Name: Pectobacterium chrysanthemi (Burkholder et al. 1953) Brenner et al. 1973 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: Erwinia chrysanthemi Burkholder et al. 1953 (Approved Lists 1980)

Etymology: chry.san’the.mi. N.L. gen. neut. n. chrysanthemi, of the plant genus Chrysanthemum

Pronunciation (Latin), gender: … k^hry-SAN-t^he-mi, neuter

Type strain: ATCC 11663; CCUG 38766; CFBP 2048; CIP 82.99; DSM 4610; ICMP 5703; LMG 2804; NCAIM B.01392; NCPPB 402

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ233412 Analyse FASTA

Effective publication: Brenner DJ, Steigerwalt AG, Miklos GV, Fanning GR. Deoxyribonucleic acid relatedness among Erwiniae and other Enterobacteriaceae: the soft-rot organisms (Genus Pectobacterium Waldee). International Journal of Systematic Bacteriology 1973; 23:205-216.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Dickeya chrysanthemi (Burkholder et al. 1953) Samson et al. 2005

Risk group: 2

• Synonyms:

  • Name	Kind
    Erwinia chrysanthemi Burkholder et al. 1953 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Dickeya chrysanthemi (Burkholder et al. 1953) Samson et al. 2005	homotypic synonym, validly published under the ICNP

• Emendations:
  • Hauben et al. 1998 Hauben L, Moore ER, Vauterin L, Steenackers M, Mergaert J, Verdonck L, Swings J. Phylogenetic position of phytopathogens within the Enterobacteriaceae. Syst Appl Microbiol 1998; 21:384-397. 🇧🇪 Anonymous. Validation list no. 68. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1999; 49:1-3.
    Notes:
    • 📧 The e-mail address of the corresponding author given in the associated publication is not functional any more.
    • 🧍 The species of the genus Erwinia Winslow et al. 1920 (Approved Lists 1980) may be divided into three phylogenetic groups according to the results of 16S rDNA sequences. Hauben et al. 1999 propose (1) to restrict the genus Erwinia to the species of cluster I (see: Erwinia); (2) to transfer the species of cluster III into the new genus Brenneria Hauben et al. 1999; (3) to unite the species of cluster II, Erwinia carotovora subsp. atroseptica, Erwinia carotovora subsp. betavasculorum, Erwinia carotovora subsp. carotovora, Erwinia carotovora subsp. odorifera, Erwinia carotovora subsp. wasabiae, Erwinia cacticida, Erwinia chrysanthemi and Erwinia cypripedii in the genus Pectobacterium Waldee 1945 (Approved Lists 1980); (4) to emend Pectobacterium chrysanthemi [Pectobacterium chrysanthemi (Burkholder et al. 1953) Brenner et al. 1973 (Approved Lists 1980) emend. Hauben et al. 1998]. So, Pectobacterium chrysanthemi is to be considered as an authentic species of the genus Pectobacterium.

• Notes:
  • ❗ Pectobacterium chrysanthemi is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Pectobacterium.
  • 😷 The risk group for Belgium has been imported on 2024-02-01. The full classification is: risk group = 1, note = "plant pathogen - biological class of risk plant: 2". — 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.
  • 🎓 Name mentioned 26 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 Plant pathogenic according to Bull et al. (2007). Publication: Bull CT, De Boer SH, Denny TP, Firrao G, Fischer Le Saux M, Saddler GS, Scortichini M, Stead DE, Takikawa Y. Comprehensive list of names of plant pathogenic bacteria, 1980-2007. Journal of Plant Pathology 2010; 92:551-592. 🇺🇸
  • 🧍 Plant pathogenic according to Bull et al. (2014). Publication: Bull CT, De Boer SH, Denny TP, Firrao G, Fischer Le Saux M, Saddler GS, Scortichini M, Stead DE, Takikawa Y. List of new names of plant pathogenic bacteria (2011-2012). Journal of Plant Pathology 2014; 96:223-226. 🇺🇸

Parent taxon: Pectobacterium Waldee 1945 (Approved Lists 1980)

Assigned by: Brenner DJ, Steigerwalt AG, Miklos GV, Fanning GR. Deoxyribonucleic acid relatedness among Erwiniae and other Enterobacteriaceae: the soft-rot organisms (Genus Pectobacterium Waldee). International Journal of Systematic Bacteriology 1973; 23:205-216.

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Record number: 779201