| Name | Radulum quercinum (Persoon) Fries: Fries |
| Authorship | (Persoon) Fries: Fries |
| Rank | Species |
| Placed in | Radulum |
| Citation | 1838 ["1836-1838"] Epicr. Syst. Mycol. (Upsaliae): 525 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Radulum quercinum (Persoon) Fries: Fries |
| Identification made in | [no date] (4) |