1. species: Phytobia betulae (Kangas, 1935) (accepted name Phytobia cambii)

    Phytobia betulae (Kangas, 1935)
    Phytobia betulae

  2. species: Microsphaera betulae Magnus (accepted name Erysiphe ornata var. europaea)

    Microsphaera betulae
    Microsphaera betulae Magnus

  3. species: Berula erecta (Hudson) Cov. (accepted name Berula erecta)

    Berula erecta
    Berula erecta (Hudson) Cov.

  4. species: Parornix betulae Stainton (accepted name Parornix betulae)

    Parornix betulae
    Parornix betulae Stainton

  5. species: Aradus betulae (Linnaeus) (accepted name Aradus betulae)

    Aradus betulae
    Aradus betulae (Linnaeus)

  6. species: Phaeosolenia betulae (accepted name Cyphella ferruginea)

    Phaeosolenia betulae

  7. species: Erysiphe betulae DC. (accepted name Phyllactinia betulae)

    Erysiphe betulae DC.
    Erysiphe betulae

  8. species: Ceuthospora betulae (accepted name Phacidium betulinum)

    Ceuthospora betulae

  9. species: Propolomyces betulae (Fuckel) ined. (accepted name Propolis farinosa)

    Propolomyces betulae (Fuckel) ined.
    Propolomyces betulae

  10. species: Cryptospora betulae Tul. & C.Tul. (accepted name Cryptosporella betulae)

    Cryptospora betulae
    Cryptospora betulae Tul. & C.Tul.