wood sorrel vs. clover

any of numerous plants of the genus Oxalis, especially O. acetosella, of Eurasia, having heart-shaped, trifoliolate leaves and white, pink-veined flowers.

any of various plants of the genus Trifolium, of the legume family, having trifoliolate leaves and dense flower heads, many species of which, as T. pratense, are cultivated as forage plants.

any of various plants of allied genera, as melilot.