Juncus oxycarpus subsp. sparganioides Weim. Dataset The Plant List with literature Rank SUBSPECIES Published in Svensk Bot. Tidskr., 40: 166, 1946 Classification kingdom Plantae family Juncaceae genus Juncus species Juncus oxycarpus Name Homonyms Juncus oxycarpus subsp. sparganioides Weim.