Triphragmium ulmariae on Filipendula ulmaria: a1, a2. Primary uredinia on deformed leaf veins; b. Orange secondary uredinia and blackish telia; c. Telia; d. Teliospores; (a by Julia Kruse; d from Poelt and Zwetko 1997: 333).

 
 
  Part of: Zwetko P, Scheuer C, Krisai-Greilhuber I, Blanz P (2024) Rust fungi of Austria 1 (excluding Puccinia s.l. and Uromyces): Melampsoraceae and related families, Gymnosporangiaceae, Ochropsoraceae, Phragmidiaceae, Tranzscheliaceae, and Genera incertae sedis. Biosystematics and Ecology 3: e123592. https://doi.org/10.1553/biosystecol.3.e123592