Horned Pansy

Viola cornuta L.

are eaten by

• Global Biotic Interactions: Myzus (Myzus) ornatus (Ornate aphid)
• Global Biotic Interactions: Euptoieta claudia Cramer 1775 (Variegated Fritillary)
• Global Biotic Interactions: Euptoieta claudia Cramer 1775 (Variegated Fritillary)
• Global Biotic Interactions: Speyeria diana Cramer 1779 (Diana Fritillary)

are host of

• Global Biotic Interactions: Golovinomyces orontii (Castagne) V. P. Heluta 1988
• Global Biotic Interactions: Ramularia ionophila
• Global Biotic Interactions: Fusarium oxysporum Schltdl. 1824 (Panama disease)
• Global Biotic Interactions: Podosphaera violae (U. Braun) U. Braun & S. Takam. 2000
• Global Biotic Interactions: Colletotrichum violae-tricoloris

are parasitized by

• Global Biotic Interactions: Golovinomyces orontii (Castagne) V. P. Heluta 1988
• Global Biotic Interactions: Peronospora violae
• Global Biotic Interactions: Puccinia violae (Schumach.) DC. 1815
• Global Biotic Interactions: Puccinia violae (Schumach.) DC. 1815

have flowers visited by

• Global Biotic Interactions: Bombus hortorum (Linnaeus 1761) (Small garden bumblebee)

have pathogen

• Global Biotic Interactions: Mycocentrospora acerina (R. Hartig) Deighton 1972