Juncus effusus var. conglomeratus (Linnaeus) Engelmann nom. illeg.
Juncus effusus var. conglomeratus (Linnaeus) Engelmann nom. illeg. is a synonym sensu FNA Ed. Comm., 2000 of:
Juncus conglomeratus Linnaeus, an accepted species name sensu Kirschner et al., 2002.