The answer to this question is Yes. In Bulgaria grow: Tuber Aestivum vitt, Tuber Uncinatum vitt., Tuber Magnatum pico, Tuber Brumale, Tuber Borchii and Tuber Macrosporum. Of course, finding them is a very difficult task. For this purpose, a lot of desire, well-trained dogs or female pigs are needed for this purpose. In dry years, truffles increase the depth in which they thrive to maintain the necessary moisture.