Kampfer P, Witzenberger R, Denner EB, Busse HJ, Neef A. Novosphingobium hassiacum sp. nov., a new species isolated from an aerated sewage pond. Syst Appl Microbiol 2002; 25:37-45.
Anonymous. Validation list no. 87. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:1437-1438.
In the September 2002 issue of the IJSEM, Yabuuchi et al. propose that the species of the genus Novosphingobium are later synonyms of species of the genus Sphingomonas. Of course, Novosphingobium hassiacum, effectively and validly published in 2002, was not taken into account by Yabuuchi et al.Publication:
Yabuuchi E, Kosako Y, Fujiwara N, Naka T, Matsunaga I, Ogura H, Kobayashi K. Emendation of the genus Sphingomonas Yabuuchi et al. 1990 and junior objective synonymy of the species of three genera, Sphingobium, Novosphingobium and Sphingopyxis, in conjunction with Blastomonas ursincola. Int J Syst Evol Microbiol 2002; 52:1485-1496.