| Name | Lyophyllum ambustum (Fries) Singer: Fries | 
| Authorship | (Fries) Singer: Fries | 
| Rank | Species | 
| Placed in | Lyophyllum | 
| Citation | 1943 Ann. Mycol. 41(1/3): 105 | 
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Lyophyllum ambustum (Fries) Singer: Fries | 
| Identification made in | [no date] (3) |