Heyderia is a genus of fungi in the family Hemiphacidiaceae. The genus contains six species.

The genus name of Heyderia is in honour of Johann Ernst Friedrich Heyder (1765-1797), who was a German doctor and botanist from the 'Universitäts-Chirurgicus' in Göttingen.

The genus was circumscribed by Johann Heinrich Friedrich Link in Tent. Disp. Meth. Fung. (Lipsiae) on page 36 in 1797.

Species

  • Heyderia abietis
  • Heyderia agariciphila
  • Heyderia americana
  • Heyderia cucullata
  • Heyderia pusilla
  • Heyderia sclerotiorum