| Name | Arthonia susa R. C. Harris & J. C. Lendemer |
| Authorship | R. C. Harris & J. C. Lendemer |
| Rank | Species |
| Placed in | Arthonia Acharius |
| Citation | 2013 Mem. New York Bot. Gard. 104: 19 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Arthonia susa R. C. Harris & J. C. Lendemer |
| Identification made in | 2018 (2) |
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