| Lessingianthus adenophyllus (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus ammophilus (Gardner) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus arachniolepis (Ekman ex Ekman & Dusén) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus argenteus (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus argyrophyllus (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus asteriflorus (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus bakerianus Dematt. | Unresolved |  | TICA | 
	
		| Lessingianthus bardanioides Less. | Unresolved |  | TICA | 
	
		| Lessingianthus bardanoides (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus barrosoanus Dematt. | Unresolved |  | TICA | 
	
		| Lessingianthus bishopii (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus breviflorus Less. | Unresolved |  | TICA | 
	
		| Lessingianthus brevifolius (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus brevipetiolatus (Sch.Bip. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus buddleiifolius (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus buddleiifolius Mart. ex DC. | Unresolved |  | TICA | 
	
		| Lessingianthus bupleurifolius (DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus caiapoensis (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus carduoides (Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus carvalhoi (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus cataractarum (Hieron.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus cataractum (Hieron.) H.Rob. | Synonym |  | TICA | 
	
		| Lessingianthus cephalotes (DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus cephalotes DC. | Unresolved |  | TICA | 
	
		| Lessingianthus chamaepeuces (Sch.Bip. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus compactiflorus (Mart. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus cordiger (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus coriaceus (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus cristalinae (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus desertorum (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus dorsiventralis (Chodat) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus durus (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus eitenii (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus elegans (Gardner) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus erythrophilus (DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus exiguus (Cabrera) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus farinosus (Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus floccosus (Gardner) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus fonsecae (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus glabratus (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus glaziovianus (Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus glomeratus Baker ex Warm. | Unresolved |  | TICA | 
	
		| Lessingianthus glomeratus (Baker ex Warm.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus gonzalezii S.Díaz & Obando | Accepted |  | TICA | 
	
		| Lessingianthus grandiflorus Less. | Unresolved |  | TICA | 
	
		| Lessingianthus grandiflorus (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus grearii (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus hatschbachii H.Rob. | Unresolved |  | TICA | 
	
		| Lessingianthus heringeri (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus hoveaefolius (Gardner) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus hypochaeris (DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus irwinii (G.M.Barroso) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus ixiamensis (Rusby) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus lacunosus (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus laevigatus (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus laevigatus Mart. ex DC. | Unresolved |  | TICA | 
	
		| Lessingianthus lanuginosus Dematt. | Unresolved |  | TICA | 
	
		| Lessingianthus laurifolius (DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus ligulifolius Mart. ex DC. | Unresolved |  | TICA | 
	
		| Lessingianthus ligulifolius (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus linearifolius (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus linearis (Spreng.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus lorentzii (Hieron.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus lorentzii Engl. | Unresolved |  | TICA | 
	
		| Lessingianthus macrocephalus (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus macrophyllus (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus magnificus "Deble, Dematt. & Marchiori" | Synonym |  | TICA | 
	
		| Lessingianthus mansoanus (Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus minimus Dematt. | Unresolved |  | TICA | 
	
		| Lessingianthus mollissimus (D.Don ex Hook. & Arn.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus monocephalus (Gardner) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus morii (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus morilloi (V.M.Badillo) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus myrsinites H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus niederleinii (Hieron.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus obscurus (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus obtusatus (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus obtusatus Less. | Unresolved |  | TICA | 
	
		| Lessingianthus octandrus (Sch.Bip. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus octanthus (Sch. Bip. ex Baker) H. Rob. | Accepted |  | TRO | 
	
		| Lessingianthus onoporoides Baker | Unresolved |  | TICA | 
	
		| Lessingianthus onoporoides (Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus parvifolius (Chodat) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus pentacontus DC. | Unresolved |  | TICA | 
	
		| Lessingianthus pentacontus (DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus plantaginodes (Kuntze) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus platyphyllus (Chodat) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus polyphyllus (Sch.Bip. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus polyphyllus Sch.Bip. ex Baker | Unresolved |  | TICA | 
	
		| Lessingianthus pseudopiptocarphus (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus psilophyllus (DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus pulverulentus (Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus pumilla Vell. | Unresolved |  | TICA | 
	
		| Lessingianthus pumillus (Vell.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus pycnostachyus (DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus ramellae (Cabrera) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus regis (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus reitzianus (Cabrera) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus robustus (Rusby) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus roseus (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus rosmarinifolius (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus rubricaulis (Bonpl.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus rugulosus (Sch.Bip. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus saltensis (Hieron.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus santosii (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus scabrifoliatus (Hieron.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus scaposus (G.M.Barroso) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus secundus (Sch.Bip. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus sellowii (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus simplex (Less.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus soderstroemii (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus souzae (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus stoechas (Mart. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus subcarduoides (H.Rob.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus subobtusus (Malme) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus subobtusus Malme | Unresolved |  | TICA | 
	
		| Lessingianthus syncephalus (Sch.Bip. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus tomentellus (Mart. ex DC.) H.Rob. | Synonym |  | TICA | 
	
		| Lessingianthus ulei (Hieron.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus varroniifolius DC. | Unresolved |  | TICA | 
	
		| Lessingianthus varroniifolius (DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus velascensis H.Rob. ex Killeen & Schulenberg [Illegitimate] | Unresolved |  | TICA | 
	
		| Lessingianthus venosissimus (Sch.Bip. ex Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus vepretorum (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus vestitus (Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus virgulatus (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus warmingianus (Baker) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus westermanii (Ekman & Dusén ex Malme) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus xanthophyllus (Mart. ex DC.) H.Rob. | Accepted |  | TICA | 
	
		| Lessingianthus zuccarinianus (Mart. ex DC.) H.Rob. | Accepted |  | TICA |