White winter truffles are harvested between October and December. Other varieties of truffle mushroom include white summer truffle and black summer truffle. Harvested from January through April, white summer truffle is the least popular among the main types of truffles. Its meat is off-white with traces of tan, while its outer skin is white or tan. Desert Truffles Also known as the lightning truffle, the desert truffle produces fruit right after rainfall on the desert. This truffle type can be found in the Middle East and northern Africa. 4. French Black Truffles or Perigord Truffles French black truffles are considered the best truffle variety, which is why it can cost as much as $1,000 per pound. Because it is so expensive, chefs came up with an idea to turn fresh truffles into oil or a concentrate which has all the taste and odor of truffle without worrying that the fresh truffle would go into waste over time. Truffle oils are being used to give flavor or to enhance the taste of truffles when used in cooking. Its color is blue-black on the outside and would eventually turn to brown-black as it ages. Piedmont truffle the Italian white which is light-colored and brittle. It would be beige in color and would turn to dark-brown as it matures. Summer truffle- found in France, Italy and Spain. It is black outside and off-white on the inside. It is interesting to note, though, that such a power in fact has no scientific basis. There is no solid evidence yet that proves the claim that truffles have the ability to stimulate sexual drive in humans, let alone animals. Despite that lack of proof of the truffles mystical power, their smell makes you want to inhale it over and over. Because these are widely available, Chinese truffles are the ones that are being exported very often to the West areas and are considered an inferior-quality substitute for black truffles. There are also other types of Chinese Truffles including the tuber melanosporum which are usually made into truffle extracts and is sold at a high price; the tuber himalayensis which looks very similar to the tuber melanosporum an is only harvested in the Chinese Himalayas; the tuber sinensis, which are also found in high places and the Chinese summer white truffle.