Results 31 to 40 of about 2,072 (192)

Eobowenia gen. nov. from the early Cretaceous of Patagonia: indication for an early divergence of Bowenia? [PDF]

open access: yes, 2017
Background: Even if they are considered the quintessential "living fossils", the fossil record of the extant genera of the Cycadales is quite poor, and only extends as far back as the Cenozoic.
Coiro, Mario, Pott, Christian
core   +2 more sources

Does Phytogeography Change with Shifts in Geopolitics? The Curious Case of Cycads in the United States

open access: yesDiversity, 2020
The United States is currently home to five native cycad species. We provide a discussion on these five cycad species to illuminate how evolutionary and geopolitical processes influence phytogeography and published checklists of threatened plants.
Benjamin E. Deloso   +2 more
doaj   +1 more source

First molecular phylogenetic insights into the evolution of Eriocaulon (Eriocaulaceae, Poales) [PDF]

open access: yes, 2019
Eriocaulon is a genus of c. 470 aquatic and wetland species of the monocot plant family Eriocaulaceae. It is widely distributed in Africa, Asia and America, with centres of species richness in the tropics.
Barfod, Anders S   +20 more
core   +2 more sources

Nuclear ribosomal ITS functional paralogs resolve the phylogenetic relationships of a late-Miocene radiation cycad Cycas (Cycadaceae). [PDF]

open access: yesPLoS ONE, 2015
Cycas is the most widespread and diverse genus among the ancient cycads, but the extant species could be the product of late Miocene rapid radiations.
Long-Qian Xiao, Michael Möller
doaj   +1 more source

Cn-AMP2 from green coconut water is an anionic anticancer peptide [PDF]

open access: yes, 2014
Globally, death due to cancers is likely to rise to over 20 million by 2030,which has created an urgent need for novel approaches to anticancer therapies such as the development of host defence peptides.
Al-Benna   +56 more
core   +1 more source

First record of Crypticerya zeteki (Cockerell, 1914) (Monophlebidae) in Brazil and Maconellicoccus hirsutus (Green, 1908) (Pseudococcidae) in the state of Maranhão

open access: yesBrazilian Journal of Biology, 2017
Crypticerya zeteki (Cockerell, 1914) (Hemiptera: Coccomorpha: Monophlebidae) is recorded for the first time from Brazil and Maconellicoccus hirsutus (Green, 1908) (Hemiptera: Coccomorpha: Pseudococcidae) is recorded for the first time from the state of ...
A. S. J. C. Ramos   +3 more
doaj   +1 more source

The complete chloroplast genome of Microcycas calocoma (Miq.) A. DC. (Zamiaceae, Cycadales) and evolution in Cycadales [PDF]

open access: yesPeerJ, 2020
Cycadales is an extant group of seed plants occurring in subtropical and tropical regions comprising putatively three families and 10 genera. At least one complete plastid genome sequence has been reported for all of the 10 genera except Microcycas ...
Aimee Caye G. Chang   +7 more
doaj   +2 more sources

Hydrophobia of gymnosperms: myth or reality? A global analysis [PDF]

open access: yes, 2014
According to the classical textbooks, the gymnosperms are the only seed plants without aquatic species. Recently, however, a set of virtually complete compilations on gymnosperms has been published, enabling a new evaluation of the putative hydrophobia ...
Ashraf   +47 more
core   +2 more sources

Pest categorisation of <i>Selenaspidus articulatus</i>. [PDF]

open access: yesEFSA J
Abstract Following the commodity risk assessment of Jasminum polyanthum unrooted cuttings from Uganda, in which Selenaspidus articulatus (Hemiptera: Diaspididae) was identified as a pest of possible concern, the European Commission requested the EFSA Panel on Plant Health to conduct a pest categorisation of S.
EFSA Panel on Plant Health (PLH)   +27 more
europepmc   +2 more sources

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