Anthemis heterophylla (Coss.) Ball accepted as Cladanthus scariosus (Ball) Oberpr. & Vogt (original description)
Atractylis canescens Salzm. ex Ball accepted as Atractylis cancellata L. (original description)
Atractylis gummifera Salzm. ex L. accepted as Carlina gummifera (L.) Less. (original description)
Centaurea chamaerhaponticum Ball accepted as Rhaponticum acaule (L.) DC. accepted as Leuzea acaulis (L.) Holub (original description)
Centaurea sphaerocephala Schousb. ex Ball (original description)
Chrysanthemum gayanum (Coss. & Durieu) Ball accepted as Rhodanthemum gayanum (Coss. & Durieu) B.H.Wilcox, K.Bremer & Humphries (original description)
Chrysanthemum macrotum (Durieu) Ball accepted as Glossopappus macrotus (Durieu) Briq. (original description)
Chrysanthemum webbianum Ball. (original description)
Cnicus flavispinus Ball accepted as Cirsium flavispinum Boiss. (original description)
Cnicus hispanicus Ball (original description)
Crepis tingitana Ball (original description)
Hypochaeris aethnensis Ball accepted as Hypochaeris achyrophorus L. (original description)
Leontodon helminthioides Ball accepted as Picris helminthioides (Ball) Greuter (original description)
Leontodon maroccanus (Pers.) Ball (original description)
Leontodon rothii Ball accepted as Leontodon saxatilis subsp. rothii Maire (original description)
Leontodon salzmannii (Sch.Bip.) Ball accepted as Scorzoneroides salzmannii (Sch.Bip.) Greuter & Talavera (original description)
Leontodon tingitanus (Boiss. & Reut.) Ball (original description)
Matricaria glabra (Lag.) Ball accepted as Otospermum glabrum (Lag.) Willk. (original description)
Matricaria pubescens Ball (original description)
Matricaria tridentata (Delile) Ball accepted as Chlamydophora tridentata (Delile) Ehrenb. ex Less. (original description)
Picris atlantica Ball (original description)
Piptocephalum phaiolepis Ball (original description)
Psiadia rodriguesiana Balf.f. (original description)
Pulicaria dumetorum Salzm. ex Ball (original description)
Pulicaria inuloides Schweinf. ex Ball (original description)
Pyrethrum corymbosum Kralik ex Ball (original description)
Pyrethrum webbianum Coss. ex Ball (original description)
Scorzonera tetuanensis Webb ex Ball accepted as Scorzonera undulata subsp. deliciosa (DC.) Maire (original description)
Senecio coronopifolius Willd. ex Ball (original description)
Senecio hyemalis Salzm. ex Ball (original description)
Sonchus arborescens Salzm. ex Ball accepted as Sonchus tenerrimus L. (original description)
Spitzelia atlantica Coss. ex Ball accepted as Picris atlantica Ball (original description)
Volutarella crupinoides (Desf.) Ball accepted as Volutaria crupinoides (Desf.) Cass. ex Maire (original description)
Volutarella leucantha (Coss.) Ball accepted as Volutaria sinaica (DC.) Wagenitz (original description)
Xanthium sphaerocephalum Salzm. ex Ball accepted as Xanthium strumarium L. (original description)