| Name | Acarospora molybdina f. microcyclos (Acharius) H. Magnusson |
| Authorship | (Acharius) H. Magnusson |
| Rank | Forma |
| Placed in | Acarospora molybdina (Wahlenberg) Trevisan |
| GUID | urn:lsid:indexfungorum.org:names:478599 |
| Citation | 1936 Förteckn. Skand. Växt., Lavar 53 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Acarospora molybdina f. microcyclos (Acharius) H. Magnusson |
| Identification made in | [no date] (4) |