Cystolepiota amazonica is a species of mushroom-producing fungus in the family Agaricaceae.

[3] Cystolepiota amazonica is a very small brownish mushroom with white flesh.

It is not hygrophanous or viscid ad is wrinkled (rugulose) or smooth with subsulcate striations at the margins.

Stem: 1.2 cm tall and 0.8mm thick tapering slightly with a thinner apex.

[3] The specimens studied by Singer were found growing solitary on fallen, rotting leaves of Dicotyledon plants in the tropical forests of Brazil, 30 km North of Manaus.