Redwood Sorrel

Oxalis oregana Nutt. ex Torr. & Gray

are eaten by

• Global Biotic Interactions: Pieris marginalis Scudder 1861 (Margined White)
• Global Biotic Interactions: Pieris marginalis Scudder 1861 (Margined White)
• Global Biotic Interactions: Pieris marginalis Scudder 1861 (Margined White)
• Global Biotic Interactions: Apis mellifera Linnaeus 1758 (Honey bee)
• Global Biotic Interactions: Melanostoma mellinum (Linnaeus 1758)

are host of

• Global Biotic Interactions: Pegomya pseudobicolor Griffiths 1982
• Global Biotic Interactions: Pegomya pseudobicolor Griffiths 1982
• Global Biotic Interactions: Melanoxa oxalidis (Dietz & G. W. Fisch.) M. Lutz, Vánky & R. Bauer 2013
• Global Biotic Interactions: Melanoxa oxalidis (Dietz & G. W. Fisch.) M. Lutz, Vánky & R. Bauer 2013
• Global Biotic Interactions: Melanoxa oxalidis (Dietz & G. W. Fisch.) M. Lutz, Vánky & R. Bauer 2013

have flowers visited by

• Global Biotic Interactions: Pieris venosa
• Global Biotic Interactions: Pieris venosa
• Global Biotic Interactions: Pieris marginalis Scudder 1861 (Margined White)
• Global Biotic Interactions: Pieris marginalis Scudder 1861 (Margined White)
• Global Biotic Interactions: Diabrotica undecimpunctata Mannerheim 1843 (Spotted Cucumber Beetle)