Which of the following is not the causal organism for ringworm?

1. Microsporum                           
2. Trichophyton
3. Epidermophyton                     
4. Macrosporum

(d) Ringworm infections are caused by fungi belonging to the genera Microsporum, trichophyton and Epidermophyton.

Macrosporum is an ectomycorthizal zoosporic fungus causing diseases of
economically important vascular plants.