Water crowfoot : An aquatic kind of buttercup (Ranunculus aquatilis), used as food for cattle in parts of England.

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Taxonomy
buttercup, Ranunculus, species, plants, free encyclopedia, water crowfoot, genus, flowers, Ranunculus repens, leaves, frog, Coyote, Sardinian, Creeping buttercup, family Papaveraceae, white flowers, made eyes, Ranunculus sardous.

Defination from the web:
water crowfoot. Ranunculus arvensis - Corn buttercup. Ranunculus asiaticus - Persian buttercup. Ranunculus auricomus - Goldilocks buttercup ... Ranunculus peltatus - Pond water crowfoot. Ranunculus platanifolius - Large white buttercup. Ranunculus ...