| Epilobium tetragonum L. | 
		Accepted | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum Pollich [Illegitimate] | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum Lour. [Illegitimate] | 
		Unresolved | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum Guss. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum C.B.Clarke [Illegitimate] | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum Aitch. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum subsp. adnatum (Griseb.) Cabanès | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum var. amplectens Benth. ex C.B.Clarke | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum var. antarcticum Hook.f. | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum var. billardierianum (Ser.) H.Lév. | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum var. glandulosum (Lehm.) Torr. & A.Gray | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum var. japonicum Miq. | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum subsp. lamyi (F.W.Schultz) Nyman | 
		Accepted | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum var. minutiflorum (Hausskn.) Boiss. | 
		Synonym | 
		  | 
		WCSP (in review) | 
		 | 
	
	
		| Epilobium tetragonum subsp. tetragonum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Epilobium tetragonum subsp. tournefortii (Michalet) H.Lév. | 
		Accepted | 
		  | 
		WCSP (in review) | 
		 |