Synonyms: Colobium hispidum (homotypic); Leontodon longirostris (heterotypic); Leontodon nudicalyx (heterotypic); Leontodon psilocalix (heterotypic); Leontodon rothii (homotypic); Leontodon rothii var. rothii; Leontodon saxatilis hispidus (homotypic); Leontodon saxatilis longirostris (homotypic); Leontodon saxatilis rothii; Leontodon taraxacoides (homotypic); Leontodon taraxacoides hispidus (homotypic); Leontodon taraxacoides longirostris (homotypic); Thrincia hispida var. major (heterotypic); Thrincia hispida var. minor (heterotypic); Thrincia nudicalyx (heterotypic); Thrincia nudicaulis hispida (homotypic); Thrincia psilocalyx (heterotypic); Thrincia saxatilis hispida (homotypic)