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 Day Has It Been What Kind of Day Has It Been "What Kind of Day Has It Been" is the 22nd episode of "The West Wing", the season finale of the show's first season. It originally aired on NBC May 17, 2000. Events circle around the attempted rescue of a US fighter pilot in Iraq, and the president taking part in a town hall meeting in Rosslyn, Virginia. The episode was written by Aaron Sorkin and directed by Thomas Schlamme. "What Kind of Day Has It Been" is also the name of the first-season finales of both the series "Sports Night" and "Studio 60