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
Richard Rust three children, Dorinda, Rachel, and Richard. Rust had a multitude of hobbies, including readings about religion and mysticism, oil paintings, sailing, music, and water skiing. Married to his third wife, Rust died at the age of 56 in Los Angeles, of a heart attack. Richard Rust Richard Rust (July 13, 1938 – November 9, 1994) was an American actor of stage, television, and film born in Boston, probably best remembered for his role as a young lawyer in NBC's "Sam Benedict" series (1962-1963). Rust's mother died when he was five, and his father was an officer in the United States