| Name | Phragmidium obtusum f. potentillae-aureae Saccardo | 
| Authorship | Saccardo | 
| Rank | Forma | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Phragmidium obtusum (F. Strauss) J. C. Schmidt & Kunze | 
| Citation | 1879 Mycoth. Veneta Cent. 14: no. 1321 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phragmidium obtusum f. potentillae-aureae Saccardo | 
| Identification made in | [no date] (1) | 
