Espostoa mirabilis F.Ritter in Taxon 13(4): 143. 1964 sec. Hunt 2006
- =Espostoa mirabilis var. primigena F.Ritter in Taxon 13(4): 143. 1964 syn. sec. Hunt 2006
- =Espostoa baumannii Knize in Biota 7: 263. 1969 syn. sec. POWO 2017+
- =Espostoa baumannii var. arborescens Knize in Biota 7: 263. 1969 syn. sec. POWO 2017+