Source: https://www.researchgate.net/profile/Alaa_Niamah/post/Lactobacillus_casei_is_the_same_that_Lactobacillus_paracasei/attachment/59d64f0779197b80779a8480/AS:495670448869376@1495188452895/download/bergey's manual of systematic bacteriology 2009.pdf