Triphragmium . a, b. T. ulmariae on Filipendula ulmaria: a. Urediniospore; b. Teliospore; c, d. T. filipendulae on Filipendula vulgaris: c. Urediniospore; d. Teliospore; (a–d from Klebahn 1914: 692).

 
 
  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