| Isodon adenanthus (Diels) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon adenolomus (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon albopilosus (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon alborubrus (C.Y.Wu) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon amethystoides (Benth.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon angustifolius (Dunn) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon angustifolius var. angustifolius  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Isodon angustifolius var. glabrescens (C.Y.Wu & H.W.Li) H.W.Li | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon anisochilus (C.Y.Wu) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon × arakii Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon assamicus (Mukerjee) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon atroruber R.A.Clement | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon barbeyanus (H.Lév.) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon bifidocalyx (Dunn) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon brachythyrsus (C.Y.Wu & H.W.Li) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon brevicalcaratus (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon brevifolius (Hand.-Mazz.) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon bulleyanus (Diels) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon bulleyanus var. foliosus (C.Y.Wu) H.W.Li | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon calcicolus (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon calcicolus var. calcicolus  | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon calcicolus var. subcalvus (Hand.-Mazz.) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon calycinus (Benth.) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon capillipes (Benth.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon cavaleriei (H.Lév.) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon chionanthus (C.Y.Wu) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon coetsa (Buch.-Ham. ex D.Don) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon coetsa var. cavaleriei (H.Lév.) H.W.Li | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon coetsa var. coetsa  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Isodon coetsoides (C.Y.Wu) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon colaniae H.Hara ex Suddee & A.J.Paton | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon daitonensis (Hayata) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon dakglayensis (Phuong) Phoung | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon dawoensis (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon dhankutanus Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon discolor (Dunn) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon drogotschiensis (Hand.-Mazz.) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon effusus (Maxim.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon enanderianus (Hand.-Mazz.) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon eriocalyx (Dunn) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon excisinflexus (Nakai) Honda | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon excisoides (Y.Z.Sun ex C.H.Hu) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon excisus (Maxim.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon excisus var. hakusanensis Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon excisus var. racemosus (Hemsl.) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon flabelliformis (C.Y.Wu) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon flavidus (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon flexicaulis (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon forrestii (Diels) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon forrestii var. megathyrsus (Diels) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon gesneroides (J.Sinclair) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon gibbosus (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon glaucocalyx (Maxim.) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon glaucocalyx var. japonicus (Burm.f.) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon glutinosus (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon grandifolius (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon grandifolius var. atuntzeensis (C.Y.Wu) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon grandifolius var. grandifolius  | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon grosseserratus (Dunn) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon henryi (Hemsl.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon henryi var. dichromophyllus (Diels) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon hians (Benth.) H.W.Li | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon hirtellus (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon hispidus (Benth.) Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon × inamii Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon inflexus (Thunb.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon inflexus f. verticillatus (Makino) Okuyama | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon interruptus (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon irroratus (Forrest ex Diels) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon japonicus (Burm.f.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon japonicus var. glaucocalyx (Maxim.) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon japonicus var. japonicus  | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon javanicus (Blume) H.W.Li | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon kameba Okuyama ex Ohwi | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon kameba f. albescens Okuyama | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon kameba f. komaensis Okuyama | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon kangtingensis (C.Y.Wu & H.W.Li) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon koroensis Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon kunmingensis (C.Y.Wu & H.W.Li) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon × kurobana-akichoji Murata | 
		Unresolved | 
		  | 
		TRO | 
		 | 
	
	
		| Isodon × kurobana-saninhikiokoshi Murata [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon kurzii (Prain) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lanceus (Nakai) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lasiocarpus (Hayata) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon latiflorus (C.Y.Wu & H.W.Li) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon latifolius (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon leucophyllus (Dunn) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon liangshanicus (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lihsienensis (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon longitubus (Miq.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon longitubus var. intermedius Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lophanthoides (Buch.-Ham. ex D.Don) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lophanthoides var. brachyanthus (Hook.f.) B.G.Kulk., Lakshmin. & Das Das | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lophanthoides var. gerardianus (Benth.) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lophanthoides var. graciliflorus (Benth.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lophanthoides var. kerrii (Doan) A.L.Budantzev | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lophanthoides var. lophanthoides  | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lophanthoides var. micranthus (C.Y.Wu) H.W.Li | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon loxothyrsus (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon lungshengensis (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon macranthus (Hook.f.) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon macranthus var. prainianus (H.Lév.) