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Tropical herbivorous insects are astonishingly diverse, and many are highly host-specific. Much evidence suggests that herbivorous insect diversity is a function of host plant diversity; yet, the… (More)
Este estudo traz novos dados sobre o conhecimento de Cucurbitaceae no Brasil fornecendo descricoes, chaves de identificacao, ilustracoes e comentarios sobre as especies da familia que ocorrem na… (More)
Resumo Cucurbitaceae e predominantemente tropical e subtropical compreendendo cerca de 950 especies. E uma familia de grande importância na economia mundial devido as especies utilizadas na… (More)
During analysis of herbarium collections for a taxonomic review of the Brazilian species of Gurania from the Atlantic forest, one new species was discovered. The new species is known only from the… (More)
BackgroundMuch evolutionary theory predicts that diversity arises via both adaptive radiation (diversification driven by selection against niche-overlap within communities) and divergence of… (More)
During the analysis of European and American herbaria collections for a taxonomic review of the Brazilian species of Gurania , two new South American species were found. Gurania jeffreyi occurs in… (More)