| Y |
| Yucca aloifolia, Spanish bayonet; Dagger plant |
| Yucca filamentosa 'Garland Gold', Garland Gold yucca |
| Yucca filamentosa, Adam's needle yucca |
| Yucca filamentosa, Adam's needle; Spanish bayonet |
| Yucca filamentosa, Yucca; Spanish bayonet |
| Yucca flaccida, Weakleaf yucca; Flaccid-leaf yucca |
| Yucca glauca, Small soapweed; Spanish bayonet |
| Yucca gloriosa, Spanish dagger yucca |
| Yucca harrimaniae, New Mexico yucca |
| Yucca recurvifolia, Curveleaf yucca; Pendulous yucca |
| Yucca rostrata, Beaked yucca; Big Bend yucca |