According to Kobayashi et al. (2020), this species is a later heterotypic synonym of Clostridiumbeijerinckii Donker 1926 (Approved Lists 1980).Publication:
Kobayashi H, Tanizawa Y, Sakamoto M, Nakamura Y, Ohkuma M, Tohno M. Reclassification of Clostridium diolis Biebl and Sproer 2003 as a later heterotypic synonym of Clostridium beijerinckii Donker 1926 (Approved Lists 1980) emend. Keis et al. 2001. Int J Syst Evol Microbiol 2020; 70:2463-2466.
Synonymy of this taxon was mentioned in an IJSEM list.Publication:
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 4 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:4050-4060.
In the effective publication, a different DSM accession number is given because the strain was originally a patent strain deposited as Clostridium butyricum DSM 5431.Publication:
Euzeby JP. Validation list no. 91. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2003; 53:627-628.