Name: Sphaerisporangium rhizosphaerae Mu et al. 2018

Category: Species

Proposed as: sp. nov.

Etymology: rhi.zo.sphae’rae. Gr. fem. n. rhiza, a root; Gr. fem. n. sphaîra, ball, sphere; N.L. gen. fem. n. rhizosphaerae, of the rhizosphere

Pronunciation (Latin), gender: sp^ha͡e-ri-spor-an-GI-um r^hi-zo-SP^HA͡E-ra͡e, neuter

Type strain: CGMCC 4.7429; JCM 32389; NEAU mq3

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MF981162 Analyse FASTA

Valid publication: Mu S, Zhao Q, Zhao J, Cao T, Zhao X, Guo X, Li Y, Xiang W, Wang X. Sphaerisporangium rhizosphaerae sp. nov., an actinomycete isolated from the rhizosphere soil of a rubber tree (Hevea brasiliensis Muell. Arg). Int J Syst Evol Microbiol 2018; 68:2860-2865. 🇨🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 9 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3685-3687.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.12338 (N = 17).
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — 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 1 time in PubMed until 2026-06-11.

Parent taxon: Sphaerisporangium corrig. Ara and Kudo 2007

Assigned by: Mu S, Zhao Q, Zhao J, Cao T, Zhao X, Guo X, Li Y, Xiang W, Wang X. Sphaerisporangium rhizosphaerae sp. nov., an actinomycete isolated from the rhizosphere soil of a rubber tree (Hevea brasiliensis Muell. Arg). Int J Syst Evol Microbiol 2018; 68:2860-2865. 🇨🇳

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Record number: 796411