Chaetanthera boliviensis J.Kost. (original description)
Chuquiraga armata J.Kost. accepted as Dasyphyllum armatum (J.Kost.) Cabrera (original description)
Chuquiraga jussieui var. lancifolia (Humb. & Bonpl.) accepted as Chuquiraga jussieui J.F.Gmel. (original description)
Hyaloseris boliviensis J.Kost. (original description)
Hyaloseris quadriflora J.Kost. (original description)
Hypochaeris ornata J.Kost. accepted as Hypochaeris echegarayi Hieron. (original description)
Hypochaeris parvifolia J.Kost. accepted as Hypochaeris hohenackeri (Sch.Bip.) Domke (original description)
Jungia herzogiana Beauverd ex J.Kost. (original description)
Jungia sordida J.Kost. (original description)
Lycoseris retroflexa J.Kost. (original description)
Mutisia flagellaria J.Kost. (original description)
Mutisia ledifolia f. longiflora J.Kost. accepted as Mutisia ledifolia Decne. ex Wedd. (original description)
Mutisia vicia J.Kost. (original description)
Perezia aracencis J.Kost. (original description)
Perezia aracensis J.Kost. (original description)
Perezia nitidifolia J.Kost. accepted as Perezia coerulescens Wedd. (original description)
Perezia obtusisquama J.Kost. accepted as Perezia pungens Less. (original description)
Perezia scalpellifolia Kioster (original description)
Perezia scalpellifolia J.Kost. (original description)
Perezia scalpellifolia var. parvifolia J.Kost. (original description)
Plazia acaciifolia J.Kost. accepted as Hyalis lancifolia Baker (original description)
Polyachyrus oblongiflorus J.Kost. accepted as Polyachyrus poeppigii subsp. poeppigii (original description)
Stevia copiosa J.Kost. (original description)
Stevia vaccinioides J.Kost. (original description)
Trixis rigida J.Kost. (original description)
Vernonia fulta f. tomentosa J.Kost. (original description)