Ranunculus ficaria is a type of flowering plant commonly known as Lesser Celandine or Fig Buttercup. It is native to Europe and Asia and has spread to many parts of the world as an invasive species. Because of this, it's important to understand that there are other names for this plant. Some of the synonyms of Ranunculus ficaria include pilewort, small celandine, figwort, butter and cheese, brighteye, and jo-go-to-kola. No matter what name you use, this plant is known for its small yellow flowers and heart-shaped leaves, and can often be found in woodlands, meadows, and wetlands.