Etymology:wal.la’ce.i.N.L. gen. masc. n.wallacei, of Wallace, in honor of Richard J. Wallace, Jr., in recognition of his contributions to the understanding of the taxonomy and drugs susceptibility of Nocardia species
Effective publication:
Conville PS, Brown JM, Steigerwalt AG, Brown-Elliott BA, Witebsky FG. Nocardia wallacei sp. nov. and Nocardia blacklockiae sp. nov., human pathogens and members of the "Nocardia transvalensis Complex". J Clin Microbiol 2008; 46:1178-1184. 🇺🇸
IJSEM list:
Euzeby JP. Validation list no. 125. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2009; 59:1-2.
Nomenclatural status:
validly published under the ICNP
Taxonomic status:
correct name (and explicitly recommended for medical use)
Risk group:
2
Notes:
😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
🎓 Name mentioned 25 times in PubMed until 2026-06-11.
🪓 Organisms assigned to this species have previously been classified as Nocardiatransvalensis Pijper and Pullinger 1927 (Approved Lists 1980).Publication:
Pijper A, Pullinger BD. South African Nocardioses. Journal of Tropical Medicine and Hygiene 1927; 30:153-156.
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
🫡 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself. This name is not taxonomically suspended any more in favour of Nocardiatransvalensis Pijper and Pullinger 1927 (Approved Lists 1980).Publication:
Pijper A, Pullinger BD. South African Nocardioses. Journal of Tropical Medicine and Hygiene 1927; 30:153-156.
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
🧍 According to Bartlett et al. (2022), this species is an established human pathogen.Publication:
Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