By A Mystery Man Writer
Buttercup, genus of about 300 species of herbaceous flowering plants in the family Ranunculaceae. Buttercups are distributed nearly worldwide and are especially common in woods and fields of the north temperate zone. Several are cultivated as ornamentals and for the floral industry.
Botanical Illustration: Buttercup Species - Lizzie Harper
Ranunculus acris - Wikipedia
Flower Facts: All About Buttercups - Give Gift Boutique Flower Shop
Ranunculus rhomboideus (Prairie buttercup) - Michigan Natural Features Inventory
Weed Gallery: Buttercup oxalis (Bermuda buttercup)-UC IPM
Meadow buttercup The Wildlife Trusts
Creeping buttercup / RHS Gardening
Ranunculus fascicularis (Early Buttercup): Minnesota Wildflowers
Asian Buttercup Rare Plants, Organic Green Plants to Embellish the Environment A, 10 Bulbs : : Garden