British botanist and lichenologist (1872-1960).
Walter Watson (1872–1960) was a British lichenologist who made contributions to the study of lichens and bryophytes in the United Kingdom. Born in Greenfield and educated at the University of London, Watson had a long career as an educator, culminating in his role as head of the science department at Taunton School. His research focused primarily on the botany of Somerset, where he settled, and he authored numerous papers on lichen and bryophyte floras. Watson's most notable work, the Census Catalogue of British Lichens (1953), became a foundational resource for mapping lichen distribution in