Whiteflower Leafcup

Polymnia canadensis L.

are host of

• Global Biotic Interactions: Liriomyza hypopolymnia Eiseman & Lonsdale 2021
• Global Biotic Interactions: Liriomyza hypopolymnia Eiseman & Lonsdale 2021
• Global Biotic Interactions: Liriomyza hypopolymnia Eiseman & Lonsdale 2021
• Global Biotic Interactions: Leptosphaeria
• Global Biotic Interactions: Sclerotiomyces colchicus
• Global Biotic Interactions: Sclerotiomyces colchicus
• Global Biotic Interactions: Puccinia dioicae Magnus 1877
• Global Biotic Interactions: Puccinia dioicae Magnus 1877
• Global Biotic Interactions: Puccinia dioicae Magnus 1877
• Global Biotic Interactions: Septoria polymniae
• Global Biotic Interactions: Septoria polymniae
• Global Biotic Interactions: Septoria polymniae
• Global Biotic Interactions: Septoria polymniae
• Global Biotic Interactions: Septoria polymniae
• Global Biotic Interactions: Septoria polymniae
• Global Biotic Interactions: Septoria polymniae
• Global Biotic Interactions: Septoria polymniae
• Global Biotic Interactions: Leptosphaeria longipedicellata J. H. Mill. & Burton 1942
• Global Biotic Interactions: Acrospermum compressum Tode 1790
• Global Biotic Interactions: Acrospermum compressum Tode 1790
• Global Biotic Interactions: Puccinia asterum (Schwein.) F. Kern 1917
• Global Biotic Interactions: Phomopsis arctii (Lasch) Traverso 1906
• Global Biotic Interactions: Chlosyne nycteis Doubleday (1847) (Silvery Checkerspot)
• Global Biotic Interactions: Puccinia dioicae Magnus 1877
• Global Biotic Interactions: Leptosphaeria doliolum (Pers.) Ces. & De Not. 1863
• Global Biotic Interactions: Puccinia lapsanae Fuckel 1860