Podosphaera fragariae


Podosphaera fragariae is a species of powdery mildew in the family Erysiphaceae. It is found across Eurasia, on plants in the genera Potentilla and Fragaria, including strawberries.

Description

The fungus forms thin, white irregular patches on the leaves of its host. Podosphaera ''fragariae, like most Erysiphaceae, is highly host-specific and infects only a couple of genera. The species on American species of Potentilla and Fragaria is an undescribed member of the Podosphaera aphanis'' complex.

Taxonomy

The fungus was formally described in 1887 by Harz with the basionym Oidium ''fragariae. The new combination Podosphaera fragariae was created by Bradshaw and Liu in 2025. It is a member of the Podosphaera aphanis'' complex of species and was formally considered conspecific with that species.