Ranunculus philonotis var. diffusus Moris, Fl. Sardoa 1: 47. 1837
Ranunculus philonotis var. diffusus, Fl. Sardoa 1: 47. 1837
is basionym for Ranunculus cordiger subsp. diffusus in Boll. Soc. Sarda Sci. Nat. 22: 278. 1983
Ranunculus philonotis var. diffusus, Fl. Sardoa 1: 47. 1837