| Name | Placodium microphyllinum Tuckerman |
| Authorship | Tuckerman |
| Rank | Species |
| Placed in | Placodium Hill ex F. H. Wiggers |
| GUID | urn:lsid:indexfungorum.org:names:401210 |
| Citation | 1882 Syn. N. Amer. Lich. 1: 174 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Placodium microphyllinum Tuckerman |
| Identification made in | [no date] (1) |