| Xanthocephalum benthamianum Hemsl. |
Accepted |
6 |
| Xanthocephalum centauroides Willd. |
Accepted |
6 |
| Xanthocephalum durangense M. A. Lane |
Accepted |
6 |
| Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. |
Accepted |
6 |
| Xanthocephalum humile (Kunth) Benth. & Hook. |
Accepted |
4 |
| Xanthocephalum dracunculoides (DC.) Shinners |
Synonym of Amphiachyris dracunculoides (DC.) Nutt. |
5 |
| Xanthocephalum linearifolium (DC.) Greenm. |
Synonym of Gutierrezia alamanii A. Gray |
4 |
| Xanthocephalum ramulosum (Greene) Shinners |
Synonym of Gutierrezia ramulosa (Greene) M. A. Lane |
4 |
| Xanthocephalum sarothrae (Pursh) Shinners |
Synonym of Gutierrezia sarothrae (Pursh) Britton & Rusby |
4 |
| Xanthocephalum sericocarpum A. Gray |
Synonym of Gutierrezia sericocarpa (A. Gray) M. A. Lane |
4 |
| Xanthocephalum wrightii (A. Gray) A. Gray |
Synonym of Gutierrezia wrightii A. Gray |
4 |
| Xanthocephalum gymnospermoides subsp. gymnospermoides |
Synonym of Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. |
6 |
| Xanthocephalum gymnospermoides var. gymnospermoides |
Synonym of Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. |
6 |
| Gutierrezia alamanii var. megalocephala (Fernald) M. A. Lane |
Synonym of Xanthocephalum megalocephalum Fernald |
8 |