Florida Division of Plant Industry , Florida Department of Agriculture and Consumer Services, Bugwood.org
black spot (Diplocarpon rosae) symptoms on rose (Rosa spp.)
Florida Division of Plant Industry , Florida Department of Agriculture and Consumer Services, Bugwood.org
black spot (Diplocarpon rosae) symptoms on rose (Rosa spp.)
Florida Division of Plant Industry , Florida Department of Agriculture and Consumer Services, Bugwood.org
black spot (Diplocarpon rosae) symptoms on rose (Rosa spp.)
Florida Division of Plant Industry , Florida Department of Agriculture and Consumer Services, Bugwood.org
black spot (Diplocarpon rosae) symptoms on rose (Rosa spp.)
William Fountain, University of Kentucky, Bugwood.org
Black spot is on these leaves.
Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org
Closer view of infected area on underside of leaf with slightly raised, dark brown, spore-producing bodies ("acervuli").
Bruce Watt, University of Maine, Bugwood.org
Acervuli in leaf spot
Bruce Watt, University of Maine, Bugwood.org
Vertical section of acervuli