Irwinia
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Wikispecies has information related to Irwinia.
Irwinia is the scientific name of two genera of organisms and may refer to:
- Irwinia (fly), a genus of flies in the family Tachinidae, now treated as a taxonomic synonym of Phytomyptera
- Irwinia, a former genus of plants in the family Asteraceae, whose only species Irwinia coronata is now treated as Blanchetia coronata