''Xanthomonas hortorum'' is a plant pathogen. It includes the following pathovars: * pv. ''hederae'', common ivy and possibly other

Araliaceae The Araliaceae are a family of flowering plants composed of about 43 genera and around 1500 species consisting of primarily woody plants and some herbaceous plants commonly called the ginseng family. The morphology of Araliaceae varies widely ...

* pv. ''taraxaci'', '' Pelargonium peltatum'' * pv. ''carotae'',

wild carrot ''Daucus carota'', whose common names include wild carrot, European wild carrot, bird's nest, bishop's lace, and Queen Anne's lace (North America), is a flowering plant in the family Apiaceae. It is native to temperate regions of the Old World ...

* pv. ''pelargonii'', Kazakh dandelion * pv. ''vitians'', bacterial leafspot and headrot of lettuce, using the neopathotype of LMG 938 * pv. ''cynarae'', formerly ''

Xanthomonas cynarae ''Xanthomonas cynarae'' is a species of bacteria Bacteria (; : bacterium) are ubiquitous, mostly free-living organisms often consisting of one Cell (biology), biological cell. They constitute a large domain (biology), domain of Prokaryo ...

'', pathogenic on artichoke * pv. ''gardneri'', formerly ''

Xanthomonas gardneri Bacterial leaf spot on peppers and tomatoes is caused by a gram-negative and rod-shaped bacterium in the genus ''Xanthomonas''.Thieme, Frank et al. 2005. Insights into Genome Plasticity and Pathogenicity of the Plant Pathogenic Bacterium ''Xantho ...

'' and briefly ''X. cynarae'' pv. ''gardneri'', bacterial leafspot of peppers and tomatoes (pathotype also causes BLS on lettuce surprisingly) The species was originally defined in 1995 as a grouping of pathovars ''hederae'', ''taraxaci'', ''carotae'', ''pelargonii'' from ''

Xanthomonas campestris ''Xanthomonas campestris'' is a gram-negative, obligate aerobic bacterium that is a member of the Xanthomonadaceae, a family of bacteria that are commonly known for their association with plant disease. This species includes ''Xanthomonas campe ...

'', and the lettuce-infecting part of ''X. c.'' pv. ''vitians''. (''X. c.'' pv. ''vitians'' was found to consist of two genetic groups, only one of which causes disease on lettuce.)

External links

Type strain of ''Xanthomonas hortorum'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
hortorum {{gammaproteobacteria-stub