Synonyms: Cacalia hirtiflora; Cacalia lithospermoides; Cacalia remotiflora (homotypic); Cacalia sessiliflora; Cacalia uniflora (homotypic); Vernonia hirtiflora; Vernonia leonensis (heterotypic); Vernonia lithospermoides; Vernonia patula (heterotypic); Vernonia remotiflora (homotypic); Vernonia remotiflora f. remotiflora; Vernonia remotiflora var. aristifera; Vernonia remotiflora var. divaricata; Vernonia remotiflora var. remotiflora; Vernonia remotiflora var. tricholepis; Vernonia sessiliflora; Vernonia sessilifolia; Vernonia sessilifolia var. sessilifolia; Vernonia tricholepis (heterotypic)