Ornamentation of ascospores (6000× magnification photograph under scanning electron microscope) A Buellia alpina B Buellia elegans C Buellia epigaea Scale bars: 2 µm (A–C).

  Part of: Ai M, Li LJ, Worthy FR, Yin AC, Zhong QY, Wang SQ, Wang LS, Wang XY (2022) Taxonomy of Buellia epigaea-group (Caliciales, Caliciaceae), revealing a new species and two new records from China. MycoKeys 92: 45-62. https://doi.org/10.3897/mycokeys.92.83939