Wahlenbergia albomarginata Hook. subsp. laxa (Simpson) J.A.Petterson

Wahlenbergia albomarginata Hook subsp. laxa (Simpson) J.A.Petterson

Wahlenbergia angustifolia A.DC.

Wahlenbergia mathewsii Cockayne

Wahlenbergia rupestris G.Simpson x violacea J.A.Petterson

Whitfieldia elongata (P.Beauv.) De Wild. & Th.Dun.

Wigandia caracasana Kunth

Withania riebeckii Schweinf.

Woodfordia fruticosa (L.) Kuntz.

Wyethia mollis A.Gray