Scientific name: Pycreus polystachyus (Rottb.) Beauv. 1807
English name:
Vietnamese name: Cói trục dai nhiều bông; Cú ma
Other name: Cyperus polystachyus Rottb. 1772 (CCNVN, 2:792; CCVN, 3:694- " polystachyos");