Phragmidium fragariae . a, b. On Potentilla sterilis: a. Aeciospore; b. Aecial paraphysis; c, d. On Potentilla alba: c. Urediniospore; d. Teliospores, the left spore shows that these are sometimes (almost) smooth; (a–d from Klebahn 1914: 692, as Ph. fragariastri).

 
 
  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