• Oxalis Linnaeus, 1753
• Oxalis acetosella auct. non L. accepted as Oxalis montana Raf.
• Oxalis albicans Kunth
• Oxalis alpina (Rose) Rose ex R. Knuth
• Oxalis amplifolia auct. non (Trel.) R. Knuth accepted as Oxalis drummondii Gray
• Oxalis angustifolia Kunth accepted as Oxalis frutescens Linnaeus
• Oxalis articulata Savigny
• Oxalis barrelieri Linnaeus
• Oxalis berlandieri Torr. accepted as Oxalis frutescens Linnaeus
• Oxalis bowiei Lindl.
• Oxalis brittoniae Small accepted as Oxalis stricta Linnaeus
• Oxalis bushii (Small) Small accepted as Oxalis stricta Linnaeus
• Oxalis caerulea (Small) R. Knuth
• Oxalis caespitosa Raf. accepted as Oxalis priceae Small
• Oxalis californica (Abrams) R. Knuth accepted as Oxalis albicans Kunth
• Oxalis cernua Thunb. accepted as Oxalis pes-caprae Linnaeus
• Oxalis cespitosa Raf. accepted as Oxalis priceae Small
• Oxalis coloradensis Rydb. accepted as Oxalis stricta Linnaeus
• Oxalis colorea (Small) Fedde accepted as Oxalis priceae Small
• Oxalis corniculata Linnaeus
• Oxalis corymbosa DC. accepted as Oxalis debilis Kunth
• Oxalis cymosa Small accepted as Oxalis stricta Linnaeus
• Oxalis debilis Kunth
• Oxalis decaphylla Kunth
• Oxalis dichondrifolia Gray
• Oxalis dillenii Jacq. accepted as Oxalis stricta Linnaeus
• Oxalis domingensis Urban accepted as Oxalis rugeliana Urban
• Oxalis drummondii Gray
• Oxalis eggersii Urban
• Oxalis europaea Jord. accepted as Oxalis stricta Linnaeus
• Oxalis filipes Small accepted as Oxalis stricta Linnaeus
• Oxalis florida Salisb. accepted as Oxalis stricta Linnaeus
• Oxalis fontana Bunge accepted as Oxalis stricta Linnaeus
• Oxalis frutescens Linnaeus
• Oxalis grandis Small
• Oxalis grayi (Rose) R. Knuth accepted as Oxalis decaphylla Kunth
• Oxalis hirsuticaulis Small accepted as Oxalis priceae Small
• Oxalis hirta Linnaeus
• Oxalis illinoensis Schwegm.
• Oxalis incarnata Linnaeus
• Oxalis interior (Small) Fedde accepted as Oxalis stricta Linnaeus
• Oxalis intermedia A. Rich.
• Oxalis langloisii (Small) Fedde accepted as Oxalis corniculata Linnaeus
• Oxalis latifolia Kunth
• Oxalis laxa Hook. & Arn. accepted as Oxalis radicosa A. Rich.
• Oxalis lyonii Pursh accepted as Oxalis priceae Small
• Oxalis macrantha auct. non (Trel.) Small accepted as Oxalis suksdorfii Trel.
• Oxalis martiana Zucc. accepted as Oxalis latifolia Kunth
• Oxalis metcalfei (Small) R. Knuth accepted as Oxalis alpina (Rose) Rose ex R. Knuth
• Oxalis micrantha Bertero ex Colla accepted as Oxalis radicosa A. Rich.
• Oxalis montana Raf.
• Oxalis monticola Small accepted as Oxalis alpina (Rose) Rose ex R. Knuth
• Oxalis oregana Nutt.
• Oxalis pes-caprae Linnaeus
• Oxalis pilosa Nutt. accepted as Oxalis albicans Kunth
• Oxalis priceae Small
• Oxalis prostrata Haw. accepted as Oxalis stricta Linnaeus
• Oxalis pumila Nutt. accepted as Oxalis suksdorfii Trel.
• Oxalis purpurea Linnaeus
• Oxalis pusilla Salisb. accepted as Oxalis corniculata Linnaeus
• Oxalis radicosa A. Rich.
• Oxalis recurva Ell. accepted as Oxalis priceae Small
• Oxalis recurva Trel. accepted as Oxalis grandis Small
• Oxalis repens Thunb. accepted as Oxalis corniculata Linnaeus
• Oxalis rubra St.-Hil.
• Oxalis rufa Small accepted as Oxalis stricta Linnaeus
• Oxalis rugeliana Urban
• Oxalis rupestris Raf. accepted as Oxalis stricta Linnaeus
• Oxalis simulans Baker accepted as Oxalis radicosa A. Rich.
• Oxalis stricta Linnaeus
• Oxalis suksdorfii Trel.
• Oxalis texana (Small) Fedde accepted as Oxalis priceae Small
• Oxalis trilliifolia Hook.
• Oxalis tuberosa Molina
• Oxalis villosa Bieb. accepted as Oxalis corniculata Linnaeus
• Oxalis violacea Linnaeus
• Oxalis wrightii Gray accepted as Oxalis albicans Kunth
• Oxalistylis H.E. Baillon, 1858 accepted as Phyllanthus Linnaeus, 1753