Juncus arcticus subsp. littoralis (Engelmann) Hultén
Juncus arcticus subsp. littoralis (Engelmann) Hultén is a synonym sensu Kirschner et al., 2002 of:
Juncus balticus subsp. littoralis (Engelmann) Snogerup, an accepted subspecies name sensu Kirschner et al., 2002.