How many flavors of muffins are there?

Let's start a list: * banana * banana nut * ** walnut ** pecan ** pistacchio * cream cheese * cherry * cherry nut * ** walnut ** pecan ** almond * Nut muffins * ** almond ** walnut ** pecan ** pistacchio * blueberry * raspberry * bosenberry * gooseberry * huckleberry * strawberry * peanut butter * bran * strussel * cinnamon * pumpkin