Juncus balticus var. melanogenus Fernald & Wiegand
Juncus balticus var. melanogenus Fernald & Wiegand is a synonym sensu Kirschner et al., 2002 of:
Juncus balticus subsp. littoralis (Engelmann) Snogerup, an accepted subspecies name sensu Kirschner et al., 2002.