Book reviewed in this article
Ecosystem Rehabilitation. Ed. by Mohan K. Wall
Origin and Geography of Cultivated Plants. By N. I. Vavilov. Ed. by V. F. Dorofeyev. Translated by D. Löve.
Fundamentals of Orchid Biology. By J. Arditti.
The Orchid Book. A Guide to the Identification of Cultivated Orchid Species. Ed. by J. CULLEN.
List of Vascular Plants of the British Isles. By D. H. Kent.