What is Cirsium arvense?
{{Italictitle}} {{Speciesbox |image=Cirsium arvense with Bees Richard Bartz.jpg |genus=Cirsium |species=arvense |authority=([[Carl Linnaeus|L.]]) [[Giovanni Antonio Scopoli|Scop.]] |synonyms_ref=<ref>[http://www.theplantlist.org/tpl1.1/record/gcc-106632 The Plant List ''Cirsium arvense'' (L.) Scop. ]</ref> |synonyms={{collapsible list|bullets=true |title=<small>Synonymy</small> |''Breea arvensis'' <small>(L.) Less.</small> |''Breea dioica'' <small>(Cass.) Less.</small> |''Breea ochrolepidia'' <small>(Juz.) Soják</small> |''Breea praealta'' <small>Less.</small> |''Breea setosa'' <small>(Willd.) Soják</small> |''Carduus arvensis'' <small>(L.) Robson</small> |''Carduus haemorrhoidalis'' <small>Auct. ex DC.</small> |''Carduus neglectus'' <small>Steud.</small> |''Carduus segetum'' <small>(Bunge) Franch.</small> |''Carduus serratuloides'' <small>Neck.</small> |''Carduus setosus'' <small>Bab.</small> |''Cephalonoplos arvense'' <small>(L.) Fourr.</small> |''Cephalonoplos arvensis'' <small>(L.) Fourr.</small> |''Cephalonoplos ochrolepidium'' <small>(Juz.) Juz. </small> |''Cephalonoplos segetum'' <small>(Bunge) Kitam.</small> |''Cephalonoplos setosus'' <small>(Ledeb.) Kitam.</small> |''Cirsium albicans'' <small>Willk.</small> |''Cirsium albiflorum'' <small>(Kitag.) Kitag.</small> |''Cirsium argenteum'' <small>Peyer ex Vest</small> |''Cirsium argunense'' <small>DC.</small> |''Cirsium celakovskianum'' <small>Knaf</small> |''Cirsium dioicum'' <small>Cass.</small> |''Cirsium halophilum'' <small>Turcz. ex Herder</small> |''Cirsium horridum'' <small>(Wimm. & Grab.) Stankov</small> |''Cirsium incanum'' <small>(S.G.Gmel.) Fisch. ex M.Bieb.</small> |''Cirsium laevigatum'' <small>Tausch</small> |''Cirsium macrostylon'' <small>(Moretti) Rchb.</small> |''Cirsium mutatum'' <small>Menyh.</small> |''Cirsium neglectum'' <small>Fisch. ex Spreng.</small> |''Cirsium ochrolepidium'' <small>Juz.</small> |''Cirsium praealtum'' <small>Cass.</small> |''Cirsium ruthenicum'' <small>Fisch.</small> |''Cirsium setosum'' <small>(Willd.) Besser ex M.Bi