Blue cheese is frequently used as a generic term to describe a variety of blue veined cheeses. These are all aged blue-veined cheeses made by inoculating a cheese with a specific mold. The blue-green growth is edible and the flavor varies with the type of inoculant used as well as the aging process.
There are hundreds of varieties of blue cheeses from around the world. A few notables are:
Butlers Blacksticks Blue - Blacksticks Blue is a new, soft, blue-veined cheese from Butlers Farmhouse Cheeses. Made solely with pasteurized milk from the family's cows, the cheese is matured for eight weeks, during which it develops an amber hue.
The list of blue cheeses is quite lengthy but for example here are a few common versions: