Ihlenfeldtia excavata (L.Bolus) H.E.K.Hartmann in Bot. Jahrb. Syst. 114. 1992 Ihlenfeldtia excavata (L.Bolus) H.E.K.Hartmann in Bot. Jahrb. Syst. 114. 1992Taxon for this nameIhlenfeldtia excavata (L.Bolus) H.E.K.Hartmann in Bot. Jahrb. Syst. 114. 1992