| Streptanthus albidus Greene | Synonym |  | TRO | 
	
		| Streptanthus albidus subsp. albidus | Synonym |  | TRO | 
	
		| Streptanthus albidus subsp. peramoenus (Greene) Kruckeb. | Synonym |  | TRO | 
	
		| Streptanthus amplexicaulis (S. Watson) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus amplexicaulis var. barbarae J.T. Howell | Synonym |  | TRO | 
	
		| Streptanthus anceps (Payson) Hoover | Synonym |  | TRO | 
	
		| Streptanthus angustifolius Nutt. | Synonym |  | TRO | 
	
		| Streptanthus arcuatus Nutt. | Synonym |  | TRO | 
	
		| Streptanthus argutus Greene | Synonym |  | TRO | 
	
		| Streptanthus arizonicus S. Watson | Synonym |  | TRO | 
	
		| Streptanthus asper Greene | Synonym |  | TRO | 
	
		| Streptanthus barbatus S. Watson | Accepted |  | TRO | 
	
		| Streptanthus barbiger Greene | Accepted |  | TRO | 
	
		| Streptanthus batrachopus J.L.Morrison | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus bernardinus (Greene) Parish | Accepted |  | TRO | 
	
		| Streptanthus biolettii Greene | Synonym |  | TRO | 
	
		| Streptanthus boliviensis Muschl. | Synonym |  | TRO | 
	
		| Streptanthus bracteatus A. Gray | Synonym |  | TRO | 
	
		| Streptanthus brazoensis Buckley | Synonym |  | TRO | 
	
		| Streptanthus breweri A. Gray | Accepted |  | TRO | 
	
		| Streptanthus californicus (S. Watson) Greene | Synonym |  | TRO | 
	
		| Streptanthus callistus J.L.Morrison | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus campestris S.Watson | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus campestris var. jacobaeus (Greene) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus carinatus C. Wright ex A. Gray | Accepted |  | TRO | 
	
		| Streptanthus carinatus subsp. arizonicus (S. Watson) Kruckeb., Rodman & Worth. | Accepted |  | TRO | 
	
		| Streptanthus carinatus subsp. carinatus | Accepted |  | TRO | 
	
		| Streptanthus coloradensis A. Nelson | Synonym |  | TRO | 
	
		| Streptanthus coombsae Eastw. | Synonym |  | TRO | 
	
		| Streptanthus cordatus Nutt. | Accepted |  | TRO | 
	
		| Streptanthus cordatus var. cordatus | Unresolved |  | TRO | 
	
		| Streptanthus cordatus var. exiguus Jeps. | Synonym |  | TRO | 
	
		| Streptanthus cordatus subsp. piutensis D.W. Taylor | Accepted |  | TRO | 
	
		| Streptanthus cordatus var. piutensis J.T. Howell | Synonym |  | TRO | 
	
		| Streptanthus coulteri A. Gray | Synonym |  | TRO | 
	
		| Streptanthus coulteri (S. Watson) Greene | Synonym |  | TRO | 
	
		| Streptanthus coulteri var. lemmonii (S. Watson) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus crassicaulis Torr. | Synonym |  | TRO | 
	
		| Streptanthus crassifolius Greene | Synonym |  | TRO | 
	
		| Streptanthus diversifolius S. Watson | Accepted |  | TRO | 
	
		| Streptanthus drepanoides Kruckeb. & J.L.Morrison | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus dudleyi Eastw. | Synonym |  | TRO | 
	
		| Streptanthus englerianus Muschl. | Synonym |  | TRO | 
	
		| Streptanthus farnsworthianus J.T.Howell | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus fenestratus (Greene) J.T. Howell | Accepted |  | TRO | 
	
		| Streptanthus flavescens Hook. | Synonym |  | TRO | 
	
		| Streptanthus foliosus Greene | Synonym |  | TRO | 
	
		| Streptanthus glabrifolius Buckley | Synonym |  | TRO | 
	
		| Streptanthus glandulosus Hook. | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus glandulosus subsp. albidus (Greene) Al-Shehbaz, M.S. Mayer & D.W. Taylor | Unresolved |  | TRO | 
	
		| Streptanthus glandulosus var. albidus (Greene) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus glandulosus subsp. glandulosus | Unresolved |  | TRO | 
	
		| Streptanthus glandulosus subsp. hoffmanii (Kruckeb.) M.S. Mayer & D.W. Taylor | Unresolved |  | TRO | 
	
		| Streptanthus glandulosus var. hoffmanii Kruckeb. | Synonym |  | TRO | 
	
		| Streptanthus glandulosus subsp. niger (Greene) Al-Shehbaz, M.S. Mayer & D.W. Taylor | Unresolved |  | TRO | 
	
		| Streptanthus glandulosus var. niger (Greene) Munz | Synonym |  | TRO | 
	
		| Streptanthus glandulosus var. pulchellus (Greene) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus glandulosus subsp. pulchellus (Greene) Kruckeb. | Unresolved |  | TRO | 
	
		| Streptanthus glandulosus var. secundus (Greene) Munz | Unresolved |  | TRO | 
	
		| Streptanthus glandulosus subsp. sonomensis M.S. Mayer & D.W. Taylor | Unresolved |  | TRO | 
	
		| Streptanthus glandulosus var. sonomensis Kruckeb. | Synonym |  | TRO | 
	
		| Streptanthus glaucus (S. Watson) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus gracilis Eastw. | Accepted |  | TRO | 
	
