The Family Tilletiaceae comprises various fungal species that parasitize plants in diverse ecosystems. Some common synonyms for this family include the Ustilaginaceae, which is a closely related group of smut fungi that also infect plants. Another synonym is the Systema Zygomycetum, which refers to the family's phylogenetic position among the Zygomycota. Some specific genera within the Tilletiaceae include Tilletia, which causes loose smut of cereal crops, and Urocystis, which causes the rust-like disease on various herbaceous plants. Understanding the synonyms and taxonomic classification of the Family Tilletiaceae is critical for accurate identification and proper management of plant diseases associated with these fungi.