Synonyma: Sonchus aemulus, Sonchus asper f. asper, Sonchus asper subsp. asper, Sonchus asper var. asper, Sonchus asper var. inermis, Sonchus asper var. pungens, Sonchus australis, Sonchus borderi, Sonchus carolinianus, Sonchus crocifolius, Sonchus cuspidatus, Sonchus decipiens, Sonchus eryngiifolius, Sonchus eryngioides, Sonchus fallax, Sonchus fallax…

Synonyma: Juncus trifidus, Juncus trifidus subsp. carolinianusČeleď: Juncaceae - sítinovité