Ranunculus arvensis; Acker-Hahnenfuss; Ranunculus arvensis (alte Namen) -- Familie Hahnenfu遟ew鋍hse (Ranunculaceae); Acker-Hahnenfu? Ranunculus arvensis L.; Ranunculus arvensis; L.; Der Acker-Hahnenfu? Ranunculus arvensis; Pflanzenart in der Familie der Hahnenfu遟ew鋍hse; Ranunculaceae. Sie ist in Eurasien beheimatet.; Die artenreiche Pflanzengattung Hahnenfu? Ranunculus; geh鰎t zur Familie der Hahnenfu遟ew鋍hse; Ranunculaceae.; Ranunculus arvensis - old Names; Family Ranunculaceae; Ranunculus arvensis L.; 1. also corn buttercup; corn crowfoot; field buttercup; 1. Ranunculus arvensis; Corn Buttercup; Devil-on-all-sides; Scratch Bur; is a plant species of the genus Ranunculus. It is native to Europe; but it can be found on other continents as an introduced species and sometimes a weed; including in North America and Australia.; Ranunculus; genus of about 600 species of plants in the Ranunculaceae. Members of the genus include the buttercups; spearworts; water crowfoots and the lesser celandine. They are mostly herbaceous perennials.