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
American Rust American Rust American Rust is American writer Philipp Meyer's debut novel, published in 2009. Set in the 2000s, "American Rust" takes place in the fictional town of Buell in Fayette County, Pennsylvania, which is in a rural region referred to as "the Valley" of dilapidated steel towns. "American Rust" focuses on the decline of the American middle class, good-paying manufacturing jobs, and the general sense of economic and social malaise of what has become known as the New Gilded Age. Meyer's novel received rave reviews from book critics; many publications ranked it one of the best novels of 2009. "American