It has been said thatAs the founder of British mycology, his significant work is contained in the account of native British fungi in Sir W. Hooker's "British Flora" (1836), in his "Introduction to Cryptogamic Botany" (1857), and in his "Outlines of British Fungology" (1860).
Потом он обработал последний том "English Flora" (1836) и напечатал "Introduction to Cryptogamic Botany" (1857), "Outlines of British Fungology" (1860).