Phragmidium potentillae . a. On Potentilla heptaphylla: aeciospore; b, c. On Potentilla verna (syn. P. neumanniana, P. tabernaemontani): b. Urediniospore; c. Paraphysis; d, e. On Potentilla trib. Rectae: d1, d2. Yellow epiphyllous leaf spots and corresponding bright orange uredinia; e. Uredinia; f. Telia on Potentilla argentea; g. Telia on Potentilla norvegica; h. Teliospore; (a, b, c, h from Klebahn 1914: 692; f, g by Julia Kruse).

 
 
  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