Author: Botanical Society of the British Isles
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 464

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Author: Franklyn Perring
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 176

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description

Author: Christopher David Preston
Publisher:
ISBN: 9780198510673
Category : Botany
Languages : en
Pages : 910

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description

Author: B. Hartley
Publisher: Balogh Scientific Books
ISBN:
Category : Medical
Languages : en
Pages : 666

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: John Poland
Publisher:
ISBN: 9780956014429
Category : Plants
Languages : en
Pages : 556

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Book Description
Following rigorous testing throughout Britain and Ireland over the last 10 years, this second edition is a much revised version with re-written keys, additional species, phenology and, of course, many new novel identification characters. A few new illustrations have been added where space allows. In addition, the nomenclature has been updated in line with modern taxonomy. Each key has been carefully reviewed and revamped so this version aims to be quicker and more comprehensive in detail than its predecessor, greatly improving on the original work. Additional floral and fruiting characters have been added for some of the more difficult species making it more handy for casual field use.

Author: Clive A. Stace
Publisher:
ISBN: 9780901158482
Category : Botany
Languages : en
Pages : 0

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Book Description
Vascular plant hybrids are numerous and constitute an important feature of our vegetation, but all too often they have been neglected by botanists. Some hybrids between native species are rare, sterile and ephemeral, but others reproduce vegetatively or by seed and have spread beyond the areas where their parents coexist. In addition, numerous hybrids have escaped from gardens to become established in the wild. Interspecific hybridisation is particularly significant as it represents a major evolutionary pathway in flowering plants; frequently it alters the characteristics of both native and alien taxa and it generates new species. The hybrid flora of the British Isles has been studied in more detail than that of any other region, and it therefore provides an ideal opportunity to study the occurrence of hybrids in wild vegetation. This book provides detailed accounts of the 909 hybrids reliably recorded in the wild in the British Isles. Of particular interest to BSBI members are the comprehensive identification notes, including a summary of the differences from the parents, enabling naming and recording of hybrids to a degree not attainable previously. The habitats of the hybrids are outlined and detailed accounts of their distributions provided, with notes on the discovery of many hybrids. There are 388 novel maps illustrating the records of the commoner hybrids in relation to those of their parents. Known chromosome numbers are given for each hybrid and its parents, and information is provided on the hybrid's fertility/sterility and its capacity for vegetative reproduction. Experimental and molecular studies of the hybrids in the British Isles and elsewhere in their ranges are summarised. Briefer notes are given on a further 156 hybrids, including some which are erroneously or doubtfully recorded and others which might potentially occur as escapes from cultivation.

Author:
Publisher: BRILL
ISBN: 9004630724
Category : Science
Languages : en
Pages : 351

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Book Description
The 10-km square dot-distribution maps, based on 30 years’ recording by members of the British Bryological Society, were produced at the Biological Records Centre, ITE, Monks Wood. Each species’ map is accompanied by notes on its habitat, reproductive biology and overseas distribution, and additional maps are included to illustrate various factors affecting distribution. Each volume contains an introductory chapter and concludes with a bibliography and index to species.