| Name | Placodium atroalbum Tuckerman |
| Authorship | Tuckerman |
| Rank | Species |
| Placed in | Placodium Hill ex F. H. Wiggers |
| GUID | urn:lsid:indexfungorum.org:names:401009 |
| Citation | 1877 Proc. Amer. Acad. Arts 12: 172 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Placodium atroalbum Tuckerman |
| Identification made in | [no date] (4) |
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