| Isoglossa angusta (Nees) Baker | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa anisophylla Brummitt | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa asystasioides I.Darbysh. & Ensermu | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa bachmannii Lindau | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isoglossa barlerioides S.Moore | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa bolusii C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa bracteosa Mildbr. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa bruceae I. Darbysh. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Isoglossa candelabrum Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa cataractarum Brummitt & Feika | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa ciliata Lindau | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa clemensorum (Benoist) B.Hansen | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa collina (T. Anderson) B. Hansen | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa comorensis Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa congesta Hedrén | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa cooperi C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa cyclophylla Mildbr. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa delicatula C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa densa N.E.Br. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa dichotoma (Hassk.) B.Hansen | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa eckloniana Lindau | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa eliasbandae Brummitt | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa eranthemoides (F.Muell.) R.M.Barker | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa expansa Benoist | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa eylesii (S.Moore) Brummitt | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa fastidiosa (Benoist) B.Hansen | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa flava Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa floribunda C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa floribunda subsp. salviflora (Mildbr.) I. Darbysh. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Isoglossa geoffrayi (Benoist) B.Hansen | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa glabra (Hand.-Mazz.) B.Hansen | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa glandulifera Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa gracillima Baker | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa grandiflora S.Moore | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa grantii C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa gregorii (S.Moore) Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa humbertii Mildbr. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa hypoestiflora Lindau | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa imbricata Brummitt | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa inermis (Benoist) B.Hansen | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa insularis Benoist | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Isoglossa ixodes Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa justicioides Baker | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa lactea Lindau ex Engl. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa laxa Oliv. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa laxiflora Lindau | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa longiflora Benoist | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa macowanii C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa mbalensis Brummitt | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa melleri Baker | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa membranacea C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa milanjiensis S.Moore | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa mossambicencis Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa mossambicensis Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa nervosa C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa oerstediana Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa oreacanthoides Mildbr. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa origanoides (Nees) S. Moore | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Isoglossa origanoides (Nees) Lindau | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa ovata Lindau | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa parviflora Benoist | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa parvifolia Rendle | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa paucinervis I. Darbysh. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Isoglossa pawekiae Brummitt & Feika | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa prolixa Lindau | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa punctata (Vahl) Brummitt & J.R.I. Wood | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Isoglossa rubescens Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa rungioides S.Moore | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa runssorica Lindau | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa rutenbergiana Vatke | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Isoglossa rutenbergisma Vatke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa salviiflora (Mildbr.) Brummitt | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa schliebenii Mildbr. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa somalensis Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa stipitata C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa strigosula C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa subcordata (C.B.Clarke) B.Hansen | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa substrobilina C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa sylvatica C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa ufipensis Brummitt | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa variegata I. Darbysh. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Isoglossa ventricosa I. Darbysh. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Isoglossa vestita Benoist | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa violacea Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa volkensii Lindau | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa vulcanicola Mildbr. | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Isoglossa woodii C.B.Clarke | 
		Unresolved | 
		  | 
		WCSP (in review) |