Not an accepted name (status: unknown). The accepted name is Ranunculus arvensis L., 1753.

Ranunculus arvensis var. echinatissimus (Blatt.) Qureshi & Chaudhri, 1988 2% complete

No common name

Pakistan Syst. 4: 184 (1988)

There is no corrections for Ranunculus arvensis var. echinatissimus yet.