Ranunculus arvensis var. echinatissimus
Ranunculus echinatus Ranunculus curvirostratus Ranunculus tuberculatus Ranunculus segetalis Pachyloma arvense Pfundia arvensis Hericinia arvensis Ranunculus arvensis var. arvensis Ranunculus arvensis var. tuberculatus Ranunculus fernandezii Ranunculus reticulatus Cynomorbium heterophyllum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024