| Cochlearia officinalis L. | Accepted |  | WCSP (in review) | 
	
		| Cochlearia officinalis Lapeyr. [Illegitimate] | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis var. aestuaria Lloyd | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis subsp. aestuaria (Lloyd) Nordal & Laane | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis var. alpina Bab. | Synonym |  | TRO | 
	
		| Cochlearia officinalis var. anglica (L.) Kurtz | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis subsp. anglica Asch. & Graebn. | Synonym |  | TRO | 
	
		| Cochlearia officinalis var. arctica (Schltdl. ex DC.) Gelert | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis subsp. arctica (Schltdl. ex DC.) Hultén | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis var. groenlandica (L.) Gelert | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis subsp. groenlandica (L.) A.E.Porsild | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis subsp. integrifolia (Hartm.) Nordal & Stabbetorp | Accepted |  | WCSP (in review) | 
	
		| Cochlearia officinalis var. integrifolia (Hartm.) Hyl. | Synonym |  | TRO | 
	
		| Cochlearia officinalis var. macrorrhiza Schur | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis var. oblongifolia (DC.) Gelert | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis subsp. oblongifolia (DC.) Hultén | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis subsp. pyrenaica (DC.) Rouy & Foucaud | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis subsp. scotica (Druce) P.S.Wyse Jacks. | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis var. sessilifolia (Rollins) S.L.Welsh | Synonym |  | WCSP (in review) | 
	
		| Cochlearia officinalis var. sessilifolia (Rollins) Hultén | Synonym |  | TRO | 
	
		| Cochlearia officinalis subsp. tatrae (Borbás) Domin | Synonym |  | TRO | 
	
		| Cochlearia officinalis var. typica G.Andersson & Hesselman | Synonym |  | WCSP (in review) |