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 (teliospore), known as the "brand" (burn) spore or chlamydospore. Economic importance. They can infect corn plants ("Zea mays") 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.