Abstract
The genus Agaricus sp., covers important species such as A. bisporus (Champignon), Agaricus bitorquis ("Bitorquis") and Agaricus brunnescens (Porto Belo), which represent the most important economic sector in the world and in Brazil. Thus, this project aims to map the main Champignon regions producing of the São Paulo State, in order to identify, register and track the source of the main …