| 1 | Native | Southern America | Brazil | Brazil | Paraná | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Brazil | Brazil | Rio Grande do Sul | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Brazil | Brazil | Santa Catarina | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Brazil | Brazil | São Paulo | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Argentina | Buenos Aires | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Argentina | Córdoba | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Argentina | Entre Ríos | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Argentina | Mendoza | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Argentina | San Juan | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Argentina | Santa Fe | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Argentina | Tucumán | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Uruguay | Artigas | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Uruguay | Canelones | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Uruguay | Colonia | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Uruguay | Montevideo | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Uruguay | Salto | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Uruguay | Soriano | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 1 | Native | Southern America | Southern South America | Uruguay | Tacuarembó | | Lourteig, A. 2000. Oxalis L. subgéneros Monoxalis (Small) Lourt., Oxalis y Trifidus Lourt. Bradea 7:429. |
| 2 | Cultivated | | | | | also cult. | |
| 4 | Naturalized | | | | | natzd. elsewhere | |