| Juncus balticus Willd. | Accepted |  | IOPI | 
	
		| Juncus balticus var. alaskanus (Hultén) A.E. Porsild | Synonym |  | TRO | 
	
		| Juncus balticus subsp. andicola (Hook.) Snogerup | Accepted |  | IOPI | 
	
		| Juncus balticus subsp. ater (Rydb.) Snogerup | Accepted |  | IOPI | 
	
		| Juncus balticus subsp. balticus | Accepted |  | IOPI | 
	
		| Juncus balticus subsp. cantabricus (T.E.Díaz, Fern.-Carv. & Fern.Prieto) Snogerup | Accepted |  | IOPI | 
	
		| Juncus balticus var. columnaris Buchenau | Synonym |  | IOPI | 
	
		| Juncus balticus var. condensatus Suksd. | Synonym |  | IOPI | 
	
		| Juncus balticus f. contractus Neuman | Synonym |  | IOPI | 
	
		| Juncus balticus var. crassiculmis Buchenau | Synonym |  | IOPI | 
	
		| Juncus balticus f. dissitiflorus Engelm. ex Fernald & Wiegand | Synonym |  | IOPI | 
	
		| Juncus balticus var. durangensis Buchenau | Synonym |  | IOPI | 
	
		| Juncus balticus var. eremicus Jeps. | Synonym |  | IOPI | 
	
		| Juncus balticus var. europaeus Engelm. [Invalid] | Synonym |  | IOPI | 
	
		| Juncus balticus f. flavidior Lepage | Synonym |  | IOPI | 
	
		| Juncus balticus var. haenkei (E.Mey.) Buchenau | Synonym |  | IOPI | 
	
		| Juncus balticus var. inundatus (Drejer) Fr. | Synonym |  | IOPI | 
	
		| Juncus balticus subsp. inundatus (Drejer) Nyman | Synonym |  | IOPI | 
	
		| Juncus balticus subsp. inundatus Á. Löve & D. Löve | Synonym |  | TRO | 
	
		| Juncus balticus var. japonicus Buchenau | Synonym |  | IOPI | 
	
		| Juncus balticus f. laxior Neuman | Synonym |  | IOPI | 
	
		| Juncus balticus var. laxus Hook. | Synonym |  | IOPI | 
	
		| Juncus balticus subsp. littoralis (Engelm.) Snogerup | Accepted |  | IOPI | 
	
		| Juncus balticus var. littoralis Engelm. | Synonym |  | IOPI | 
	
		| Juncus balticus f. littoralis | Synonym |  | TRO | 
	
		| Juncus balticus var. melanogenus Fernald & Wiegand | Synonym |  | IOPI | 
	
		| Juncus balticus subsp. mexicanus (Willd. ex Schult. & Schult.f.) Snogerup | Accepted |  | IOPI | 
	
		| Juncus balticus var. mexicanus (Willd. ex Schult. & Schult.f.) Kuntze | Synonym |  | IOPI | 
	
		| Juncus balticus f. mexicanus (Willd. ex Schult. & Schult. f.) Parish | Synonym |  | TRO | 
	
		| Juncus balticus var. montanus Engelm. | Synonym |  | IOPI | 
	
		| Juncus balticus f. opulentus Lepage | Synonym |  | IOPI | 
	
		| Juncus balticus subsp. pacificus Engelm. | Synonym |  | IOPI | 
	
		| Juncus balticus var. pictus (F.Phil.) Grisebach | Synonym |  | IOPI | 
	
		| Juncus balticus f. pusillus (Fr.) Neuman | Synonym |  | IOPI | 
	
		| Juncus balticus subsp. pyrenaeus (Timb.-Lagr. & Jeanb.) P.Fourn. | Accepted |  | IOPI | 
	
		| Juncus balticus subsp. sitchensis (Engelm.) Hultén | Synonym |  | IOPI | 
	
		| Juncus balticus var. stenocarpus Fernald & Buchenau | Synonym |  | IOPI | 
	
		| Juncus balticus var. tenuis H.Linb. | Synonym |  | IOPI | 
	
		| Juncus balticus var. vallicola Rydb. | Synonym |  | IOPI | 
	
		| Juncus balticus subsp. vallicola (Rydb.) Lint | Synonym |  | TRO |