Related Clues:

• Cereal eater?
• Rye fungus
• It eats cereal
• 29-Down fears them, too (he's mycophobic)
• Fungus that can affect wheat crops
• Plant fungus
• Champignons
• Rye malady
• Hallucinogenic fungus
• Fungal grain disease
• Rye grass malady
• Bane of grain
• Fungous growth on cereals
• Grain fungus
• Disease of cereal grasses