35 Nurul Nadia Binti Ya'akob 2019-08-27 https://www.fs.fed.us/database/feis/plants/graminoid/agrcri/all.html Zlatnik, E. (1999). Agropyron cristatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences. Retrieved from https://www.fs.fed.us/database/feis/plants/graminoid/agrcri/all.html