Flora of North America: Volume 2: Pteridophytes and Gymnosperms PDF Download
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Author: Flora of North America Editorial Committee
Publisher: Oxford University Press
ISBN: 0195082427
Category : Science
Languages : en
Pages : 497
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Book Description
This second volume of the magnificent compendium exhaustively describes and classifys the ferns, fern allies, and gymnosperms of North America. Covering over two dozen fern and half a dozen gymnosperm families, they survey fern species of both ecological and horticultural importance and review such gymnosperm taxa as the conifers (the dominant trees in many forests as well as important timber plants) and cycads, which display significant evolutionary features. In all, the volume assembles 509 species of ferns and fern allies and infraspecific taxa in 70 genera.
Author: Flora of North America Editorial Committee
Publisher: Oxford University Press
ISBN: 0195082427
Category : Science
Languages : en
Pages : 497
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Book Description
This second volume of the magnificent compendium exhaustively describes and classifys the ferns, fern allies, and gymnosperms of North America. Covering over two dozen fern and half a dozen gymnosperm families, they survey fern species of both ecological and horticultural importance and review such gymnosperm taxa as the conifers (the dominant trees in many forests as well as important timber plants) and cycads, which display significant evolutionary features. In all, the volume assembles 509 species of ferns and fern allies and infraspecific taxa in 70 genera.
Author: Flora of North America Editorial Committee
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 408
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Book Description
To be published in 14 volumes over the next 12 years, this long-awaited synoptic compendium represents the first and only comprehensive taxonomic guide to the extraordinary diversity of plant life blanketing our continent north of Mexico--including Greenland and the St. Pierre and Miquelon islands. The collaborative effort of more than 30 major U.S. and Canadian botanical institutions, it revises and synthesizes literally thousands of floristic monographs and regional floras published over the last three centuries. But more than that, it distills the original herbarium, laboratory, and field work of hundreds of contributors--all of them leading botanists and taxonomic authorities who have joined forces to develop this century's premier tool for identifying, understanding, and conserving North America's priceless floristic heritage. Concise, easy to use, and beautifully bound and illustrated, Flora of North America is an indispensable working resource for botanists, conservationists, ecologists, agronomists, foresters, range and land managers, horticulturists,--anyone with a serious interest in the distribution, habitat, morphology, and survival of the wide-ranging plant life around us. Each of its taxonomic volumes brings together the full spectrum of critical botanical data, from basic descriptions to chromosome numbers. The entries also correct erroneous information, qualify misapplied variant names, and note known hybridizations. Findings derived from recent experimental work and from numerical taxonomy are incorporated, and to assure accuracy, these data have been extensively reviewed and tested by cooperating taxonomic specialists. Volume 1 consists of a series of introductory essays by nearly two dozen noted botanical authorities. Among the topics covered are the transformation of North American plant life since the end of the Mesozoic era some 70 million years ago; the influence of geographic, climatic, and soil factors; the impact of human cultivation; great naturalists and their contributions to botany and floristics since the age of Columbus; and approaches to plant classification, with particular attention to the evolutionarily unique pteridophytes and gymnosperms that are covered in Volume 2.
Author:
Publisher:
ISBN: 0190202750
Category : Bryophytes
Languages : en
Pages : 729
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Book Description
Author: Museum of Natural History (U.S.)
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 236
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Book Description
Author:
Publisher:
ISBN:
Category : Biogeography
Languages : en
Pages : 92
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Book Description
This volume represents a first attempt at holistically classifying and mapping ecological regions across all three countries of the North American continent. A common analytical methodology is used to examine North American ecology at multiple scales, from large continental ecosystems to subdivisions of these that correlate more detailed physical and biological settings with human activities on two levels of successively smaller units. The volume begins with an overview of North America from an ecological perspective, concepts of ecological regionalization. This is followed by descriptions of the 15 broad ecological regions, including information on physical and biological setting and human activities. The final section presents case studies in applications of the ecological characterization methodology to environmental issues. The appendix includes a list of common and scientific names of selected species characteristic of the ecological regions.
Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 20
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Book Description
Author: Flora North America
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 568
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Book Description
Consists mainly of reprints.
Author: Flora of North America Editorial Committee
Publisher:
ISBN: 0195310713
Category : Science
Languages : en
Pages : 941
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Book Description
FNA presents for the first time, in one published reference source, information on the names, taxonomic relationships, continent-wide distributions, and morphological characteristics of all plants native and naturalized found in North America north of Mexico.
Author: Merriam-Webster, Inc
Publisher: Merriam-Webster
ISBN: 9780877795469
Category : Reference
Languages : en
Pages : 1402
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Book Description
A comprehensive source of geographical, economic, historical, and political information. Over 54,000 entries and 250 maps. Includes information on continents, countries, regions, cities, historical sites, and natural features. Provides pronunciations and variant spellings.
Author: United States. Congress. Senate. Committee on Commerce
Publisher:
ISBN:
Category : Legislative hearings
Languages : en
Pages : 1472
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Book Description
