Description: Ustilago: a - Ustilago avenae, b - Ustilago tritici, c - Ustilago hordei, d - teliospore, e - promycelium. Date: 13 May 2017. Source: File:Brockhaus_and_Efron_Encyclopedic_Dictionary_b7_336-0.jpg. Author: painter from Brockhaus and Efron Encyclopedic Dictionary. Corect: User:Selso.
