| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Xanthoria ulophyllodes | 0 | 0 | 1 |
| Xanthorrhoeaceae | 2 | 0 | 0 |
| Xenocyon | 1 | 0 | 0 |
| Xenocyon lycaonoides | 0 | 0 | 1 |
| Xeranthemum | 3 | 0 | 0 |
| Xeranthemum annuum L. | 0 | 0 | 1 |
| Xeranthemum cylindraceum Sibth. & Sm. | 0 | 0 | 1 |
| Xeranthemum squarrosum Boiss. | 0 | 0 | 1 |
| Xeropicta Monterosato 1892 | 1 | 0 | 0 |
| Xeropicta derbentina (Krynicki 1836) | 0 | 0 | 1 |
| Xestia | 1 | 0 | 0 |
| Xestia c-nigrum | 0 | 0 | 1 |
| Zea (corn) | 1 | 0 | 0 |
| Zea mays L. (corn,) | 0 | 0 | 1 |
| Zebrina Held 1838 (zebrina) | 1 | 0 | 0 |
