Cannabis sativa L. is added to the host list of Lasiodiplodia theobrom
ae. Sphaeria cannabis is synonymous with the anamorph of Botryosphaeri
a obtusa. The microconidial state of B. obtusa is described but unname
d. Two synanamorphs of Botryosphaeria marconii are named as new specie
s - Leptodothiorella marconii and Fusicoccum marconii. The use and abu
se of synanamorphs is discussed.