Tupistra jinshanensis

Umbellularia californica

Uvularia grandiflora

Uvularia perfoliata

Verbena rigida

Vinca difformis

Woodwardia fimbriata

Woodwardia orientalis

Woodwardia unigemmata

Xanthorhiza simplicissima

Y. elata x schottii

Y. thompsoniana x pallida

Yucca filamentosa 'Bright Edge'

Yucca filamentosa 'Golden Sword'

Yucca filamentosa × campestris

Yucca filamentosa × glauca

Yucca filamentosa × pallida

Yucca filamentosa × thompsoniana

Yucca glauca ×karlsruhensis

Yucca harrimaniae

Yucca karlsruhensis × arkansana

Yucca karlsruhensis × elata

Yucca recurvifolia

Yucca rostrata

Yucca schottii

Yucca treculiana

Zauschneria californica

Zingiber mioga

Ziziphus floribunda

​Sisyrinchium californicum

Rhodotypos scandens

Pinus virginiana

Chamaerops humilis var. cerifera

Ephedra fragilis

Begonia emeiensis

Primula marginata