Description: Puccinia aristidae causing rust disease on spinach. Date: 14 June 2008. Source: : This image is Image Number 5362978 at Forestry Images, a source for forest health, natural resources and silviculture images operated by The Bugwood Network at the University of Georgia and the USDA Forest Service.. Author: Howard F. Schwartz, Colorado State University. Permission(Reusing this file): Cite: Howard F. Schwartz, Colorado State University, Bugwood.org.
