Leucocoprinus birnbaumii

Description
These bright yellow mushrooms frequent warm and humid regions of the world and sometimes indoor potted plants. They're most identifiable by their bright yellow color caused by birnbaumins, a toxic yellow pigment compound. Its cap ranges from a bright yellow to a whitish yellow and its stem may or may not contain a yellow ring. They may be found alone or in clusters on the ground.

These mushrooms are not harmful to living plants.

Edibility
Eating this fungus should be avoided.