Les Algues De P.-k.-a. Schousboe presents a detailed study of the algae collected by Peder Kofod Anker Schousboe in Morocco and the Mediterranean between 1815 and 1829. This historical work, edited by ?douard Bornet, offers valuable insights into the botanical discoveries of the early 19th century. The book provides a comprehensive overview of the algae species identified, making it an essential resource for botanists, marine biologists, and historians of science. Its meticulous documentation and historical context render it a significant contribution to the understanding of marine flora and the scientific explorations of the period.