Family Pucciniaceae is primarily a fungal family that is categorized under the order Pucciniales. It is also known as the rust fungi family and includes around 100 genera and 5000 species. Some of the commonly used synonyms for the term 'Family Pucciniaceae' are rust fungi family, Uredinales, and Urediniomycetes. The rust fungi family members are biotrophic parasites that cause diseases in various plant parts, including leaves, stems, flowers, and fruits. These fungi have a complex life cycle that involves two different host plants, making them a challenging group to control. The rust fungi have significant economic importance, as they cause crop damage that can lead to devastating economic losses.