Synonyms
Isolepis setacea var. abyssinica Boeckeler
Scirpus costatus (Hochst. ex A.Rich.) Boeckeler
Scirpus multicostatus Baker
Scirpus costatus var. macer (Boeckeler) Cherm.
Ficinia costata (Hochst. ex A.Rich.) H.Pfeiff.
Scirpus macer Boeckeler
Isolepis costata var. macra (Boeckeler) B.L.Burtt