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This volume presents the current state of our knowledge of the classification of the approximately 300 species of cycads. It includes contributions from leading researchers from Australia, China, Italy, Mexico, South Africa, Thailand and the USA. It has been developed from papers presented at a workshop held in 2002 at the Montgomery Botanical Center. The book provides guidelines for the designation of species, species boundaries and species groupings, thus clarifying what has been a confused area of research.
Plants of the World is the first book to systematically explore every vascular plant family on earth—more than four hundred and fifty of them—organized in a modern phylogenetic order. Detailed entries for each family include descriptions, distribution, evolutionary relationships, and fascinating information on economic uses of plants and etymology of their names. All entries are also copiously illustrated in full color with more than 2,500 stunning photographs. A collaboration among three celebrated botanists at the Royal Botanic Gardens, Kew, Plants of the World is authoritative, comprehensive, and beautiful. Covering everything from ferns to angiosperms, it will be an essential resource for practicing botanists, horticulturists, and nascent green thumbs alike.
Diana Beresford-Kroeger's startling insights into the hidden life of trees have sparked a quiet revolution. In this captivating account, she shows us how forests can not only heal us, but can also save the planet.
This reference contains a staggering number of well-researched and commonly used terms from toxicology and related fields. Scientists from virtually every environmentally oriented field, from chemistry to nursing to agriculture, will find what they need in this dictionary. It features vast coverage of terms, from chemical names and pathogenic terms to official abbreviations, environmental topics, and biological definitions. Each entry categorizes all major definitions and usage, with extensive cross-references for synonyms and related entries. Including nearly every major technical toxicological term as applied to both human and environmental studies, Lewis' Dictionary of Toxicology is broader and more comprehensive than any other to date. It is based on terms found in more than 600 journals, 15,000 reprints of scientific papers, and numerous leading reference sources.
Toxic Plants of North America, Second Edition is an up-to-date, comprehensive reference for both wild and cultivated toxic plants on the North American continent. In addition to compiling and presenting information about the toxicology and classification of these plants published in the years since the appearance of the first edition, this edition significantly expands coverage of human and wildlife—both free-roaming and captive—intoxications and the roles of secondary compounds and fungal endophytes in plant intoxications. More than 2,700 new literature citations document identification of previously unknown toxicants, mechanisms of intoxication, additional reports of intoxication problems, and significant changes in the classification of plant families and genera and associated changes in plant nomenclature. Toxic Plants of North America, Second Edition is a comprehensive, essential resource for veterinarians, toxicologists, agricultural extension agents, animal scientists, and poison control professionals.