Senecio squalidus var. bipinnatifidus (C. Presl) P. D. Sell variety accepted

Senecio squalidus var. laciniatus (C. Presl) P. D. Sell variety accepted

Senecio squalidus var. pinnatifidus (Evers ex Hegi) P. D. Sell variety accepted

Senecio squalidus subsp. microglossus (Guss.) Arcang. subspecies accepted

Senecio squalidus subsp. squalidus subspecies accepted

Senecio squalidus subsp. aethnensis (Jan ex DC.) Greuter subspecies accepted

Senecio squalidus subsp. araneosus (Emb. & Maire) C. Alexander subspecies accepted

Senecio squalidus subsp. aurasiacus (Batt. & Trab.) C. Alexander subspecies accepted

Senecio squalidus subsp. calabricus (Fiori) Peruzzi & Bernardo subspecies accepted

Senecio squalidus subsp. chrysanthemifolius (Poir.) Greuter subspecies accepted

Senecio squalidus subsp. sardous (Fiori) Greuter subspecies accepted