| Arten: |
| Sonchus acaulis Dum.Cours. |
| Sonchus afromontanus R.E.Fr. |
| Sonchus angustissimus Hook.f. |
| Sonchus araraticus Nazarova & Barsegyan |
| Sonchus arboreus DC. |
| Sonchus arenicola Vorosch. |
| Sonchus arvensis L. |
| Sonchus arvensis subsp. arvensis L. |
| Sonchus arvensis subsp. humilis (N.I.Orlova) Tzvelev |
| Sonchus arvensis subsp. uliginosus (M.Bieb.) Nyman |
| Sonchus asper (L.) Hill |
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| Sonchus asper subsp. asper (L.) Hill |
| Sonchus asper subsp. glaucescens (Jord.) Ball ex Ball |
| Sonchus bipontini Asch. |
| Sonchus bipontini var. bipontini |
| Sonchus bornmuelleri Pit. |
| Sonchus bourgeaui Sch.Bip. |
| Sonchus brachylobus Webb & Berthel. |
| Sonchus brachyotus DC. |
| Sonchus briquetianus Gand. |
| Sonchus bulbosus (L.) N.Kilian & Greuter |
| Sonchus bulbosus subsp. microcephalus (Rech.f.) N.Kilian & Greuter |
| Sonchus bulbosus subsp. willkommii (Burnat & Barbey) N.Kilian & Greuter |
| Sonchus bupleuroides (Font Quer) N.Kilian & Greuter |
| Sonchus camporum (R.E.Fr.) Boulos ex C.Jeffrey |
| Sonchus canariensis (Sch.Bip.) Boulos |
| Sonchus canariensis subsp. orotavensis Boulos |
| Sonchus capillaris Svent. |
| Sonchus congestus Willd. |
| Sonchus daltonii Webb |
| Sonchus denticulato-lanceolata Kitam. |
| Sonchus denticulato-platyphylla (Makino) Kitam. |
| Sonchus dregeanus DC. |
| Sonchus esperanzae N.Kilian & Greuter |
| Sonchus fauces-orci Knoche |
| Sonchus filifolius N.Kilian & Greuter |
| Sonchus fragilis Ball |
| Sonchus friesii Boulos |
| Sonchus fruticosus L.f. |
| Sonchus gandogeri Pit. |
| Sonchus gigas Boulos ex Humbert |
| Sonchus gomerensis Boulos |
| Sonchus gummifer Link |
| Sonchus hierrensis (Pit.) Boulos |
| Sonchus hydrophilus Boulos |
| Sonchus integrifolius Harv. |
| Sonchus integrifolius var. integrifolius Harv. |
| Sonchus jacottetianus Thell. |
| Sonchus kirkii Hamlin |
| Sonchus leptocephalus Cass. |
| Sonchus lidii Boulos |
| Sonchus lingianus C.Shih |
| Sonchus luxurians (R.E.Fr.) C.Jeffrey |
| Sonchus macrocarpus Boulos & C.Jeffrey |
| Sonchus malaianus Miq. |
| Sonchus maritimus L. |
| Sonchus masguindalii Pau & Font Quer |
| Sonchus mauritanicus Boiss. & Reut. |
| Sonchus melanolepis Fresen. |
| Sonchus microcarpus (Boulos) U.Reifenb. & A.Reifenb. |
| Sonchus obtusilobus R.E.Fr. |
| Sonchus oleraceus (L.) L. |
| Sonchus oleraceus f. hydrophilus (Boulos) J.Kost. |
| Sonchus palmensis (Sch.Bip.) Boulos |
| Sonchus palustris L. |
| Sonchus pendulus (Sch.Bip.) Sennikov |
| Sonchus pendulus subsp. flaccidus (Svent.) N.Kilian & Greuter |
| Sonchus pinnatifidus Cav. |
| Sonchus pinnatus Aiton |
| Sonchus pitardii Boulos |
| Sonchus platylepis Webb & Berthel. |
| Sonchus pustulatus Willk. |
| Sonchus radicatus Aiton |
| Sonchus regis-jubae Pit. |
| Sonchus schweinfurthii Oliv. & Hiern |
| Sonchus sosnowskyi Schchian |
| Sonchus spachii Schweinf. |
| Sonchus spicatus Lam. |
| Sonchus stenophyllus R.E.Fr. |
| Sonchus suberosus Zohary & P.H.Davis |
| Sonchus tectifolius Svent. |
| Sonchus tenerrimus L. |
| Sonchus tenerrimus subsp. tenerrimus L. |
| Sonchus transcaspicus Nevski |
| Sonchus tuberifer Svent. |
| Sonchus uliginosus M.Bieb. |
| Sonchus ustulatus Lowe |
| Sonchus webbii Sch.Bip. |
| Sonchus wightianus DC. |
| Sonchus wildpretii U.Reifenb. & A.Reifenb. |
| Sonchus wilmsii R.E.Fr. |