| Name | Xanthoria fallax (Hepp ex Arnold) Arnold |
| Authorship | (Hepp ex Arnold) Arnold |
| Rank | Species |
| Placed in | Xanthoria (Fries) Th. Fries |
| Citation | 1880 Verh. K.K. Zool.-Bot. Ges. Wien 30: 121 |
| Holdings | 44 Specimens held in the Harvard University Herbaria identified as Xanthoria fallax (Hepp ex Arnold) Arnold |
| Identification made in | [no date] (41), 1960 (2), 2010 (1) |
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