Synonyms
Eleocharis elliptica var. atrata (Svenson) S.G.Sm.
Eleocharis tenuis var. atrata (Svenson) B.Boivin
Eleocharis capitata var. borealis Svenson
Eleocharis compressa var. atrata Svenson
Eleocharis elliptica f. atrata (Svenson) Drapalik & Mohlenbr.
Eleocharis compressa var. borealis (Svenson) Drapalik & Mohlenbr.
Eleocharis tenuis var. borealis (Svenson) Gleason