Flat-bulb Mushroom

The Flat-bulb Mushroom (Agaricus abruptibulbus) is a species of mushroom in the genus Agaricus.

Other names
It is also known as Abruptly-bulbous agaricus.

Description
The Flat-bulb Mushroom is a medium sized mushroom with a yellow-staining cap.

Similar species
Agaricus silvicola (more commonly known as the Wood Mushroom is described to being similar in appearance.