no not all mushrooms are edible
An edible mushroom is ant type of mushroom that you can eat without fear of toxic side effects.
mushroom
porcini
Chanterelle
A Caesar's mushroom is an edible mushroom with a distinctive orange cap, with the Latin name Amantita caesarea.
chanterelle
It is an edible fungus.
morel
morels
Portabello!
Pleurotus sajorkaju is an edible mushroom popularly cultivated in commercial scale in Kerala, India.
Shiitake