| Name | Umbilicaria angulata Tuckerman |
| Authorship | Tuckerman |
| Rank | Species |
| Placed in | Umbilicaria Hoffmann |
| Contains | Umbilicaria angulata f. semitensis Tuckerman |
| GUID | urn:lsid:indexfungorum.org:names:356453 |
| Citation | 1848 Proc. Amer. Acad. Arts 1: 266 |
| Holdings | 28 Specimens held in the Harvard University Herbaria identified as Umbilicaria angulata Tuckerman |
| Identification made in | [no date] (14), 1947 (1), 1948 (5), 2011 (8) |