Two new Tuber species from China with spino-reticulate ascospores are described and illustrated. Tuber subglobosum is characterized by its subglobose ascospores with distinct spino-reticulate ornamentation, and T. wenchuanense is recognized by the very irregular spino-reticulate ornamentation on the ascospore surface, with the spines connected to each other at the base and forming U-shaped ridges at the apex. ITS sequence analyses support both new species.
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Fan et al. (2013) studied this question.
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