Erysiphe cruciferarum Opiz ex L. Junell 1967

Erysiphe cruciferarum a1 (1)

Jerzy Opioła   Wikimedia Commons

Erysiphe crucifererum SR6 (3)

Jerzy Opioła   Wikimedia Commons

Erysiphe cruciferarum on Alliaria petiolata (28973788267)

Björn S...|sourceurl=https://flickr.com/photos/40948266@N04/28973788267%7Carchive=http://web.archive.org/web/20190117143149/https://www.flickr.com/photos/40948266@N04/28973788267/%7Creviewdate=2018-11-03 17:23:17|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Erysiphe cruciferarum on Alliaria petiolata (42973834595)

Björn S...|sourceurl=https://flickr.com/photos/40948266@N04/42973834595%7Carchive=https://web.archive.org/web/20200506110717/https://flickr.com/photos/40948266@N04/42973834595%7Creviewdate=2018-11-03 17:18:25|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons

Erysiphe crucifererum SR6 (4)

Jerzy Opioła   Wikimedia Commons

Erysiphe cruciferarum on Alliaria petiolata (43005818545)

Björn S...|sourceurl=https://flickr.com/photos/40948266@N04/43005818545%7Carchive=http://web.archive.org/web/20190117144637/https://www.flickr.com/photos/40948266@N04/43005818545/%7Creviewdate=2018-11-03 17:23:22|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2   Wikimedia Commons