Artemisia procumbens Schrad. ex DC. accepted as Artemisia austriaca Jacq. (original description)
Barkhausia suffreniana DC. accepted as Crepis suffreniana (DC.) J.Lloyd (original description)
Centaurea pouzinii DC. (original description)
Cirsium afrum DC. (original description)
Cirsium diacantha (Labill.) DC. accepted as Ptilostemon diacantha (Labill.) Greuter (original description)
Cirsium italicum (Savi) DC. (original description)
Crepis diffusa DC. accepted as Crepis capillaris (L.) Wallr. (original description)
Drepania ambigua (Balb.) DC. accepted as Tolpis virgata (Desf.) Bertol. (original description)
Drepania umbellata (Bertol.) DC. accepted as Tolpis umbellata Bertol. (original description)
Salmea DC. (original description)
Salmea eupatoria DC. (original description)
Salmea hirsuta (Sw.) DC. accepted as Otopappus hirsutus (Sw.) R.L.Hartm. & Stuessy (original description)
Senecio leucophyllus DC. accepted as Jacobaea leucophylla (DC.) Pelser (original description)
Serratula pollichii DC. (original description)
Sonchus jacquinii DC. accepted as Sonchus congestus Willd. (original description)
Sonchus squarrosus DC. accepted as Sonchus fruticosus L.f. (original description)
Tanacetum canariense DC. accepted as Gonospermum canariense (DC.) Less. (original description)
Taraxacum laevigatum (Willd.) DC. accepted as Taraxacum erythrospermum Andrz. ex Besser (original description)