Juncus effusus var. compactus (Hoppe ex Mertens & W.D.J. Koch) Lejeune & Courtois
Juncus effusus var. compactus (Hoppe ex Mertens & W.D.J. Koch) Lejeune & Courtois is a synonym sensu Kirschner et al., 2002 of:
Juncus effusus Linnaeus subsp. effusus, an accepted subspecies name sensu Kirschner et al., 2002.