The discovery of Scaphyglottis punctulata (Laeliinae) in the highlands of Brazilian Amazonia with a key to the species of the region

Here, we report new records of Scaphyglottis punctulata in two regions of the Brazil portion of the Guiana Shield.

A review of Neotropical Burseraceae

This review of Neotropical Burseraceae emphasizes developments since the last major review of the family in 2011.

Certification of açaí agroforestry increases the conservation potential of the Amazonian tree flora

The harvesting of açaí berries (palm fruits from the genus Euterpe ) in Amazonia has increased over the last 20 years due to a high local and global market demand and triggered by their widely acclaimed health benefits as a ‘superfood’

Environmental filters and biotic interactions drive species richness and composition in ecotone forests of the northern Brazilian Amazonia

The aim of this study was to determine the response of species richness and composition to environmental filters, and analyze the role of P. gracilipes in structuring tree communities in ecotone forest areas of the Northern Brazilian Amazonia.

Using near-infrared spectroscopy to discriminate closely related species: A case study of neotropical ferns

Here we tested the accuracy of FT-NIR at discriminating species of the genus Microgramma.

Amazon tree dominance across forest strata

Here, we use a large floristic dataset to show that, while hyperdominance is a universal phenomenon across forest strata, different species dominate the forest understory, midstory and canopy.

Curso básico de introdução à linguagem R

Nossa meta é prover uma introdução básica da linguagem de programação R, que é extremamente poderosa para manipulação de dados, análises estatísticas, produção de gráficos e de documentos dinâmicos, e cujo domínio oferece um grande ganho de produtividade a todo cientista e facilita o entendimento de métodos analíticos. Ressaltamos que isto não é um curso de estatística.

Delimitação específica e filogeografia do complexo 𝘗𝘳𝘰𝘵𝘪𝘶𝘮 𝘢𝘳𝘢𝘤𝘰𝘶𝘤𝘩𝘪𝘯𝘪 (Aubl.) Marchand (Burseraceae)

Este trabalho apresenta o resultado de uma investigação integrativa utilizando dados moleculares, espectrais e morfológicos com o objetivo de reconstruir a história filogeográfica do complexo Protium aracouchini.

Using near-infrared spectroscopy to discriminate closely related species: A case study of neotropical ferns

Here we tested the accuracy of FT-NIR at discriminating species of the genus Microgramma.

A new species of Protium (Burseraceae) from the Pacific Coast of Costa Rica

Protium santamariae is described and illustrated.

Floristic composition in ecotone forests in northern Brazilian Amazonia: preliminary data

Our dataset provides complementary floristic and structure information on tree and palm in Maracá, improving our knowledge of this Amazonian ecotone forest.

Notes on morphology and distribution of Acmanthera (Adr. Juss.) Griseb. (Malpighiaceae), an endemic genus from Brazil

Amended description of the species Acmanthera minima and A. parviflora; a key to all species of the genus Acmanthera; new records and range extension for Acmanthera latifolia and A. minima.

New record and emended description of a rare white-sand Amazonian species: Schoepfia clarkii (Schoepfiaceae)

New records for Schoepfia clarkii collected from the lower Negro River basin in Brazil.

Tree species composition in ecotone forests on Maracá Island, Roraima, northern Brazilian Amazonia: preliminary data

Forest inventory carried out in the research grid of the Research Program on Biodiversity (PPBio) located in the eastern Maracá Island, Roraima, northern Brazilian Amazonia.

Volatile monoterpene ‘fingerprints’ of resinous 𝘗𝘳𝘰𝘵𝘪𝘶𝘮 tree species in the Amazon Rainforest

Monoterpene ‘fingerprint’ database has important implications for constraining Protium species identification and phylogenetic relationships.

Brazilian Flora 2020: Innovation and collaboration to meet Target 1 of the Global Strategy for Plant Conservation (GSPC)

To meet the GSPC goals of Target 1 and facilitate access to plant diversity, Brazil committed to preparing the List of Species of the Brazilian Flora (2008-2015) and the Brazilian Flora 2020 (2016-present).

A new species of Macrolobium (Fabaceae, Detarioideae) endemic on a Tepui of the Guyana shield in Brazil

Macrolobium aracaense (Fabaceae), a new endemic treelet species from Brazil, is here described and illustrated.

Structure and tree species composition in different habitats of savanna used by indigenous people in the Northern Brazilian Amazon

Tree inventory was carried out in four different habitats used by indigenous people living in the savanna areas of the Northern Brazilian Amazon.

