You can find pictures of mushrooms on The Good Drugs Guide (TGDG) or Rogers Mushrooms. The latter offers photographs of numerous species of mushrooms from all around the world. They are arranged in alphabetical order according to their scientific names.
Rogers Mushrooms provides details like synonyms, edibility, location, fungus color, size, habitat, cap type, spore color and stem type. For example, baeospora myosura, which is also known as conifercone cap, is inedible with a fungus color that ranges from white to cream and a spore color of yellow, cream or white. Growing well on plant manure, this simple stemmed mushroom can be found in Europe and North America. TGDG has pictures of mushrooms like Psilocybe Tampanensis, which is a rare psychedelic.