| Name | Erysiphe trini Harkness |
| Authorship | Harkness |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1884 Bull. Calif. Acad. Sci. 1(1): 41 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Erysiphe trini Harkness |
| Identification made in | [no date] (9) |
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