| united states | arizona | argemone munita subsp. rotundata | subspecies | 1 | 0 |
| united states | california | argemone munita | species | 3 | 0 |
| united states | california | argemone munita subsp. rotundata | subspecies | 1 | 0 |
| united states | nevada | argemone munita subsp. rotundata | subspecies | 1 | 0 |