Synonyms: Juncus bogotensis; Juncus bogotensis var. compactus; Juncus communis; Juncus communis effusus; Juncus communis var. effusus; Juncus communis var. parviflorus; Juncus communis var. pauciflorus; Juncus communis var. subglomeratus; Juncus conglomeratus effusus; Juncus conglomeratus laxus (heterotypic); Juncus conglomeratus var. effusus (heterotypic); Juncus effusus atratus; Juncus effusus compactus (homotypic); Juncus effusus elatus; Juncus effusus f. conglomeratus (heterotypic); Juncus effusus f. pauciflorus; Juncus effusus f. prolifer; Juncus effusus f. vittatus; Juncus effusus f. zebrinus; Juncus effusus fistulosus; Juncus effusus pauciflorus; Juncus effusus var. compactus (homotypic); Juncus effusus var. conglomeratus (heterotypic); Juncus effusus var. dasyanthelus; Juncus effusus var. effusus; Juncus effusus var. elatus; Juncus effusus var. fistulosus; Juncus effusus var. longibracteatus; Juncus effusus var. macranthelus; Juncus effusus var. pauciflorus (homotypic); Juncus effusus var. prolifer; Juncus effusus var. subglomeratus; Juncus fistulosus; Juncus laevis; Juncus laevis var. diffusus; Juncus laevis var. effusus; Juncus lucens; Juncus luxurians; Juncus mauritianus; Juncus zebrinus (homotypic); Scirpus capsularis