Name: Clavibacter michiganensis subsp. sepedonicus corrig. (Spieckermann and Kotthoff 1914) Davis et al. 1984

Category: Subspecies

Proposed as: comb. nov.

Basonym: "Bacterium sepedonicum" Spieckermann and Kotthoff 1914

Etymology: se.pe.do’ni.cus. Gr. fem. n. sêpedôn, rottenness, decay, putrefaction; L. masc. adj. suff. -icus, suffix used with the sense of pertaining to; N.L. masc. adj. sepedonicus, pertaining to decay, intended to mean leading to decay

Gender: masculine

Type strain: ATCC 33113; CCUG 23908; CFBP 2049; CIP 104844; DSM 20744; ICMP 2535; JCM 9667; LMG 2889; NCPPB 2137; VKM Ac-1405

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AM410694 Analyse FASTA

Valid publication: Davis MJ, Gillaspie Jr. AG, Vidaver AK, Harris RW. Clavibacter: a new genus containing some phytopathogenic coryneform bacteria, including Clavibacter xyli subsp. xyli sp. nov., subsp. nov. and Clavibacter xyli subsp. cynodontis subsp. nov., pathogens that cause ratoon stunting disease of sugarcane and Bermudagrass stunting disease. Int. J. Syst. Bacteriol. 1984; 34:107-117.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Clavibacter sepedonicus (Spieckermann and Kotthoff 1914) Li et al. 2018

Risk group: 2

• Synonyms:

  • Name	Kind
    "Bacterium sepedonicum" Spieckermann and Kotthoff 1914	homotypic synonym, not validly published, basonym of name in Approved Lists, distinct rank
    Clavibacter michiganensis subsp. sepedonicum (Spieckermann and Kotthoff 1914) Davis et al. 1984	other spelling of name, inaccurate spelling
    Clavibacter michiganense subsp. sepedonicum (Spieckermann and Kotthoff 1914) Davis et al. 1984	other spelling of name, inaccurate spelling
    Clavibacter michiganense subsp. sepedonicus (Spieckermann and Kotthoff 1914) Davis et al. 1984	other spelling of name, inaccurate spelling
    Clavibacter sepedonicus (Spieckermann and Kotthoff 1914) Nouioui et al. 2018	homotypic synonym, validly published under the ICNP, illegitimate name, distinct rank
    Clavibacter sepedonicus (Spieckermann and Kotthoff 1914) Li et al. 2018	homotypic synonym, validly published under the ICNP, distinct rank
    Corynebacterium sepedonicum (Spieckermann and Kotthoff 1914) Skaptason and Burkholder 1942 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP, distinct rank
    Corynebacterium michiganense subsp. sepedonicum (Spieckermann and Kotthoff 1914) Carlson and Vidaver 1982	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Clavibacter michiganensis subsp. sepedonicus is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Clavibacter michiganensis within a separate genus Clavibacter.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PP QUA". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "p2". — 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.
  • 🧍 The phylogenetic position of this subspecies was determined in a genome-scale analysis by Nouioui et al. (2018). Publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.
  • 🧍 Nom. corrig.: IJSB 43:144; Clavibacter michiganense subsp. sepedonicus (sic). Publication: Zgurskaya HI, Evtushenko LI, Akimov VN, Kalakoutskii LV. Rathayibacter gen. nov., including the species Rathayibacter rathayi comb. nov., Rathayibacter tritici comb. nov., Rathayibacter iranicus comb. nov., and six strains from annual grasses. Int. J. Syst. Bacteriol. 1993; 43:143-149.
  • 🧍 The original spelling, Clavibacter michiganense (sic) subsp. sepedonicum (sic), has been corrected by Zgurskaya et al. 1993. Publication: Zgurskaya HI, Evtushenko LI, Akimov VN, Kalakoutskii LV. Rathayibacter gen. nov., including the species Rathayibacter rathayi comb. nov., Rathayibacter tritici comb. nov., Rathayibacter iranicus comb. nov., and six strains from annual grasses. Int. J. Syst. Bacteriol. 1993; 43:143-149.

Parent taxon: Clavibacter michiganensis corrig. (Smith 1910) Davis et al. 1984

Assigned by: Davis MJ, Gillaspie Jr. AG, Vidaver AK, Harris RW. Clavibacter: a new genus containing some phytopathogenic coryneform bacteria, including Clavibacter xyli subsp. xyli sp. nov., subsp. nov. and Clavibacter xyli subsp. cynodontis subsp. nov., pathogens that cause ratoon stunting disease of sugarcane and Bermudagrass stunting disease. Int. J. Syst. Bacteriol. 1984; 34:107-117.

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Record number: 774775