Petitia

Petitia may mean:

In the Regnum Animalia - Petitia Deboutteville, 1955 (Annelida : Syllidae)
In the Regnum Plantae - Petitia Jacq. (Magnoliophyta : Lamiaceae)
In the Regnum Chromista – Petitia M.Peragallo, 1909

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