James Sowerby, Coloured figures of English fungi or mushrooms Volume 1…
“ Found in great plenty in the bark-beds of hothouses about London in the year 1785. The Rev. Mr. Relhan, so well known by his Flora Cantabrigiensis, discovered it in Dr. Harwood's bark-bed at Cambridge last year 1794, and, considering it as a great curiosity, very kindly favoured me with specimens. ”
