Prokaryote taxonomy

thumb|Aeromonas veronii biovar sobria|Aeromonas veronii biovar sobria [[Gram stain on microscope slide]] A biovar is a variant prokaryotic strain that differs physiologically or biochemically from other strains in a particular species. Morphovars (or morphotypes) are those strains that differ morphologically. Serovars (or serotypes) are those strains that have antigenic properties that differ from other strains. __FORCETOC__

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