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
What Kind of an American are You? found at Pritzker Military Museum & Library. The song urges Americans (specifically immigrants) to use this war to prove their loyalty to the United States; whether that may be by fighting or by simply standing behind the US's actions. For those who show no support, this question is posed: "What are you doing over here?" It upholds the "us-against-them" mentality; the "them" in this case is Germany. The chorus is as follows: What Kind of an American are You? What Kind of an American are you?, also known as What Kind of American are you?, is a World War I