| Name | Lecanora leprosa f. rugosa (Riddle) Zahlbruckner |
| Authorship | (Riddle) Zahlbruckner |
| Rank | Forma |
| Placed in | Lecanora leprosa Fée |
| Citation | 1928 Cat. Lich. Univ. 5: 481 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lecanora leprosa f. rugosa (Riddle) Zahlbruckner |
| Identification made in | [no date] (1) |
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