| Name | Butyriboletus frostii (J. L. Russell) G. Wu, Kuan Zhao & Zhu L. Yang |
| Authorship | (J. L. Russell) G. Wu, Kuan Zhao & Zhu L. Yang |
| Rank | Species |
| Placed in | Butyriboletus D. Arora & J. L. Frank |
| Citation | 2016 Fungal Diversity 81: 72 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Butyriboletus frostii (J. L. Russell) G. Wu, Kuan Zhao & Zhu L. Yang |
| Identification made in | 2018 (1) |