''Myrothecium roridum'' is a fungal
plant pathogen
Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomyc ...
.
Myrotoxin B has been isolated from it.
References
Fungal plant pathogens and diseases
Stachybotryaceae
Fungi described in 1790
{{fungus-plant-disease-stub