| Name | Arthonia sexlocularis Zahlbruckner |
| Authorship | Zahlbruckner |
| Rank | Species |
| Placed in | Arthonia Acharius |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Arthonia sexlocularis Zahlbruckner |
| Identification made in | 2019 (1) |
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