Edward L. Barnard, Florida Department of Agriculture and Consumer Services, Bugwood.org
Wikimedia Commons
Description: Infestation of the algal leaf spot (Cephaleuros virescens) on ther southern magnolia (Magnolia grandiflora); Green-orange algal spots or "green scruf" on leaf surface. The grayish-white and darker "crusts" are lichens of the genus Strigula resulting from fungal colonization of the alga; family Trentepohliaceae. Date: 21 March 2008. Source: : This image is Image Number 4822066 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: Edward L. Barnard, Florida Department of Agriculture and Consumer Services, Bugwood.org. Permission(Reusing this file): Creative Commons - attribution - 3.0.
