Titlebook: Conservation of Threatened Plants; J. B. Simmons (Curator),R. I. Beyer (Deputy Curato Book 1976 Plenum Press, New York 1976 agriculture.de

CODA

万花筒

充足

独白

meretricious

978-1-4684-2519-2Plenum Press, New York 1976

Fissure

The Croydon Story: Slums of the Future?,n surveys of threatened plants in North America, Europe and other parts of the world suggest that perhaps one-tenth of angiosperm species are in hazard of extinction, a situation a good deal worse than might have been predicted even ten years ago. Some floras are in greater peril than others, but th

Deject

negligence

Involving the Publics in Research,d remaining collections are maintained by universities and related teaching institutions. So, if I tend to refer to the situation in the Netherlands and in Leiden in particular, I must beg you not to interpret this as pure chauvinism but more as a historical necessity and of course, as a result of t

debouch

Affiliation

Maxim V. Sevostyanov,Sergey A. Sharonovticulture in association with botany and becomes embroiled in general management matters, many of them wrongly placed and others quite trivial that, in earlier days, required or received little or no attention. Now with a more liberal, even a permissive industrial atmosphere what was quite constant