Tài liệu tham khảo WikiPedia: Alopecurus pratensis http://www.ville-ge.ch/musinfo/bd/cjb/africa/detai... http://data.canadensys.net/vascan/taxon/7395 http://www.nzor.org.nz/names/711b904a-a6dc-42bf-a0... http://www.efloras.org/florataxon.aspx?flora_id=2&... http://www.ipni.org/ipni/idPlantNameSearch.do?id=3... http://www.irmng.org/aphia.php?p=taxdetails&id=102... http://wcsp.science.kew.org/namedetail.do?name_id=... http://www.kew.org/data/grasses-db/www/imp00367.ht... http://www.plantsoftheworldonline.org/taxon/urn:ls... http://www.theplantlist.org/tpl1.1/record/kew-3915...
