Artemisia abrotanifolia Siev. (original description)
Artemisia crithmifolia Sievers accepted as Artemisia glabella Kar. & Kir. (original description)
Centaurea pectinata Siev. accepted as Centaurea calva Ledeb. ex DC. (original description)
Cnicus asiaticus Sievers (original description)
Cnicus esculentus Sievers (original description)
Cnicus uniflorus Sievers accepted as Rhaponticum carthamoides (Willd.) Iljin (original description)
Echinops maximus Siev. accepted as Echinops sphaerocephalus L. (original description)
Serratula coronaria Siev. (original description)
Tanacetum tomentosum Siev. (original description)