Tubercularia ulmea J. C. Carter 1947

Description: English: Tubercularia ulmea fruiting bodies on Siberian elm, in the United States. Date:. Source: : This image is Image Number 2252013 at IPM Images, a source for agricultural and pest management pictures operated by the Center for Invasive Species and Ecosystem Health, Colorado State University, USDA CSREES and the Southern Plant Diagnostic Network.. Author: Oscar Dooling, USDA Forest Service, Bugwood.org.