Melampsora , aeciospores on Larix decidua in comparison (combined view and optical section): a. Melampsora farinosa, wall sometimes thinner at certain spots; b. M. laricis-epitea f.sp. typica; c. M. laricis-epitea f.sp. laricis-daphnoidis; d. M. laricis-pentandrae; e. M. laricis-populina; f. M. laricis-tremulae; (a–f from Klebahn 1914: 766, 782, 794).

 
 
  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