| Azospirillum | 
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| Scientific classification | 
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| Genus: | Azospirillum 
 Tarrand et al. 1979 | 
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| Type species | 
| Azospirillum lipoferum 
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| Species | 
| A. agricola Lin et al. 2016A. baldaniorum Dos Santos Ferreira et al. 2020A. brasilense corrig. Tarrand et al. 1979 (Approved Lists 1980)A. canadense Mehnaz et al. 2007A. doebereinerae Eckert et al. 2001A. fermentarium Lin et al. 2013A. formosense Lin et al. 2012A. griseum Yang et al. 2019A. halopraeferens Reinhold et al. 1987A. humicireducens Zhou et al. 2013A. largimobile corrig. (Skerman et al. 1983) Ben Dekhil et al. 1997A. lipoferum (Beijerinck 1925) Tarrand et al. 1979 (Approved Lists 1980)A. melinis Peng et al. 2006"A. oleiclasticum" Wu et al. 2020A. oryzae Xie and Yokota 2005"A. palatum" Zhou et al. 2009A. palustre Tikhonova et al. 2019A. picis Lin et al. 2009A. ramasamyi Anandham et al. 2019A. rugosum Young et al. 2008A. soli Lin et al. 2015A. thermophilum Zhao et al. 2020A. thiophilum Lavrinenko et al. 2010A. zeae Mehnaz et al. 2007
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| Synonyms | 
| Conglomeromonas Skerman et al. 1983
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Azospirillum is a Gram-negative, microaerophilic, non-fermentative and nitrogen-fixing bacterial genus from the family of Rhodospirillaceae. Azospirillum bacteria can promote plant growth.