US Forest Service, 2013. Pacific Island Ecosystems at Risk (PIER) Document reference US Forest Service, 2013. Echinochloa polystachya (Kunth) Hitchc.. Pacific Island Ecosystems at Risk (PIER)Web http://www.hear.org/pier/species/echinochloa_polystachya.htmCitation key US Forest Service, 2013Datasheets German grass (Echinochloa polystachya)
