Created for those who work and play on the shores and in the shallow subtidal of the Pacific, this easy to use field guide is suitable for amateurs and professionals alike. Featuring a 'Quick Key' and filled with interesting details, this comprehensive book will enable you to readily identify 128 species of marine algae commonly found along the coast from Alaska to Baja California. Each species is accompanied by at least one color photograph, and text that covers identifying characteristics, range, and habitat.