Fern horticulture : past, present and future perspectives : the proceedings of The International Symposium on the Cultivation and Propagation of Pteridophytes : held at London, England, 7-11 July 1991 on the occasion of the centenary of the British Pteridological Society /
International Symposium on the Cultivation and Propagation of Pteridophytes(1991 7-11 July :London, England)
Ide, Jennifer M.
Jermy, A. C.(Anthony Clive)
Paul, Alison M.
British Pteridological Society.
Andover : Incept,
c1992.