Attention: Latin names used in this index originate from historic literature and in many cases do not correspond to modern botanical nomenclature.
Wolffia brasiliensis --> Zantedeschia albo-maculataWolffia brasiliensis  | 
Woodsia alpina  | 
Woodsia ilvensis  | 
Woodwardia  | 
Woronina polycystis  | 
Wragelia penicillata  | 
Wrangelia multifida  | 
Wrangelia penicillata  | 
Wulfenia carinthiaca  | 
Wulfenia carinthiaca  | 
Wulfenia carinthiaca  | 
Wulfenia carinthiaca  | 
Wundklee  | 
Xanthidium armatum  | 
Xanthidium fasciculatum  | 
Xanthium spinosum  | 
Xanthium spinosum  | 
Xanthium spinosum  | 
Xanthium strumarium  | 
Xanthium strumarium  | 
Xanthium strumarium  | 
Xanthium strumarium  | 
Xanthium strumarium  | 
Xanthoceras sorbifolia  | 
Xanthoceras.  | 
Xanthoria parietina  | 
Xanthorrhoea preissii  | 
Xanthorrhoea preissii  | 
Xanthorrhoea semiplana  | 
Xanthorrhoea semiplana  | 
600 dpi high resolution scan (TIFF image) Xenococcus kerneri  | 
Xylaria hypoxylon  | 
Xylaria nigripes  | 
Xylaria polymorpha  | 
Xylia xylocarpa  | 
Xylopia grandiflora  | 
Xylosma longifolium  | 
Yucca  | 
Yucca aloifolia  | 
Yucca filamentosa  | 
Yucca filamentosa  | 
Yucca filamentosa  | 
Yucca gloriosa  | 
Yucca gloriosa  | 
Yucca radiosa  | 
Zamia  | 
Zamia  | 
Zamia integrifolia  | 
Zamia integrifolia  | 
Zamia muricata  | 
Zanardinia collaris  | 
Zannichellia palustris  | 
Zannichellia palustris  | 
Zannichellia palustris  | 
Zannichellia palustris  | 
Zantedeschia Rehmannii  | 
Zantedeschia aethiopica  | 
Zantedeschia aethiopica  | 
Zantedeschia aethiopica  | 
Zantedeschia albo-maculata  |