Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018. Scientific name: Oxalis stricta L.; also O. europaea Jord. Common name(s): common yellow wood-sorrel, common yellow oxalis, yellow wood-sorrel, upright yellow-sorrel, lemon clover, sourgrass Links: USDA PLANTS Profile , NPIN Profile, Go Botany Images: (to see enlargements [PC]: click