- Photo: Xanthium spinosum 1.
- Photo: Xanthium spinosum 2.
- Photo: Xanthium spinosum.
- Photo: Xanthorhiza simplicissima 1.
- Photo: Xanthorhiza simplicissima 2.
- Photo: Xanthorhiza simplicissima 3.
- Photo: Xanthorhiza simplicissima 4.
- Photo: Xanthorhiza simplicissima 5.
- Photo: Xanthorhiza simplicissima 6.
- Photo: Xanthorhiza simplicissima.
- Photo: Xanthosoma sagittifolium.
- Photo: Xanthosoma violaceum.
- Photo: Xeranthemum annuum 1.
- Photo: Xeranthemum annuum.
- Photo: Xerophyllum tenax 1.
- Photo: Xerophyllum tenax 2.
- Photo: Xerophyllum tenax.
X
The Xs.