Mushroom Color Atlas (mushroomcoloratlas.com)
The Mushroom Color Atlas is a resource and reference for everyone curious about mushrooms and the beautiful and subtle colors derived from dyeing with mushrooms. But it is also the start of a journey and a point of departure, introducing you to the kaleidoscopic fungi kingdom and our connection to it.- Mushroom (Wikipedia)
A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground, on soil, or on its food source. Toadstool generally denotes one poisonous to humans.