| Nananthus acutus (L.Bolus) G.D.Rowley | Unresolved |  | WCSP (in review) | 
	
		| Nananthus albinotus L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus albipunctatus Schwantes | Unresolved |  | WCSP (in review) | 
	
		| Nananthus aloides N.E.Br. | Unresolved |  | WCSP (in review) | 
	
		| Nananthus aloides Schwantes | Unresolved |  | WCSP (in review) | 
	
		| Nananthus aloides var. aloides Schwantes | Unresolved |  | TRO | 
	
		| Nananthus broomii (L.Bolus) L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus cibdelus Schwantes | Unresolved |  | WCSP (in review) | 
	
		| Nananthus comptonii L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus cradockensis L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus crassipes (Marloth) L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus difformis L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus dyeri L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus gersmeri (L.Bolus) L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus gerstneri L. Bolus | Unresolved |  | TRO | 
	
		| Nananthus hilmarii (L.Bolus) G.D.Rowley | Unresolved |  | WCSP (in review) | 
	
		| Nananthus jamesii L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus lesliei (N.E.Br.) G.D.Rowley | Unresolved |  | WCSP (in review) | 
	
		| Nananthus lodewykii (L.Bolus) L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus loganii (L.Bolus) L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus luckhoffii (L.Bolus) L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus malherbei L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus margaritifera L. Bolus | Unresolved |  | TRO | 
	
		| Nananthus orpenii (N.E.Br.) L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus pallens (L.Bolus) L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus peersii L. Bolus | Synonym |  | TRO | 
	
		| Nananthus pole-evansii N.E.Br. | Unresolved |  | WCSP (in review) | 
	
		| Nananthus rosulatus (Kensit) G.D.Rowley | Unresolved |  | WCSP (in review) | 
	
		| Nananthus rubrolineatus Schwantes | Unresolved |  | WCSP (in review) | 
	
		| Nananthus schooneesii (L.Bolus) L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus setiferus (L.Bolus) G.D.Rowley | Unresolved |  | WCSP (in review) | 
	
		| Nananthus spathulatus (Thunb.) G.D.Rowley | Unresolved |  | WCSP (in review) | 
	
		| Nananthus tersa (N.E.Br.) G.D.Rowley | Unresolved |  | WCSP (in review) | 
	
		| Nananthus thudichumii (L.Bolus) G.D.Rowley | Unresolved |  | WCSP (in review) | 
	
		| Nananthus transvaalensis | Unresolved |  | TRO | 
	
		| Nananthus villetii L.Bolus | Unresolved |  | WCSP (in review) | 
	
		| Nananthus vittatus (N.E. Br.) Schwantes | Accepted |  | TRO | 
	
		| Nananthus wilmaniae (L.Bolus) L.Bolus | Unresolved |  | WCSP (in review) |