Artemisia argentea Seb. & Maur. ex Willk. & Lange accepted as Artemisia arborescens (Vaill.) L. (original description)
Artemisia basilica Webb ex Willk. & Lange accepted as Artemisia granatensis Boiss. (original description)
Artemisia campestris auct.hisp. ex Willk. & Lange (original description)
Artemisia cernua Dufour ex Willk. & Lange accepted as Artemisia biennis Willd. (original description)
Artemisia cernuiflora Dufour ex Willk. & Lange accepted as Artemisia biennis Willd. (original description)
Artemisia glacialis Bourg. ex Willk. & Lange accepted as Artemisia granatensis Boiss. (original description)
Artemisia maritima Pourr. ex Willk. & Lange accepted as Artemisia gallica Schur (original description)
Artemisia ramosa Lag. ex Willk. & Lange accepted as Artemisia biennis Willd. (original description)
Artemisia seriphium Pourr. ex Willk. & Lange accepted as Artemisia biennis Willd. (original description)
Aster aragonensis bout. ex Willk. & Lange accepted as Aster willkommii Sch.Bip. (original description)
Bolosia Pourr. ex Willk. & Lange accepted as Hispidella Lam. (original description)
Bolosia piloselloides Pourr. ex Willk. accepted as Hispidella hispanica barnad. ex Lam. (original description)
Calcitrapa longifolia Willk. & Lange (original description)
Carduus ciliatus Pourr. ex Willk. & Lange (original description)
Carduus confertus Bourg. ex Willk. & Lange accepted as Carduus meonanthus Hoffmanns. & Link (original description)
Centaurea acaulis Lag. ex Willk. & Lange (original description)
Centaurea acaulis Lag. (original description)
Centaurea graminifolia Pourr. ex Willk. & Lange accepted as Cyanus triumfettii (All.) Dostál ex Á.Löve & D.Löve (original description)
Centaurea iserniana Graells ex Willk. & Lange accepted as Centaurea janerii Graells (original description)
Centaurea montana Auct. ex Willk. & Lange accepted as Cyanus triumfettii (All.) Dostál ex Á.Löve & D.Löve (original description)
Centaurea paniculata auct.hisp. ex Willk. & Lange (original description)
Centaurea phrygia Lapeyr. ex Willk. & Lange accepted as Centaurea nigra L. (original description)
Centaurea sicula Lam. ex Willk. & Lange (original description)
Centaurea spachii Sch.Bip. ex Willk. & Lange (original description)
Cineraria campestris zett. ex Willk. & Lange accepted as Tephroseris helenitis (L.) B.Nord. (original description)
Cineraria cordifolia Lapeyr. ex Willk. & Lange accepted as Senecio doronicum (L.) L. (original description)
Cineraria integrifolia Benth. ex Willk. & Lange accepted as Tephroseris helenitis (L.) B.Nord. (original description)
Cirsium grumosum (Hoffmanns. & Link) Willk. & Lange accepted as Cirsium filipendulum Lange (original description)
Cota cossoniana (Rchb.f.) Willk. & Lange accepted as Cota triumfetti (L.) J.Gay (original description)
Crepis dioscoridis Pourr. ex Willk. & Lange (original description)
Crepis nemorum Pourr. ex Willk. & Lange accepted as Crepis capillaris (L.) Wallr. (original description)
Crepis sulphurea Pourr. ex Willk. & Lange (original description)
Doronicum carpetanum Boiss. & Reut. ex Willk. & Lange (original description)
Doronicum pardalianches Lag. ex Willk. & Lange accepted as Doronicum glaciale (Wulfen) Nyman (original description)
Doronicum scorpioides (L.) Lapeyr. ex Willk. & Lange accepted as Doronicum glaciale (Wulfen) Nyman (original description)
Erigeron glabratus endr. ex Willk. & Lange accepted as Erigeron pulchellus Michx. (original description)
Evax lasiocarpa Lange ex Willk. & Lange accepted as Facelis lasiocarpa (Griseb.) Cabrera (original description)
Galactites pyracantha Durieu ex Willk. & Lange accepted as Galactites duriaei (original description)
Gnaphalium carpetanum Boiss. & Reut. ex Willk. & Lange accepted as Gnaphalium sylvaticum L. (original description)
Hieracium auricula Willk. ex Willk. & Lange (original description)
Hieracium calocephalum Scheele ex Willk. & Lange (original description)
Hieracium coriaceum Scheele ex Willk. & Lange (original description)
Hieracium crinitum Fries ex Willk. & Lange (original description)
Hieracium divaricatum Scheele ex Willk. & Lange (original description)
Hieracium intybus Scheele ex Willk. & Lange (original description)
Hieracium legionense Coss. ex Willk. & Lange (original description)
Hieracium rubescens Jord. ex Willk. & Lange (original description)
Leontodon hispidus Coss. & Bourg. ex Willk. & Lange (original description)
Leontopodium alpinum Colmeiro ex Willk. & Lange (original description)
Leucanthemum silvaticum Willk. & Lange (original description)
Oporinia autumnalis Coss. ex Willk. & Lange (original description)
Oporinia pyrenaica Sch.Bip. ex Willk. & Lange (original description)
Picris rhagadioloides Willk. ex Willk. & Lange (original description)
Pyrethrum abrotanifolium Pourr. ex Willk. & Lange (original description)
Pyrethrum montanum Pourr. ex Willk. & Lange (original description)
Pyrethrum versicolor Pourr. ex Willk. & Lange (original description)
Santolina grandiflora Pourr. ex Willk. & Lange (original description)
Scorzonera orientalis Cav. ex Willk. & Lange accepted as Crepis albida Vill. (original description)
Senecio canus Pourr. ex Willk. & Lange (original description)
Senecio jacobaea Brot. ex Willk. & Lange (original description)
Senecio laciniatus Schousb. ex Willk. & Lange (original description)
Senecio tasna Welw. ex Willk. & Lange (original description)
Seridia longifolia Willk. & Lange (original description)
Solidago minuta Thore ex Willk. & Lange (original description)
Sonchus pauciflorus echeand. ex Willk. & Lange accepted as Sonchus maritimus L. (original description)
Sonchus tomentosus Palau ex Willk. & Lange accepted as Crepis albida Vill. (original description)
Tanacetum funkii Sch.Bip. ex Willk. & Lange (original description)
Xeranthemum sesamoides J.Gay ex Willk. & Lange (original description)