Cyperus diaphanus SCHRADER ex R. & S. var. latespicatus (BOECK.) KERN subsp. setiformis (KORSH.) KERN, comb. nov.
- ≡Cyperus setiformis KORSH. in Act. Hort. Petrop. 12: 405. 1892
- ≡Pycreus setiformis B. SCHISK. in Fl. U.R.S.S. 3: 5. 1935
- ≡Cyperus latespicatus var. setiformis KOYAMA in Act. Phytotax. Geobot. 16: 11. 1955