| Name | Uromyces watsoniae P. Sydow & Sydow |
| Authorship | P. Sydow & Sydow |
| Rank | Species |
| Placed in | Uromyces (Link) Unger |
| Citation | 1910 Monogr. Ured. 2(2): 258 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Uromyces watsoniae P. Sydow & Sydow |
| Identification made in | [no date] (1) |
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