| Name | Arthonia galactitella (Nylander) Nylander ex Hasse |
| Authorship | (Nylander) Nylander ex Hasse |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arthonia Acharius |
| Citation | 1913 Contr. U.S. Natl. Herb. 17: 18 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Arthonia galactitella (Nylander) Nylander ex Hasse |
| Identification made in | [no date] (4) |