
Porterweed Rust
November 12, 2025
Sometimes nature can be quite beautiful. This is rust (Puccinia urbaniana) infecting native porterweed (Stachytarpheta jamaicensis). If you look closely, you can even see tiny fly larvae feeding on the spores of the rust fungus.Rust is a type ... READ MORE
Category: Agriculture, , Florida-Friendly Landscaping, Horticulture, Natural Resources, Pests & Disease, Pests & Disease, UF/IFAS, UF/IFAS Extension, UF/IFAS Research, UF/IFAS TeachingTags: Florida Friendly Landscape, Horticulture, Manatee County, Manatee County Extension

