| Older names are written in gray. For synonym relationships, use Name Status. | |||
| Yabea |
Yabea microcarpa |
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| Youngia |
Youngia japonica |
Youngia japonica var. japonica |
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| Yucca |
Yucca aloifolia Yucca baccata Yucca baccata var. baccata Yucca brevifolia Yucca gloriosa |
Yucca recurvifolia Yucca schidigera Yucca whipplei Yucca whipplei ssp. cespitosa |
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