Barkhausia heterocarpa Boiss. accepted as Crepis vesicaria subsp. taraxacifolia (Thuill.) Thell. (original description)
Calendula arvensis Boiss. (original description)
Carduus myriacanthus Boiss. accepted as Carduus myriacanthus Salzm. ex DC. (original description)
Centaurea diversifolia Lag. ex Boiss. accepted as Centaurea aspera L. (original description)
Centaurea haenseleri (Boiss.) Boiss. (original description)
Centaurea hystrix Boiss. accepted as Centaurea seridis subsp. sonchifolia (L.) Greuter (original description)
Centaurea ragusina Clem. ex Boiss. accepted as Centaurea clementei (original description)
Centaurea sonchifolia Boiss. (original description)
Helichrysum serotinum (DC.) Boiss. accepted as Helichrysum italicum subsp. serotinum (Boiss.) P.Fourn. (original description)
Hypochaeris platylepis Boiss. accepted as Hypochaeris radicata subsp. platylepis (Boiss.) Jahand. & Maire (original description)
Leontodon microcephalus (Boiss. ex DC.) Boiss. accepted as Scorzoneroides microcephala Holub (original description)
Matricaria chamomilla var. coronata J.Gay ex Boiss. (original description)
Onopordum nervosum Boiss. (original description)
Phaenixopus orientalis Boiss. (original description)
Picridium lingulatum Boiss. accepted as Reichardia picroides (L.) Roth (original description)
Picris hieracioides Boiss. (original description)
Podospermum calcitrapifolium Boiss. (original description)
Prenanthes cervicornis Boiss. accepted as Launaea cervicornis (Boiss.) Font Quer & Rothm. (original description)
Prolongoa pectinata (L.) Boiss. accepted as Leucanthemopsis pectinata (L.) G.López & C.E.Jarvis (original description)
Ptosimopappus Boiss. accepted as Cheirolophus Cass. (original description)
Ptosimopappus canariensis Boiss. (original description)
Ptosimopappus intybaceus Boiss. (original description)
Ptosimopappus sempervirens Boiss. (original description)
Pyrethrum arundanum Boiss. accepted as Rhodanthemum arundanum (Boiss.) B.H.Wilcox, K.Bremer & Humphries (original description)
Pyrethrum hispanicum Salzm. ex Boiss. (original description)
Scorzonera boetica Boiss. (original description)
Scorzonera crispatula (DC.) Boiss. accepted as Scorzonera hispanica subsp. crispatula (DC.) Nyman (original description)
Senecio aquaticus Boiss. (original description)
Senecio granatensis Boiss. (original description)