Puffball. Photo provided by: Nancy Gregory, Plant diagnostician, University of Delaware.
Peony blotch on tree peony leaves.
Hollyhock rust. Image found at the following website: http://www.plantpath.iastate.edu/pdc/node/142
Powdery mildew. Photo provided by: Mike Schomaker, Colorado State Forest Service, Bugwood.org
Giant puffball. Photo provided by: Joseph LaForest, University of Georgia, Bugwood.org
Bacterial leaf scorch distant view. Photo provided by: Edward L. Barnard, Florida Department of Agriculture and Consumer Services, Bugwood.org
Bacterial leaf scorch. Photo provided by: Theodor D. Leininger, USDA Forest Service, Bugwood.org
Daylily leaf streak. Image found at http://hyg.aces.uiuc.edu/secure/subscribers/200611b.html.