		| Streptanthus hallii (Payson) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus hastatus (S. Watson) M. Peck | Synonym |  | TRO | 
	
		| Streptanthus hesperidis Jeps. | Accepted |  | TRO | 
	
		| Streptanthus heterophyllus Nutt. | Synonym |  | TRO | 
	
		| Streptanthus hispidus A. Gray | Accepted |  | TRO | 
	
		| Streptanthus howellii S. Watson | Accepted |  | TRO | 
	
		| Streptanthus howellii (S. Watson) M.E. Jones | Synonym |  | TRO | 
	
		| Streptanthus hyacinthoides Hook. | Accepted |  | TRO | 
	
		| Streptanthus inflatus (S. Watson) Greene | Synonym |  | TRO | 
	
		| Streptanthus insignis Jeps. | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus lasiophyllus (Hook. & Arn.) Hoover | Synonym |  | TRO | 
	
		| Streptanthus lasiophyllus var. inalienus (B.L. Rob.) Hoover | Unresolved |  | TRO | 
	
		| Streptanthus lasiophyllus var. utahensis (Rydb.) Hoover | Synonym |  | TRO | 
	
		| Streptanthus lemmonii (S. Watson) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus lilacinus Hoover | Synonym |  | TRO | 
	
		| Streptanthus linearifolius A. Gray | Synonym |  | TRO | 
	
		| Streptanthus linearis Greene | Synonym |  | TRO | 
	
		| Streptanthus longifolius Benth. | Synonym |  | TRO | 
	
		| Streptanthus longirostris (S. Watson) S. Watson | Synonym |  | TRO | 
	
		| Streptanthus longisiliquus G.Clifton & R.E.Buck | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus maculatus Nutt. | Accepted |  | TRO | 
	
		| Streptanthus maculatus subsp. obtusifolius (Hook.) Rollins | Accepted |  | TRO | 
	
		| Streptanthus major (M.E. Jones) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus micranthus A. Gray | Synonym |  | TRO | 
	
		| Streptanthus mildredae Greene | Synonym |  | TRO | 
	
		| Streptanthus mildrediae Greene | Synonym |  | TRO | 
	
		| Streptanthus morrisonii F.W.Hoffm. | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus niger Greene | Synonym |  | TRO | 
	
		| Streptanthus oblanceolatus T.W. Nelson & J.P. Nelson | Unresolved |  | TRO | 
	
		| Streptanthus obtusifolius Hook. | Synonym |  | TRO | 
	
		| Streptanthus oliganthus Rollins | Accepted |  | TRO | 
	
		| Streptanthus orbiculatus Greene | Synonym |  | TRO | 
	
		| Streptanthus parryi Greene | Synonym |  | TRO | 
	
		| Streptanthus pedicellatus (A. Nelson) A. Nelson | Synonym |  | TRO | 
	
		| Streptanthus peramoenus Greene | Synonym |  | TRO | 
	
		| Streptanthus petiolaris A. Gray | Accepted |  | TRO | 
	
		| Streptanthus pilosus (S. Watson) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus platycarpus A. Gray | Accepted |  | TRO | 
	
		| Streptanthus polygaloides A. Gray | Accepted |  | TRO | 
	
		| Streptanthus procerus Brewer ex A. Gray | Synonym |  | TRO | 
	
		| Streptanthus pulchellus Greene | Synonym |  | TRO | 
	
		| Streptanthus racemosus Klotzsch ex O.E.Schulz | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus repandus Nutt. | Synonym |  | TRO | 
	
		| Streptanthus rigidus (Greene) Hoover | Synonym |  | TRO | 
	
		| Streptanthus sagittatus Nutt. | Synonym |  | TRO | 
	
		| Streptanthus sanhedrensis Eastw. | Synonym |  | TRO | 
	
		| Streptanthus secundus Greene | Synonym |  | TRO | 
	
		| Streptanthus simulans (Payson) Jeps. | Synonym |  | TRO | 
	
		| Streptanthus sparsiflorus Rollins | Synonym |  | TRO | 
	
		| Streptanthus squamiformis Goodman | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus stenophyllus Rollins | Synonym |  | TRO | 
	
		| Streptanthus suffrutescens Greene | Synonym |  | TRO | 
	
		| Streptanthus tehuelches (Speg.) Gilg & Muschl. | Synonym |  | TRO | 
	
		| Streptanthus tortuosus Kellogg | Accepted |  | TRO | 
	
		| Streptanthus tortuosus var. flavescens Jeps. | Synonym |  | TRO | 
	
		| Streptanthus tortuosus var. orbiculatus (Greene) H.M. Hall | Synonym |  | TRO | 
	
		| Streptanthus tortuosus var. pallidus Jeps. | Synonym |  | TRO | 
	
		| Streptanthus tortuosus var. suffrutescens (Greene) Jeps. | Accepted |  | TRO | 
	
		| Streptanthus tortuosus var. tortuosus | Synonym |  | TRO | 
	
		| Streptanthus validus (Greene) Cory | Synonym |  | TRO | 
	
		| Streptanthus vernalis R.O'Donnell & R.W.Dolan | Unresolved |  | WCSP (in review) | 
	
		| Streptanthus versicolor Greene | Synonym |  | TRO | 
	
		| Streptanthus vimineus (Greene) Al-Shehbaz & D.W. Taylor | Accepted |  | TRO | 
	
		| Streptanthus virgatus Nutt. | Synonym |  | TRO | 
	
		| Streptanthus wyomingensis A. Nelson | Synonym |  | TRO |