Synonyms: Apargia aspera (heterotypic); Apargia caucasica (heterotypic); Apargia hispanica; Leontodon asper (heterotypic); Leontodon asper biscutellifolius (homotypic); Leontodon asper haussknechtii; Leontodon asper intermedius (heterotypic); Leontodon asper setulosus; Leontodon asper var. aurantiacus (heterotypic); Leontodon asper var. biscutellifolius (homotypic); Leontodon asper var. subciliatus (heterotypic); Leontodon asperum; Leontodon asperus; Leontodon biscutellifolius cinerascens (heterotypic); Leontodon crispus asper (heterotypic); Leontodon crispus var. ramosus (heterotypic); Leontodon haussknechtii (heterotypic); Leontodon haussnechtii (homotypic)