Thomas Moore (1821–1887) was a British botanist and gardener renowned for his expertise in ferns and his management of the Chelsea Physic Garden. His seminal work, The Ferns of Great Britain and Ireland (1855), along with numerous writings on plant cultivation, underscored his influence during the Victorian era’s "pteridomania.
" Authors such as Stephen Lucius Gwynn emphasized Moore’s combination of scientific precision and social grace, while contemporaries like William Howitt acknowledged his extensive editorial contributions to horticultural periodicals. Although some confused him with the poet Thomas Moore, this botanist’s legacy lies in his careful recording of plant life and his role in advancing botanical knowledge, as demonstrated by his lasting impact on horticultural literature and the Chelsea garden’s evolution into a hub for fern research.