Hallianthus planus (L.Bolus) H.E.K.Hartmann in Bot. Jahrb. Syst. 104: 167. 1983 Hallianthus planus (L.Bolus) H.E.K.Hartmann in Bot. Jahrb. Syst. 104: 167. 1983Taxon for this nameHallianthus planus (L.Bolus) H.E.K.Hartmann in Bot. Jahrb. Syst. 104: 167. 1983