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Barthlott etal 2015 Schumannia7 BiogeographyCactaceaeFlyer

Authors:
The Cactaceae with c. 1435 species are the most important
plant family of the arid regions of the Americas. Recent revi-
sions and molecular studies resulted in an improved
knowledge of the phylogeny and taxonomy of this group. Due
to their high value as ornamental plants, countless publications
with data on ecological preferences and geographic occurrence
of the species are available. In this volume, the distribution ar-
eas of all cactus species are mapped. On this basis, we identi-
fied and characterized seven geographical centers of cactus
diversity. Overall diversity patterns of the family, as well as, di-
versity patterns of all taxonomic subgroups, growth forms, and
pollination syndromes are presented and mapped on the phy-
logeny of the Cactaceae. More than 50% of the species have
extremely small distribution ranges, resulting in potential
threat and insufficient coverage by existing protected areas.
This volume presents the most comprehensive biogeographical
analysis of one of the larger plant families.
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ARTHLOTT
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J. (2015): B
7. 205 pag
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x 29.7 cm
1437-2517.
Cactaceae:
Generic diversity (128
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Genera per 2500 km†
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3 - 4
5 - 6
7 - 8
9 - 12
13 - 15
16 - 18
19 - 22
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