Meadowsweet rust gall Meadowsweet rust gall Triphragmium ulmariae is a species of fungus in the Sphaerophragmiaceae family. It causes meadowsweet rust gall, which develops as a chemically induced swelling, arising from the lower surface of the meadowsweet leaves. This common gall is caused by the foliar 'rust' fungus "Triphragmium ulmariae" (DC.) Link, 1825 . The fungus attacks the petioles and / or midribs of the perennial meadowsweet ("Filipendula ulmaria") plant, a member of the family Rosaceae, causing swelling and distortion. Sori develop with bright orange spores. The rust's spores reach the meadowsweet via air movements and are spread from the galls that develop
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