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.
- "Biovar - definition of biovar by Medical dictionary". TheFreeDictionary.com. Retrieved 10 November 2016.
- "Biovar - Define Biovar at Dictionary.com". Dictionary.com. Retrieved 10 November 2016.