| Name | Xanthoria polycarpa var. spinosa B. de Lesdain |
| Authorship | B. de Lesdain |
| Rank | Variety |
| Placed in | Xanthoria polycarpa (Hoffmann) Rieber |
| GUID | urn:lsid:indexfungorum.org:names:415459 |
| Citation | 1932 Ann. Cryptog. Exot. 5: 127 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Xanthoria polycarpa var. spinosa B. de Lesdain |
| Identification made in | [no date] (6) |
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