| Name | Tyromyces fragilis (Fries) Donk: Fries | 
| Authorship | (Fries) Donk: Fries | 
| Rank | Species | 
| Placed in | Tyromyces | 
| Citation | 1933 Meded. Bot. Mus. Herb. Rijks Univ. Utrecht 9: 148 | 
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Tyromyces fragilis (Fries) Donk: Fries | 
| Identification made in | [no date] (16) | 
