| Petalidium angustitubum P.G.Mey. | Unresolved |  | WCSP (in review) | 
	
		| Petalidium aromaticum Oberm. | Unresolved |  | WCSP (in review) | 
	
		| Petalidium barlerioides (Roth) Nees | Accepted |  | TRO | 
	
		| Petalidium bracteatum Oberm. | Unresolved |  | WCSP (in review) | 
	
		| Petalidium canescens C.B.Clarke | Unresolved |  | WCSP (in review) | 
	
		| Petalidium cirrhiferum S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium coccineum S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium crispum A.Meeuse ex P.G.Mey. | Unresolved |  | WCSP (in review) | 
	
		| Petalidium currorii S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium cymbiforme Schinz | Unresolved |  | WCSP (in review) | 
	
		| Petalidium damarense S. Moore | Synonym |  | TRO | 
	
		| Petalidium eenii S. Moore | Unresolved |  | TRO | 
	
		| Petalidium elatum Benoist | Unresolved |  | WCSP (in review) | 
	
		| Petalidium englerianum C.B.Clarke | Unresolved |  | WCSP (in review) | 
	
		| Petalidium eurychlamys Mildbr. | Synonym |  | TRO | 
	
		| Petalidium giessii P.G. Mey. | Synonym |  | TRO | 
	
		| Petalidium glandulosum S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium glutinosum C.B. Clarke | Synonym |  | TRO | 
	
		| Petalidium gossweileri S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium halimoides (Nees) S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium hamatum Lindau | Unresolved |  | WCSP (in review) | 
	
		| Petalidium hirsutum (T.Anderson) P.G.Mey. | Unresolved |  | WCSP (in review) | 
	
		| Petalidium huillense C.B.Clarke | Accepted |  | WCSP (in review) | 
	
		| Petalidium incanum Mildbr. | Synonym |  | TRO | 
	
		| Petalidium lanatum C.B.Clarke | Unresolved |  | WCSP (in review) | 
	
		| Petalidium latifolium C.B. Clarke | Unresolved |  | TRO | 
	
		| Petalidium lepidagathis S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium linifolium T. Anders. | Accepted |  | TRO | 
	
		| Petalidium loranthifolium S.Moore | Unresolved |  | WCSP (in review) | 
	
		| Petalidium lucens Oberm. | Unresolved |  | WCSP (in review) | 
	
		| Petalidium luteoalbum A.Meeuse | Unresolved |  | WCSP (in review) | 
	
		| Petalidium microtrichum Benoist | Unresolved |  | WCSP (in review) | 
	
		| Petalidium oblongifolium C.B.Clarke | Unresolved |  | WCSP (in review) | 
	
		| Petalidium ohopohense P.G.Mey. | Unresolved |  | WCSP (in review) | 
	
		| Petalidium otaviense Dinter | Unresolved |  | WCSP (in review) | 
	
		| Petalidium ovatum C.B. Clarke | Unresolved |  | TRO | 
	
		| Petalidium parvifolium C.B. Clarke ex Schinz | Unresolved |  | TRO | 
	
		| Petalidium parvifolium var. angustifolia Schinz | Synonym |  | TRO | 
	
		| Petalidium patulum (Jacq.) Dalzell & A.Gibson | Synonym |  | WCSP (in review) | 
	
		| Petalidium physaloides S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium pilosibracteolatum Merxm. & Hainz | Unresolved |  | WCSP (in review) | 
	
		| Petalidium ramulosum Schinz | Unresolved |  | WCSP (in review) | 
	
		| Petalidium rautanenii Schinz | Accepted |  | TRO | 
	
		| Petalidium rossmannianum P.G.Mey. | Unresolved |  | WCSP (in review) | 
	
		| Petalidium rubescens Oberm. | Synonym |  | TRO | 
	
		| Petalidium rupestre S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium setosum C.B. Clarke ex Schinz | Synonym |  | TRO | 
	
		| Petalidium spiniferum C.B.Clarke | Accepted |  | WCSP (in review) | 
	
		| Petalidium subcrispum P.G.Mey. | Unresolved |  | WCSP (in review) | 
	
		| Petalidium tomentosum S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium variabile C.B.Clarke | Unresolved |  | WCSP (in review) | 
	
		| Petalidium variabile var. variabile C.B. Clarke | Unresolved |  | TRO | 
	
		| Petalidium welwitschii S.Moore | Accepted |  | WCSP (in review) | 
	
		| Petalidium wilmaniae Oberm. | Synonym |  | TRO |