White Rot of Garlic and Onion (Causal Agent, <i>Sclerotium cepivorum</i>): A Status Report from the Pacific Northwest

Fig. 3. Distribution of white rot in the Pacific Northwest from earliest records to 2012. Names of counties in the U.S. and regional districts in Canada are provided in text.



Image from Plant Health Progress article:
White Rot of Garlic and Onion (Causal Agent, Sclerotium cepivorum): A Status Report from the Pacific Northwest