Plantes hôtes
Geranium
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| Coleroa circinans | Coleroa robertiani | Diaporthe geranii |
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| Melanops geranii | Podosphaera fugax | Peronospora conglomerata |
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| Plasmopara geranii | Puccinia pelargonii-zonalis | Ramularia gerani |
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| Uromyces gerani | ||