Juncus effusus f. conglomeratus (L.) Reichg. = Juncus conglomeratus L.
English:
effusus,-a,-um;

https://archive.org/stream/#page/180/mode/2up
homotypic synonyms:
Juncus effusus var. conglomeratus (L.) Bosch; Juncus effusus var. conglomeratus (L.) Engelm.; Juncus effusus subsp. conglomeratus (L.) Husn.; Juncus effusus f. conglomeratus (L.) Reichgelt; Juncus effusus L.;

protologue: Fl. Neerl. 6(1): 180 (1964)

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