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
Clavate macroconidia are characteristic of which one of the following fungi? 
Select and explain. 
A. E. floccosum, B. C. immitis, C. P. verrucosa, D. M. canis
A: E. floccosum
Answer: A: E. floccosum 
Explanation: Microscopic examination of fungal isolates is essential to the identification of the organism. Macroscopically, the colonies of Epidermophyton have a yellowish appearance. This fungus invades skin and nails but never hair. On microscopic examination, clavate or paddle-shaped macroconidia are evident with rounded ends and smooth walls. Microconidia are absent.