Leptosphaerulina briosiana - Image of psuedothecium, asci and ascospores. - http://www.apsnet.org/online/archive/1998/alf22.htm
Tan Spot - This disease of cereals is caused by the rust fungus Pyrenophora tritici-repentis. Photographs and information. - http://www.hgca.com/hgca/wde/diseases/TanSpot/Tshost.html
Sooty Moulds - Photographs and information on the Alternaria and Cladosporium species that can infect the ears of most cereals. - http://www.hgca.com/hgca/wde/diseases/Sooty/Soothost.html