There are several synonyms for the tree species Salix caprea, which is commonly known as the goat willow or pussy willow. Some of its synonyms include Salix boudieri, Salix canescens, Salix cavernosa, Salix daphnoides, and Salix hybrida. The goat willow is a small to medium-sized deciduous tree that is native to Europe and Asia and is known for its attractive, furry catkins that resemble the paws of a kitten. It is often grown for ornamental purposes and is also used in traditional medicine to treat various ailments. The goat willow is a hardy and adaptable tree that can grow well in a range of soil types and conditions.