Results 41 to 50 of about 1,356 (170)

Blechnum rosulatum (Blechnaceae, Polypodiopsida), a new species of fern from Tocantins, Brazil [PDF]

open access: yesActa Botânica Brasílica
We describe a new species of Blechnum from Tocantins, Brazil: Blechnum rosulatum sp. nov. (Blechnaceae). Information about its geographical distribution, habitat, phylogenetic placement and comments on conservation status are given, as well as an updated
Bianca Schindler   +5 more
doaj   +1 more source

Complete plastome of an endemic fern species from China: Neocheiropteris palmatopedata (Polypodiaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2019
Neocheiropteris palmatopedata (Baker) Christ is an endangered fern species endemic to southwest China. In this study, we sequenced the complete plastid genome of N. palmatopedata. The gene order and structure of the N.
Xin-Yu Du   +3 more
doaj   +1 more source

Elaphoglossum discolor (Kuhn) C.Chr. (Dryopteridaceae, Polypodiales, Monilophyta): first record for the state of Mato Grosso do Sul, Brazil [PDF]

open access: yesCheck List, 2015
Elaphoglossum discolor was recently discovered and collected on the Urucum plateau of the Brazilian state of Mato Grosso do Sul, lying in the western outskirts of the Pantanal flood plain. This is the southernmost distribution of E. discolor in Brazil.
Carlos Lehn, Elton Assis, Danilo Neves
doaj   +3 more sources

Systematics and Chatacteristics [PDF]

open access: yes, 2016
The "Tracheophyte Phylogeny Poster – Vascular Plants - Systematics and Characteristics" is an educational tool presenting an overview of the evolutionary relationships among non-flowering vascular plants (lycophytes, monilophytes, and gymnosperms ...
Cole, Theodor C.H., Hilger, Hartmut H.
core   +1 more source

Phylogenie und Systematik der Gefäßpflanzen [PDF]

open access: yes, 2016
Das Lehr- und Lernposter „Stammbaum der Tracheophyten – Phylogenie und Systematik der Gefäßpflanzen“ gibt einen Überblick a) über die Phylogenie (Stammesgeschichte) der „Farnverwandten“ (Lycophyten und Monilophyten, die „Farne“) bis zu den Familien ...
Cole, Theodor C.H., Hilger, Hartmut H.
core   +1 more source

Mesozoic phytoclast records in the Sriperumbudur (Palar Basin), Kota (Chintalapudi Sub-Basin) and Dubrajpur (Rajmahal Basin) formations, India

open access: yesGeologia USP. Série Científica, 2016
The studies of fossil plant cuticles in palynological samples recovered from three cored boreholes located in the Indian states of Andhra Pradesh (Kota/Gangapur Formation, Chintalapudi Sub-basin, Godavari Graben, Jurassic–Cretaceous), Tamil Nadu ...
Sarah Gonçalves Duarte   +5 more
doaj   +1 more source

Keanekaragaman Parasitoid Dan Artropoda Predator Pada Pertanaman Kelapa Sawit Dan Padi Sawah Di Cindali, Kabupaten Bogor [PDF]

open access: yes, 2016
Diversity of parasitoid and predator arthropod in oil palm and paddy field at Cindali, Bogor Regency. Biodiversity can be defined as the diversity of living things in various places to the riches on earth. Insects as one of the components of biodiversity
Maryana, N. (Nina)   +2 more
core   +3 more sources

Primer registro de un estípite de Coryphoideae: Palmoxylon kikaapoa de la Formación Olmos del Cretácico Superior, Coahuila, México

open access: yesRevista Mexicana de Biodiversidad, 2015
En sedimentos de la Formación Olmos del Cretácico Tardío (Campaniano superior) se ha recolectado una flora diversa representada por flores, frutos, hojas y maderas de angiospermas, gimnospermas y polypodiales, que documenta una flora de tipo paratropical.
B. Alejandra Sainz-Resendiz   +3 more
doaj   +1 more source

Endocidal Regulation of Secondary Metabolites in the Producing Organisms [PDF]

open access: yes, 2016
Secondary metabolites are defined as organic compounds that are not directly involved in the normal growth, development, and reproduction of an organism.
Bullard, Steven H   +4 more
core   +2 more sources

The Franks Model CO2 Proxy: Do Assimilation Rate Values or Isotopic Corrections Optimize CO2 Reconstruction Accuracy?

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 4, April 2026.
Abstract Paleo‐CO2 proxies are crucial for reconstructing past atmospheric CO2 variations and understanding their impact on Earth's climate, especially in light of anthropogenic climate change. The mechanistic leaf gas exchange model of Franks et al.
H. Morck   +3 more
wiley   +1 more source

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