Here's a little guide to some of the places that they were popular at.
https://www.jonesaroundtheworld.com/...ooms-thailand/
Back in the late 80's when I first travelled here, the beach resorts in the south were thriving with Mushroom omelettes soup and tea. as was numerous other drugs and openly sold in the cafes/restaurants.
here are the names of some of the species you can find here.
P. cyanescens
P. semilanceata
P. pelliculosa
P. stuntzii
G. luteofolius
Pan. cinctulus