Aetheolaena involucrata Cass. (original description)
Aetheorhiza bulbosa (L.) Cass. (original description)
Anisoderis rubra (L.) Cass. accepted as Crepis rubra L. (original description)
Aposeris foetida Cass. accepted as Aposeris foetida (L.) Cass. ex Less. (original description)
Asterothrix asperrima (Willd.) Cass. accepted as Leontodon asperrimus (Willd.) Endl. (original description)
Brachyderea Cass. accepted as Crepis L. (original description)
Brachyderea rigida (Waldst. & Kit.) Cass. accepted as Crepis pannonica (Jacq.) K.Koch (original description)
Cacalia fimbrillifera Cass. accepted as Senecio deltoideus Less. (original description)
Cacalia penicillata Cass. accepted as Senecio penicillatus (Cass.) Sch.Bip. (original description)
Carderina reclinata Cass. accepted as Senecio reclinatus L.f. (original description)
Deloderium Cass. accepted as Scorzoneroides Moench (original description)
Deloderium taraxacifolium Cass. accepted as Scorzoneroides hispidula (Delile) Greuter & Talavera (original description)
Diotostephus Cass. accepted as Chrysogonum L. (original description)
Diotostephus repens Cass. accepted as Chrysogonum virginianum var. brevistolon G.L.Nesom (original description)
Dorobaea Cass. (original description)
Dorobaea pimpinellifolia Cass. accepted as Dorobaea pimpinellifolia (Kunth) B.Nord. (original description)
Gynoxys Cass. (original description)
Gynoxys baccharoides (Kunth) Cass. (original description)
Gynoxys buxifolia (Kunth) Cass. (original description)
Gynoxys cordifolia Cass. accepted as Pseudogynoxys cordifolia (Cass.) Cabrera (original description)
Gynoxys fuliginosa (Kunth) Cass. (original description)
Gynoxys laurifolia (Kunth) Cass. (original description)
Gynoxys pulchella (Kunth) Cass. (original description)
Lomatolepis Cass. accepted as Launaea Cass. (original description)
Lomatolepis glomerata Cass. accepted as Launaea capitata (Spreng.) Dandy (original description)
Lomatolepis nudicaulis (L.) Cass. accepted as Launaea nudicaulis (L.) Hook.f. (original description)
Mycelis ambigua Cass. accepted as Lactuca deltoidea (M.Bieb.) DC. ex C.A.Mey. (original description)
Omalocline Cass. accepted as Crepis L. (original description)
Omalocline prunellifolia Cass. (original description)
Pentacalia Cass. (original description)
Pentacalia arborea Cass. (original description)
Pericalia Cass. accepted as Roldana La Llave (original description)
Pericalia cordifolia Cass. (original description)
Phaenixopus acanthifolius (Willd.) Cass. accepted as Lactuca acanthifolia (Willd.) Boiss. (original description)
Phaenixopus spinosus (Forssk.) Cass. accepted as Launaea spinosa (Forssk.) Kuntze (original description)
Piptopogon Cass. accepted as Hypochaeris L. (original description)
Piptopogon decipiens Cass. (original description)
Rhabdotheca Cass. accepted as Launaea Cass. (original description)
Rhabdotheca sonchoides Cass. accepted as Launaea mucronata subsp. cassiniana (Jaub. & Spach) N.Kilian (original description)
Scepinia dichotoma Cass. (original description)
Scepinia lepidophylla Cass. (original description)
Sclerobasis rigida Cass. (original description)
Scrobicaria Cass. (original description)
Scrobicaria ilicifolia Cass. (original description)
Seridia glomerata Cass. (original description)
Seridia megacephala Cass. (original description)
Seridia microcephala Cass. (original description)
Synarthrum Cass. accepted as Senecio L. (original description)
Synarthrum appendiculatum (Lam.) Cass. (original description)
Willemetia apargioides Cass. (original description)
Willemetia stipitata Cass. (original description)