Chondrilla juncea subsp. acanthophylla (Borkh.) Arcang. accepted as Chondrilla juncea L. (original description)
Chondrilla juncea subsp. latifolia (M.Bieb.) Arcang. accepted as Chondrilla latifolia M.Bieb. (original description)
Crepis taraxacifolia subsp. hyemalis (Biv.) Arcang. accepted as Crepis vesicaria subsp. hyemalis (Biv.) Babc. (original description)
Crepis taraxacifolia subsp. praecox (Balb.) Arcang. accepted as Crepis vesicaria subsp. taraxacifolia (Thuill.) Thell. (original description)
Crepis virens subsp. parviflora Arcang. (original description)
Hedypnois polymorpha subsp. cretica (L.) Arcang. accepted as Hedypnois rhagadioloides (L.) F.W.Schmidt (original description)
Hedypnois polymorpha subsp. erecta (Gren. & Godr.) Arcang. accepted as Hedypnois rhagadioloides (L.) F.W.Schmidt (original description)
Hedypnois polymorpha subsp. monspeliensis (Bisch.) Arcang. accepted as Hedypnois rhagadioloides (L.) F.W.Schmidt (original description)
Hedypnois polymorpha subsp. rhagadioloides (L.) Arcang. accepted as Hedypnois rhagadioloides (L.) F.W.Schmidt (original description)
Hypochaeris radicata subsp. heterocarpa (Moris) Arcang. accepted as Hypochaeris radicata subsp. platylepis (Boiss.) Jahand. & Maire (original description)
Lactuca scariola subsp. augustana (All.) Arcang. accepted as Lactuca serriola L. (original description)
Leontodon proteiformis subsp. hastilis (L.) Arcang. accepted as Leontodon hispidus subsp. hastilis (L.) Pawłowska (original description)
Leontodon pyrenaicus subsp. aurantiacus (Willd.) Arcang. accepted as Scorzoneroides crocea (Haenke) Holub (original description)
Prenanthes purpurea subsp. tenuifolia (L.) Arcang. accepted as Prenanthes purpurea L. (original description)