Aecial and Telial Host Specificity of var. , a Eurasian Crown Rust Fungus of Two Highly Invasive Wetland Species in North America.

The Eurasian crown rust fungus var. () was recently reported in North America and is widespread across the Midwest and Northeast United States. is a close relative of major pathogens of oats, barley, and turfgrasses.

First report of Puccinia glechomatis, a rust fungus of creeping charlie, in Minnesota.

In 2020 and 2021, at four locations around the Twin Cities, Minnesota (Sep. 2021: 44.980, -93.

First report of a rust fungus (Puccinia sp.) infecting lemongrass in Minnesota.

In July 2021 and July - Oct. 2022, in a community garden near Mankato, Minnesota, rust disease was observed on lemongrass (Cymbopogon citriatus). In 2022, all 20 plants in the garden plot were infected.

var. , a Crown Rust Pathogen of Two Highly Invasive Species, Is Detected Across the Midwest and Northeastern United States.

var. () causes crown rust disease of glossy buckthorn () and reed canarygrass (), two highly invasive plant species in North America. is closely related to major pathogens of cereals, turfgrasses, and forage grasses.