Mixed species biofilms of Listeria monocytogenes and Lactobacillus plantarum show enhanced resistance to benzalkonium chloride and peracetic acid

►Listeria monocytogenes and Lactobacillus plantarum form mixed species biofilms. ►Single species biofilms are more resistant than planktonic cells. ►Mixed species biofilms are more resistance than single species biofilms.