Dry bubble Brown spot disease initially forms small round masses and later causes split stipes and deformed mushrooms.
Sepedonium Yellow mold Yellow mold disease is distinguished by white mycelium that gradually turns yellow to tan in appearance.
False Truffle Dense yellowish-white mycelium at the bottom of the compost pile indicates false truffle
Green Mold Trichoderma spot, Trichoderma blotch. Green mould rapidly colonizes organic matter and dead mushroom tissue.
Pink Mould identified by its pink to peach color and flat powdery appearance. Infection generally comes through air
Bacterial blotch Browning is limited to a few millimeters below the cap, mainly affecting the outer cap surface.
Nematode Mushroom nematodes are parasitic roundworms that infect and damage the roots of mushroom crops.
