Rhagadiolus (Juss., 1789) is a genus of plants in the dandelion tribe within the daisy family, order Asterales of the kingdom Plantae that has two known species, Rhagadiolus edulis  and Rhagadiolus stellatus which are native to the Mediterranean region of southern Europe, northern Africa, and the Middle East.
Rhagadiolus is a genus of plants in the dandelion tribe within the daisy family, native to the Mediterranean region of southern Europe, northern Africa, and the Middle East. Rhagadiolus
Juss. 1789, conserved name not Scop. 1777 nor Zinn 1757 nor Tourn. ex Scop. 1777 nor Vaill. 1754 Asterales Order: Plantae Kingdom: Rhagadiolus edulis Gaertn. - from Portugal + Morocco to Iran Rhagadiolus stellatus (L.) Gaertn. - from Britain to Canary Islands + Caucasus; naturalized in California (Sonoma + Napa Counties) 
