Hypericum rust

Rust infecting a leaf

Hypericum rust (Melampsora hypericorum) is a plant pathogen that attacks plants in the Hypericum genus, such as this tutsan. Photo by naturewatchwidow, via iNaturalist, CC BY 4.0Read more

Hypericum rust [https://inaturalist.nz/observations/114061765] (Melampsora hypericorum) is a plant pathogen that attacks plants in the Hypericum genus, such as this tutsan. Photo by naturewatchwidow, CC BY.