This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: mycology, Subject name: Microbiology
Mycetoma is caused by the following agents except 
Select and explain. 
A. Allescheria boydii, B. Madurella mycetomii, C. Trichosporum beigelli, D. Nocardia asteroides
C: Trichosporum beigelli
Answer: C: Trichosporum beigelli 
Explanation: Trichosporon beigelii- causes white piedra. Eumycetoma - caused by acremonium falciforme, Madurella mycetomi, Madurella grisea, Pseudoallescheria boydii and Exophiala jeanselmei. Actimomycetoma - actinomadura Madurai, actinomadura palletieri, Nocardia brasiliensis and streptomyces somaliensis. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition