Iris pseudacorus
![Iris pseudacorus_yellowflag iris flower_ JM Di Tomaso](https://www.cal-ipc.org/wp-content/uploads/2017/10/Iris-pseudacorus_yellowflag-iris-flower_-JM-Di-Tomaso-300x225.jpg)
- Common name(s): yellowflag Iris; pale yellow Iris
- Synonym(s): Iris acoriformis, Iris bastardi, Iris curtopetala, Iris lutea, Iris paludosa
- All names: Iris pseudacorus, Iris acoriformis, Iris bastardi, Iris curtopetala, Iris lutea, Iris paludosa, yellowflag iris, pale yellow iris