Artemisia biennis Willd. (original description)
Cacalia rotundifolia Willd. accepted as Cyanthillium cinereum (L.) H.Rob. (original description)
Centaurea cheiranthifolia Willd. accepted as Cyanus cheiranthifolius (Willd.) Soják (original description)
Eupatorium cotinifolium Willd. accepted as Baccharis cotinifolium (Willd.) Urb. (original description)
Filago leontopodioides Willd. accepted as Antennaria rosea subsp. confinis (Greene) R.J.Bayer (original description)
Lactuca palmata Willd. accepted as Lactuca sativa L. (original description)
Prenanthes sarmentosa Willd. accepted as Launaea sarmentosa (Willd.) Sch.Bip. ex Kuntze (original description)