Our Black Perigord Truffles are hand-selected for his or her exceptional quality, making certain a persistently rich and advanced style profile. Bonito, G., Trappe, J.M., Rawlinson, P. & Vilgalys, R. (2010) Improved resolution of main clades inside Tuber and taxonomy of species inside the Tuber gibbosum complex. Vilgalys, R. (2013) Historical biogeography and diversification of truffles within the Tuberaceae and their newly recognized southern hemisphere sister lineage. 2008) Molecular phylogeny and historical biogeography of the genus Tuber, the ‘true truffles’.