This reference work serves as a practical identification guide for the diverse tree and shrub species found within the British landscape. Michael Chinery, a recognized naturalist and author of numerous field guides, utilizes a structured taxonomic approach to assist readers in the field. The text provides essential morphological data, allowing for the systematic classification of native and naturalized woody plants based on observable physical characteristics.

The text functions as a standard, accessible field guide intended for amateur naturalists and students of botany. Its concise format and focus on observable traits make it a reliable tool for outdoor identification tasks.