| Name | Peronospora effusa (Greville) Rabenhorst |
| Authorship | (Greville) Rabenhorst |
| Rank | Species |
| Placed in | Peronospora |
| Contains | Peronospora effusa f. chenopodii-albi Saccardo Peronospora effusa f. chenopodii-muralis Saccardo Peronospora effusa var. major Caspary |
| Citation | 1854 Klotzsch. Herb. Vivum Mycol. Sistems Fungorum German. Cent. 19: no. 1880 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Peronospora effusa (Greville) Rabenhorst |
| Identification made in | [no date] (1) |
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