Results 21 to 30 of about 489 (165)

Pollen Morphology of Selected Endemic Eudicots From the FLORAS Botanical Garden, Southern Bahia, Brazil [PDF]

open access: yesMicroscopy Research and Technique, Volume 88, Issue 11, Page 2967-2976, November 2025.
This study describes the pollen morphology of twelve endemic species from the Atlantic Forest, revealing subtle morphopollinic variations. Diagnostic characters such as pollen shape, exine ornamentation, and amb type highlight the region's floristic diversity, providing valuable insights into the ecological and conservation significance of Brazil's ...
Agatha Carvalho Pinto   +6 more
wiley   +2 more sources

Erratum

open access: yesPaubrasilia
Este erratum corrige: 10.33447/paubrasilia.2023 ...
Revista Paubrasilia
doaj   +3 more sources

“Touch&Play” Wood Typification by the MasSpec Pen [PDF]

open access: yesJournal of Mass Spectrometry, Volume 60, Issue 6, June 2025.
ABSTRACT We have investigated the ability of a MasSpec Pen (MSPen) “three‐in‐one” (extraction, transfer, and ionization) device coupled to a mass spectrometer to provide instantaneous chemical profiles that could promptly characterize wood samples from the mahogany (Meliaceae) family.
Adriano Reis   +7 more
wiley   +2 more sources

Contribuições do YouTube para o ensino de briófitas

open access: yesPaubrasilia, 2022
Conteúdos sobre Botânica têm sido trabalhados em diversas mídias, especialmente em videoaulas disponibilizadas no YouTube. Estas buscam tornar o conhecimento na área mais atrativo, além de motivar e auxiliar os estudantes no processo de ensino.
Fabiano Santos Dantas   +1 more
doaj   +3 more sources

Flora da Restinga da Praia do Sossego, Niterói, RJ

open access: yesPaubrasilia
    A Praia do Sossego, localizada em Niterói-RJ, foi considerada Monumento Natural em 2002. Este estudo inventaria a flora e descreve as fitofisionomias deste que é o último remanescente de restinga do município. As expedições, realizadas em 2009 e
Marcelo Guerra Santos   +3 more
doaj   +3 more sources

New records of Orchidaceae for the Northeast of Brazil

open access: yesPaubrasilia, 2022
The new occurrences of nine species of Orchidaceae belonging to six genera: Acianthera Scheidw. (2 spp.), Bifrenaria Lindl. (1 sp.), Grandiphyllum Docha Neto (1 sp.), Maxillaria Ruiz & Pav.
Mateus Gonçalves Santos   +1 more
doaj   +3 more sources

Expediente

open access: yesPaubrasilia, 2018
Revista Paubrasilia
doaj   +3 more sources

Influência do solo sobre a riqueza e composição em gradiente fitofisionômico de Restinga no Sudeste do Brasil

open access: yesPaubrasilia
O estudo investigou a influência de variáveis edáficas sobre a riqueza e composição de espécies em três fitofisionomias de Restinga no Parque Natural Municipal de Jacarenema, Vila Velha, Espírito Santo, Brasil.
Thaísa Rodrigues da Silva   +2 more
doaj   +3 more sources

Xylopia ochrantha essential oil against the peanut beetle

open access: yesPaubrasilia
Ulomoides dermestoides is a cosmopolitan pest of various types of stored grain, causing significant economic and food losses. Plants are important sources of bioactive substances and, as such, are targets for the development of new pesticides.
Valeria Costa Rocha Viana   +6 more
doaj   +3 more sources

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