Novas ocorrências de angiospermas para o estado de Roraima, Brasil

This work reports new records of angiosperms to Roraima from two conservation units in the southwest of the state, the Serra da Mocidade National Park and Niquiá Ecological Station.

Decomposition rates of coarse woody debris in undisturbed Amazonian seasonally flooded and unflooded forests in the Rio Negro-Rio Branco Basin in Roraima, Brazil

The aim of this study was to estimate the decomposition rate of coarse woody debris (CWD) in two oligotrophic undisturbed forest formations of the northern Brazilian Amazon: seasonally flooded and unflooded.

Rediscovery of 𝘗𝘪𝘭𝘰𝘴𝘰𝘤𝘦𝘳𝘦𝘶𝘴 𝘰𝘭𝘪𝘨𝘰𝘭𝘦𝘱𝘴𝘪𝘴 (Cactaceae) in the state of Roraima, Brazil

Populations of P. oligolepis were found in two previously unknown areas, occurring on granitic rock outcrops inside a vegetation mosaic of seasonal forests and savannas.

Flora da Bahia: Clethraceae

The floristic account of the Clethraceae from Bahia State, Brazil, is presented.

Growing knowledge: an overview of Seed Plant diversity in Brazil

An updated inventory of Brazilian seed plants is presented and offers important insights into the country’s biodiversity.

Sapindaceae em remanescentes de florestas montanas no sul da Bahia, Brasil

This work presents the taxonomic study of Sapindaceae from three areas of montane forest remnants in southern Bahia, Brazil.

As unidades de conservação e a preservação da diversidade biológica

Citação Perdiz RO (2014). “As Unidades de Conservação e a preservação da diversidade biológica.” In Flores AS, Rodrigues RS (eds.), Ensinando botânica nas florestas no sul do Estado de Roraima, 45–-48. UERR edicões, Boa Vista. ISBN 9788561924065. Formato .bib: @InCollection{Perdiz2014, author = {Ricardo Oliveira Perdiz}, title = {As Unidades de Conservação e a preservação da diversidade biológica}, booktitle = {Ensinando botânica nas florestas no sul do Estado de Roraima}, publisher = {UERR edicões}, year = {2014}, editor = {Andréia Silva Flores and Rodrigo Schütz Rodrigues}, pages = {45–-48}, address = {Boa Vista}, isbn = {9788561924065}, }

Tratamento taxonômico de Meliaceae para a Flora de Morro do Chapéu, volume 1

Citação Perdiz RO, Queiroz LP (2013). “Meliaceae.” In França F, Melo E, Souza I, Pugliesi L (eds.), Flora de Morro do Chapéu, volume 1, 172–-174. Universidade Estadual de Feira de Santana, Feira de Santana. ISBN 9788562465123. Formato .bib: @InCollection{PerdizPaganucci2013, author = {Ricardo Oliveira Perdiz and Luciano Paganucci Queiroz}, title = {Meliaceae}, booktitle = {Flora de Morro do Chapéu}, publisher = {Universidade Estadual de Feira de Santana}, year = {2013}, editor = {Flávio França and Efigênia Melo and Isys Souza and Lara Pugliesi}, volume = {1}, pages = {172–-174}, address = {Feira de Santana}, isbn = {9788562465123}, }

Flora da Bahia: Caryocaraceae

The floristic survey of the Caryocaraceae from Bahia State, Brazil, is presented.

Paullinia unifoliolata, a remarkable new species of Sapindaceae from the Atlantic Forest of southern Bahia, Brazil

A new species of Paullinia from the Atlantic Forest of southern Bahia, Brazil, is described and illustrated.

Sapindaceae em remanescentes de floresta montana no sul da Bahia, Brasil

Resumo Este trabalho apresenta um tratamento taxonômico de Sapindaceae em remanescentes de florestas montanas do sul da Bahia, Brasil. O objetivo principal foi realizar o levantamento de Sapindaceae em três remanescentes de floresta montana na região sul do estado da Bahia. O primeiro capítulo apresenta uma visão geral da morfologia do grupo, baseada nas espécies amostradas no estudo florístico. O segundo capítulo trata da descrição de uma nova espécie (Paullinia unifoliolata) encontrada neste inventário.

Angiospermas em remanescentes de floresta montana no sul da Bahia, Brasil

These results confirm the high species diversity of angiosperms in southern Bahia and demonstrate for the first time the presence of species characteristic of montane regions of southeastern Brazil in this region.