Venturia inaequalis is an ascomycete that  causes apple scab and has a hemi-biotrophic lifestyle.

Cercospora beticula is a deuteromycete fungus that reproduces using conidia. It causes serious damage on beets and has a necrotrophic lifestyle.

Causative agent is the fungus Gymnosporangium sabinae that is a rust, belonging to the basidiomycota and undergoes during its lifecycle a host switch. On Pyrus species (pear) it causes gall formation with aecia producing aeciospores. On Juniperus it forms teliospores as its second host.