Orthophytum duartei L.B.Sm.  (
non Crypthantus duartei L.B.Sm.)
		
		Taxonomic Change:
		
			- Formerly  taxon number 34- 11 —See Smith & Downs 1979 p. 1704
- Recognized some morphological similarities to Orthophytum  fosterianum L.B.Sm. —See Louzada 2012 
- Not related to Orthophytum foliosum L.B. Sm. nor Orthophytum fosterianum L.B.Sm. It separate it widely from all other species of Orthophytum and gives it a unique position in the genus yet to be clarified. —See Leme 2014b p. 180
- Placed in subgen. Orthophytum subg. Capixabanthus —See Leme et al. 2017b p. 73
		Literature references: