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Plant communities on ironstone outcrops: a diverse and endangered Brazilian ecosystem

Mountain areas are recognized centres of endemism and diversity on account of their isolation and altitudinal diversity. In tropical regions, mountain tops usually stand as islands of xeric…
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Amazon plant diversity revealed by a taxonomically verified species list

A comprehensive dataset of Amazonian seed plant species from published sources that includes falsifiable data based on voucher specimens identified by taxonomic specialists is assembled, providing a valid starting point for macroecological and evolutionary studies aimed at understanding the origin, evolution, and ecology of the exceptional biodiversity ofAmazonian forests.
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New Brazilian Floristic List Highlights Conservation Challenges

Although the total number of known species in Brazil is one-third lower than previous estimates, the absolute number of endemic vascular plant species is higher than was previously estimated, and the proportion of endemism is the highest in the Neotropics.
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An analysis of new angiosperm species discoveries in Brazil (1990-2006).

It is concluded that reaching an adequate knowledge of the Brazilian flora is a goal that can only be achieved through intensive investment in improving scientific collections and training human resources.
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Biodiversity conservation gaps in the Brazilian protected areas

The results show that the knowledge on biodiversity in most Brazilian PAs remain scant as 71% of PAs have less than 0.01 species records per km2, and the current PA network fails to protect the majority of endemic species.
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Diversity and natural hybridization in a highly endemic species of Petunia (Solanaceae): a molecular and ecological analysis

In towers where this species is sympatric with the sphingophilous Petunia axillaris, phylogenetically close to P. exserta, the authors found plants with intermediate floral morphology, suggesting hybridization between them, corroborating the hybridization hypothesis.
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Distribution and Endemism of Angiosperms in the Atlantic Forest

This work represents the first large scale initiative to map endemic plant species in the Atlantic Forest and an extensive species database was created, which will be available to conservation decision makers and research institutions in Brazil.
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Challenges and perspectives for species distribution modelling in the neotropics

The workshop ‘Species distribution models: applications, challenges and perspectives’ held at Belo Horizonte (Brazil), 29–30 August 2011, aimed to review the state-of-the-art in species distribution…
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The strong influence of collection bias on biodiversity knowledge shortfalls of Brazilian terrestrial biodiversity

The knowledge on species richness, species composition and endemism in the Brazilian biodiversity is strongly biased spatially, and despite differences in sampling effort for each taxonomic group, roadside bias affected them equally.
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The Genus Petunia

The common garden petunia, Petunia hybrida, is derived from P. integrifolia and P. axillaris, two of many Petunia species endemic to South America. The geographic distribution includes temperate and…
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