Septoria violae

are host of

• Global Biotic Interactions: Puccinia violae (Schumach.) DC. 1815

have host

• Global Biotic Interactions: Viola riviniana Rchb. (common dog-violet)
• Global Biotic Interactions: Viola sororia Willd. (common blue violet)
• Global Biotic Interactions: Viola rotundifolia Michx. (roundleaf yellow violet)
• Global Biotic Interactions: Viola primulifolia L. (Primrose leaved violet)
• Global Biotic Interactions: Viola lanceolata L. (bog white violet)