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon macrocalyx (Dunn) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon macrophyllus (Migo) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon maddenii (Benth. ex Hook.f.) Murata | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon manabeanus (Honda) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon medilungensis (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon meeboldii (W.W.Sm.) Suddee | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon megathyrsus (Diels) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon megathyrsus (Diels) H.W. Li | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Isodon megathyrsus var. megathyrsus  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Isodon megathyrsus var. strigosissimus (C.Y.Wu & H.W.Li) H.W.Li | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon melissiformis (C.Y.Wu) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon melissoides (Benth.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon mucronatus (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon muliensis (W.W.Sm.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon myriocladus C.Chen | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon namikawanus Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon nervosus (Hemsl.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon nigrescens (Benth.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon nigropunctata Murata | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Isodon nigropunctatus Murata | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon nilgherricus (Benth.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon × ohwii Okuyama | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon oreophilus (Diels) A.J.Paton & Ryding | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon oreophilus var. elongatus (Hand.-Mazz.) A.J.Paton & Ryding | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon oresbius (W.W.Sm.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon pantadenius (Hand.-Mazz.) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon parvifolius (Batalin) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon pharicus (Prain) Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon phulchokiensis (Murata) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon phyllopodus (Diels) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon phyllostachys (Diels) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon plectranthoides Schrad. ex Benth. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon pleiophyllus (Diels) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon pleiophyllus var. dolichodens (C.Y.Wu & H.W.Li) H.W.Li | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon pleiophyllus var. pleiophyllus  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Isodon pluriflorus (C.Y.Wu & H.W.Li) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon polystachys (Y.Z.Sun ex C.H.Hu) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon provicarii (H.Lév.) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon pseudoirroratus (C.Y.Wu) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon pulchokiensis (Murata) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon racemosus (Hemsl.) Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon racemosus (Hemsl.) H.W. Li | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Isodon ramosissimus (Hook.f.) Codd | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon repens (Wall. ex Benth.) Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon ricinispermus (Pamp.) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon rivularis (Wight ex Hook.f.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon rosthornii (Diels) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon rubescens (Hemsl.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon rubescens var. eglandulosus C.Chen | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon rugosiformis (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon rugosus (Wall. ex Benth.) Codd | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon schimperi (Vatke) J.K.Morton | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon scoparius (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon scrophularioides (Wall. ex Benth.) Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon sculponiatus (Vaniot) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon secundiflorus (C.Y.Wu) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon serra (Maxim.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon setschwanensis (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon shikokianus (Makino) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon shikokianus f. albiflorus Murata | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon shikokianus var. intermedius (Kudô) Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon shikokianus var. occidentalis Murata | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon shikokianus var. shikokianus  | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon shimizuanus (Murata) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon silvaticus (C.Y.Wu & H.W.Li) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon smithianus (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon stenodontus (C.Y.Wu & H.W.Li) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon stracheyi (Benth. ex Hook.f.) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon stracheyi var. veronicifolius (Hance) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon striatus (Benth.) Kudô | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon × suzukii Okuyama | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon taiwanensis (Masam.) S.S.Ying | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon × takakuma-akichoji Murata | 
		Unresolved | 
		  | 
		TRO | 
		 | 
	
	
		| Isodon taliensis (C.Y.Wu) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon tenuifolius (W.W.Sm.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon ternifolius (D.Don) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon teysmannii (Miq.) H.W.Li | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon × togashii Okuyama | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon trichocarpus (Maxim.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon trichocarpus f. erythranthus Ikegami | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon trichocarpus f. leucanthus Okuyama | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus (Maxim.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus f. albiflorus Tuyama | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus f. albiflorus K.Asano [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus var. excisinflexus (Nakai) K.Asano | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus var. hakusanensis (Kudô) K.Asano | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus f. kameba (Okuyama ex Ohwi) K.Asano | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus var. komaensis (Okuyama) K.Asano | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus var. latifolius Okuyama | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus var. leucanthus (Murata) K.Asano | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon umbrosus f. lilacinus Asai | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon volkensianus (Muschl.) Murata | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon walkeri (Arn.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon wardii (C.Marquand & Airy Shaw) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon websteri (Hemsl.) Kudô | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon weisiensis (C.Y.Wu) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon wightii (Benth.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon wikstroemioides (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon xerophilus (C.Y.Wu & H.W.Li) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Isodon yuennanensis (Hand.-Mazz.) H.Hara | 
		Accepted | 
		  | 
		WCSP | 
		 |