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Subspecies Xanthomonas alfalfae subsp. alfalfae
Name: Xanthomonas alfalfae subsp. alfalfae (ex Riker et al. 1935) Schaad et al. 2007
Proposed as: subsp. nov., nom. rev.
Etymology: al.fal’fae. N.L. gen. fem. n. alfalfae, of alfalfa (Medicago sativa)
Pronunciation, gender: al-FAL-fa͡e, feminine
Type strain: ATCC 11765; ICMP 15807; ICPB 10701; LMG 495
Effective publication:
Schaad NW, Postnikova E, Lacy G, Sechler A, Agarkova I, Stromberg PE, Stromberg VK, Vidaver AK. Emended classification of xanthomonad pathogens on citrus. Syst Appl Microbiol 2006; 29:690-695. 
IJSEM list:
Euzeby JP. Validation list no. 115. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2007; 57:893-897.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name (and explicitly recommended for medical use)
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Notes:
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🙋 This subspecies could be automatically created (rule 40d) by the valid publication of Xanthomonas alfalfae subsp. citrumelonis Schaad et al. 2007 but an explicit description was also provided.
Publication:
Schaad NW, Postnikova E, Lacy G, Sechler A, Agarkova I, Stromberg PE, Stromberg VK, Vidaver AK. Emended classification of xanthomonad pathogens on citrus. Syst Appl Microbiol 2006; 29:690-695.
- 😷 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "p". — 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.
- 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of other species in the genus.
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🙋 This subspecies could be automatically created (rule 40d) by the valid publication of Xanthomonas alfalfae subsp. citrumelonis Schaad et al. 2007 but an explicit description was also provided.
Publication:
Schaad NW, Postnikova E, Lacy G, Sechler A, Agarkova I, Stromberg PE, Stromberg VK, Vidaver AK. Emended classification of xanthomonad pathogens on citrus. Syst Appl Microbiol 2006; 29:690-695.
Parent taxon: Xanthomonas alfalfae (ex Riker et al. 1935) Schaad et al. 2007
Assigned by:
Schaad NW, Postnikova E, Lacy G, Sechler A, Agarkova I, Stromberg PE, Stromberg VK, Vidaver AK. Emended classification of xanthomonad pathogens on citrus. Syst Appl Microbiol 2006; 29:690-695.
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Record number: 786238
This LPSN page was printed on 2025-12-07 16:23:24