Rust (fungus) Rust (fungus) Rusts are plant diseases caused by pathogenic fungi of the order Pucciniales (previously also known as Uredinales). An estimated 168 rust genera and approximately 7,000 species, more than half of which belong to the genus "Puccinia", are currently accepted. Rust fungi are highly specialized plant pathogens with several unique features. Taken as a group, rust fungi are diverse and affect many kinds of plants. However, each species has a very narrow range of hosts and cannot be transmitted to non-host plants. In addition, most rust fungi cannot be grown easily in pure culture. A single species of rust
Rust College "Princeton Review", the most popular majors at Rust are biology, general studies, business administration, and computer science. Rust College operates on what is called a module system, which is an 8-week semester class system that allows the college to constantly enroll a steady stream of transfer students every 8 weeks. Most classes have between 10–19 students. According to the college, 42% of all faculty have obtained a PhD. There are 42 faculty members and a student/faculty ratio of 20:1. According to the college, 57% of students return for their sophomore year. Rust College was involved in a lawsuit after a