| Cyperaceae | |
Pycreus polystachyos var. brevispiculatus
| F.C.How ex Y.F. Deng | Fl. Guangzhou 746 | 1956 |
| Cyperaceae | |
Pycreus polystachyos var. circinatus
| (Ridl.) H.B. Naithani & S. Biwas | Flow. Pl. India, Nepal & Bhutan 472 | 1990 |
| Cyperaceae | |
Pycreus polystachyos var. hahnianus
| (Boeckeler) C.B. Clarke | Symb. Antill. 2(1): 18 | 1900 |
| Cyperaceae | |
Pycreus polystachyos subsp. holosericeus
| (Link) T. Koyama | Occas. Pap. Bernice Pauahi Bishop Mus. 29: 125 | 1989 |
| Cyperaceae | |
Pycreus polystachyos var. laxiflorus
| (Benth.) C.B. Clarke | Fl. Brit. India 6: 592 | 1894 |
| Cyperaceae | |
Pycreus polystachyos var. microdontus
| (Torr.) Govaerts | World Checklist Cyperaceae 610 | 2007 |
| Cyperaceae | |
Pycreus polystachyos var. paniculatus
| (Rottb.) Donn. Sm. | Enum. Pl. Guatem. 3: 86 | 1893 |
| Cyperaceae | |
Pycreus polystachyos subsp. polystachyos
| | | |
| Cyperaceae | |
Pycreus polystachyos var. polystachyos
| | | |
| Cyperaceae | |
Pycreus polystachyos subsp. riograndensis
| D.A. Simpson | Kew Bull. 44(2): 281 | 1989 |
| Cyperaceae | |
Pycreus polystachyos var. sanguineus
| Kük. | Pflanzenr. IV. 20(Heft X): 371 | 1936 |
| Cyperaceae | ** |
Pycreus polystachyos var. typicus
| Domin | Biblioth. Bot. 85: 416 | 1915 |