However, he also paid attention to mollusca and insects and in Pennant's British Zoology he is mentioned as the discoverer of Trochus terrestris.
[2][3] From 1757 to 1768 Hudson was resident sub-librarian of the British Museum, and his studies in the Sloane herbarium enabled him to adapt the Linnean nomenclature to the plants described by Ray far more accurately than did John Hill in his Flora Britannica of 1760.
[4][5] In 1761 Hudson was elected a Fellow of the Royal Society, and in the following year the first edition of his Flora Anglica appeared, which, according to Pulteney and J. E. Smith, "marks the establishment of Linnean principles of botany in England."
However, in 1783 his house in Panton Street caught fire, his collections of insects and many of his plants were destroyed, and the people narrowly escaped with their lives.
[7] He bequeathed the remains of his herbarium to the Apothecaries' Company and some have subsequently been transferred to the herbaria at the Royal Botanic Gardens and the Natural History Museum in London.