Achillea birjuczensis Klokov accepted as Aspilia foliacea (Spreng.) Baker (original description)
Achillea inundata Kondr. (original description)
Arctium chaorum Klokov accepted as Arctium lappa L. (original description)
Arctium glabrescens Klokov accepted as Arctium nemorosum Lej. (original description)
Arctium leptophyllum Klokov accepted as Arctium tomentosum Mill. (original description)
Artemisia cretacea Kotov accepted as Artemisia nutans Willd. (original description)
Artemisia dniproica Klokov accepted as Artemisia campestris L. (original description)
Artemisia elatior Klokov accepted as Artemisia abrotanum L. (original description)
Artemisia lanulosa Klokov accepted as Artemisia alpina Pall. ex Willd. (original description)
Artemisia praticola Klokov accepted as Artemisia santonicum L. (original description)
Artemisia pseudofragrans Klokov accepted as Artemisia lercheana Weber ex Stechm. (original description)
Carduus attenuatus Klokov accepted as Carduus nutans subsp. leiophyllus (Petrovič) Stoj. & Stef. (original description)
Carduus bicolorifolius Klokov accepted as Carduus personata subsp. albidus (Adamović) Kazmi (original description)
Carduus fortior Klokov accepted as Carduus acanthoides L. (original description)
Carduus incanus Klokov accepted as Carduus crispus L. (original description)
Carduus pseudocollinus (Schmalh.) Klokov (original description)
Carduus tauricus Klokov accepted as Carduus hamulosus Ehrh. (original description)
Carduus tyraicus Klokov accepted as Carduus hamulosus Ehrh. (original description)
Carlina taurica Klokov accepted as Carlina vulgaris L. (original description)
Cirsium lipskyi Klokov accepted as Cirsium laniflorum (M.Bieb.) Fisch. (original description)
Jurinea centauroides Klokov accepted as Jurinea cyanoides (L.) Rchb. (original description)
Lamyra echinocephala (Willd.) Klokov (original description)
Tripolium pannonicum (Jacq.) Dobrocz. (original description)