Results 31 to 40 of about 2,687 (208)

The Hoanh Bo Trough‐a landward keyhole to the syn‐rift Late Eocene–Early Oligocene terrestrial succession of the northern Song Hong Basin (onshore north‐east Vietnam)

open access: yesGeological Journal, Volume 57, Issue 10, Page 4216-4241, October 2022., 2022
The sedimentary pattern and interpretation of the Hoanh Bo Trough evolution match well with the rift initiation, rift development, and rift termination tectonic system tracts of the South China Sea and could be treated as a landward keyhole for the offshore basins of the northern Song Hong Basin.
Anna Wysocka   +10 more
wiley   +1 more source

Antheridiogen controls spatial dynamics of sex expression in naturally occurring gametophytes of the tree fern Cyathea multiflora

open access: yesAmerican Journal of Botany, Volume 109, Issue 8, Page 1313-1325, August 2022., 2022
Abstract Premise Antheridiogen systems are a set of pheromonal mechanisms that control sex expression in fern gametophytes. However, antheridiogen has rarely been studied outside of the laboratory, and little is known about its function in natural settings.
Aidan D. Harrington   +2 more
wiley   +1 more source

Botanical inhibitors of SARS-CoV-2 viral entry: a phylogenetic perspective. [PDF]

open access: yesSci Rep, 2023
Throughout the SARS-CoV-2 pandemic, the use of botanical dietary supplements in the United States has increased, yet their safety and efficacy against COVID-19 remains underexplored.
Risener CJ   +11 more
europepmc   +2 more sources

Pest categorisation of Pulvinaria psidii

open access: yesEFSA Journal, Volume 20, Issue 8, August 2022., 2022
Abstract The EFSA Panel on Plant Health performed a pest categorisation of Pulvinaria psidii (Hemiptera: Coccidae), the green shield scale, for the EU. P. psidii was originally described from Hawaii on Psidium sp. and it is now established in many countries in tropical and subtropical regions of the world. Within the EU, the pest has been reported from
EFSA Panel on Plant Health (PLH)   +26 more
wiley   +1 more source

A linear sequence of extant families and genera of lycophytes and ferns [PDF]

open access: yes, 2011
Throughout the history of the classification of extant ferns (monilophytes) and lycophytes, familial and generic concepts have been in great flux. For the organisation of lycophytes and ferns in herbaria, books, checklists, indices and spore banks and on
Christenhusz, Maarten   +2 more
core   +2 more sources

Further evidence for the hybrid status of the Brazilian native fern Hypolepis ×paulistana (Dennstaedtiaceae) [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2022
Hypolepis ×paulistana was described in 2016 as a putative hybrid, known from a single gathering. The hybrid status of these plants was based solely on the intermediate morphology of the sporophyte, when compared to its presumed parent species. These were
AGUSTINA YAÑEZ   +2 more
doaj   +1 more source

Pteridófitas da Mata do Estado, município de São Vicente Férrer, estado de Pernambuco, Brasil: Cyatheaceae, Dennstaedtiaceae

open access: yesRevista de Biologia Neotropical, 2007
O presente trabalho trata da pteridoflora da Mata do Estado, localizada no município de São Vicente Férrer, Zona da Mata norte do estado de Pernambuco.
Marcio Roberto Pietrobom   +1 more
doaj   +1 more source

Beware my spines: a new spiny fern (Dennstaedtia, Dennstaedtiaceae) from central and western Amazonia [PDF]

open access: yesActa Amazonica, 2022
A new spiny fern belonging to the genus Dennstaedtia is described from Brazilian and Peruvian Amazonia. Dennstaedtia aculeata (sp. nov.) is the third spiny species known for the genus, and the first in South America.
Nelson Túlio Lage PENA   +2 more
doaj   +1 more source

In vitro anti-cholinesterase and anti-oxidant activity of three standardised polyherbal products used for memory enhancing in ethnomedicine of South-East Nigeria [PDF]

open access: yes, 2018
Background: Polyherbal standardised extracts used in ethnomedicine of Eastern Nigeria for memory improvements were evaluated for anti-cholinesterases and anti-oxidant properties.
Carter, Wayne   +2 more
core   +2 more sources

Dennstaedtiaceae

open access: yes, 2012
Published as part of Masharabu, Tatien, Bigendako, Marie Josée, Nzigidahera, Benoît, Mpawenayo, Balthazar, Lejoly, Jean, Bangirinama, Frédéric & Bogaert, Jan, 2012, Vascular flora inventory and plant diversity of the Ruvubu National Park, Burundi, pp.
Masharabu, Tatien   +6 more
openaire   +2 more sources

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