| Name | Umbilicaria decussata var. darrowii Frey |
| Authorship | Frey |
| Rank | Variety |
| Placed in | Umbilicaria decussata (Villars) Zahlbruckner |
| GUID | urn:lsid:indexfungorum.org:names:428325 |
| Citation | 1936 Ber. Schweiz. Bot. Ges. 45: 224 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Umbilicaria decussata var. darrowii Frey |
| Identification made in | [no date] (1) |