Scientific name: Maricus javanicus (Houtt. ) Merr. & Mect. 1945English name: Vietnamese name: Cói tương java; Lác javaOther name: Cyperus javanicus Houtt. 1782 (CCVN, 3:692). - Mariucus albescens Gaudich. 1826 (FGI, 7:78);