Name: Entomoplasma florum (McCoy et al. 1984) Gasparich and Kuo 2025

Category: Species

Proposed as: comb. nov.

Basonym: Acholeplasma florum McCoy et al. 1984

Etymology: flo’rum. L. masc. n. flos (gen. floris), a flower; L. gen. masc. pl. n. florum, of flowers, indicating the recovery site of the organism

Pronunciation (Latin), gender: … FLO-rum, neuter

Type strain: ATCC 33453; L1; NBRC 100688; NCTC 11704

Conduct genome-based taxonomy at

16S rRNA gene: AF300327 Analyse FASTA

Valid publication: Gasparich GE, Kuo CH. Genome analysis-based union of the genus Mesoplasma with the genus Entomoplasma. Int J Syst Evol Microbiol 2019; 69:2735-2738. 🇺🇸

IJSEM list: Oren A, Göker M. Validation list no. 222. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6640.

Nomenclatural status: validly published under the ICNP

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

Correct name: Mesoplasma florum (McCoy et al. 1984) Tully et al. 1993

• Synonyms:

  • Name	Kind
    Acholeplasma florum McCoy et al. 1984	homotypic synonym, validly published under the ICNP
    Mesoplasma florum (McCoy et al. 1984) Tully et al. 1993	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Entomoplasma florum 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 Entomoplasma.
  • 🎓 Name mentioned 0 times in PubMed until 2025-04-08.
  • 🙅 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 other species in the genus.
  • 🧍 Originally considered not validly published. Publication: Oren A, Arahal DR, Goker M, Moore ERB, Rossello-Mora R, Sutcliffe IC. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2022 Revision). Int J Syst Evol Microbiol 2023; 73:5585. 🇮🇱

Parent taxon: Entomoplasma Tully et al. 1993

Assigned by: Gasparich GE, Kuo CH. Genome analysis-based union of the genus Mesoplasma with the genus Entomoplasma. Int J Syst Evol Microbiol 2019; 69:2735-2738. 🇺🇸

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Record number: 64751