDFA that the rust pathogen, Puccinia kuehnii was added on February 2, 2016, to their ‘List of Pests no Longer Regulated … Continue reading Puccinia kuehnii (W. Krűger) E. J. Butler 1914 →