Ustilaginales


The Ustilaginales are an order of fungi within the class Ustilaginomycetes. The order contains 8 families, 49 genera, and 851 species.
Ustinaginales is also known and classified as the smut fungi. They are serious plant pathogens, with only the dikaryotic stage being obligately parasitic.

Morphology

Has a thick-walled resting spore, known as the "brand" spore or chlamydospore.

Economic importance

They can infect corn plants producing tumor-like galls that render the ears unsaleable. This corn smut, is also known as huitlacoche and sold canned for consumption in Latin America.