Coral Tooth mushrooms (Hericium coralloides) - Edible, native and delicious! - Will Borowski’s been growing these beauties in his home mushroom cultivation setup on blocks of grain spawn | Mushroom Cultivation | Author: Kirsten Bradley
The easiest way to grow mushrooms at home is with a five gallon bucket full of coffee grounds, and some Oyster Mushroom spawn. Spent coffee grounds can almost always be obtained free from a nearby coffee shop. Oyster mushroom spawn can be purchased online from Amazon or from a mushroom lab near you. Detailed instructions for putting together a five gallon mushroom farm can be found http://www.stormthecastle.com/terrarium/how-to-grow-mushrooms.htm
This guy has tons of free PDF's and PowerPoints on growing and caring for mushrooms. He also has stuff on mushroom hunting (mushroom foraging), etc. He has workshops too, on growing and finding mushrooms.
Mushroom production is complicated, labor and time-intensive process. If you are planning to start a mushroom farm, there is no better way to prepare than to know what your project entails. | Mushroom cultivation in The Third World