Ustilaginales is a term used to refer to a group of fungi that cause diseases in plants. However, there are several synonyms for this term, which can be useful to expand one's understanding of this subject. Some of the synonyms for Ustilaginales include smut fungi, true smuts, and the Ustilaginomycotina. These terms are often used interchangeably to describe the same group of fungi. It is important to note, however, that the Ustilaginales are just one of many fungal groups that can cause plant diseases, and understanding the differences between them can be critical to successful plant management and disease control.