| Isolona brunelii De Wild. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isolona campanulata Engl. & Diels | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona capuronii Cavaco & Keraudren | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona cauliflora Verdc. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona congolana (De Wild. & T. Durand) Engl. & Diels | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isolona cooperi Hutch. & Dalziel ex G.P.Cooper & Record | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona deightonii Keay | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona dewevrei (De Wild. & T.Durand) Engl. & Diels | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona ghesquierei Cavaco & Keraudren | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona heinsenii Engl. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona heinsenii Engl. & Diels | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona hexaloba (Pierre) Engl. & Diels | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona humbertiana Ghesq. ex Cavaco & Keraudr. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona le-testui Pellegr. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona lebrunii Boutique | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona leonensis Sprague & Hutch. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isolona leucantha Diels | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isolona linearis Couvreur | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona madagascariensis (Baill.) Engl. | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isolona maitlandii Keay | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona perrierii Diels | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona pilosa Diels | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona pleurocarpa Diels | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isolona pleurocarpa subsp. nigerica Keay | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isolona sereti De Wild. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isolona solheidii De Wild. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isolona soubreana A.Chev. ex Hutch. | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona soubreana A. Chev. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isolona theobromina Exell | 
		Synonym | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona thonneri (De Wild & Th. Dur.) Engl. & Diels | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isolona zenkeri (Engl.) Dyer | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isolona zenkeri Engl. | 
		Unresolved | 
		  | 
		TRO |