Results 1 to 10 of about 362 (94)

Recent advances on phylogenomics of gymnosperms and a new classification [PDF]

open access: yesPlant Diversity, 2022
Living gymnosperms comprise four major groups: cycads, Ginkgo, conifers, and gnetophytes. Relationships among/within these lineages have not been fully resolved.
Yong Yang   +8 more
doaj   +3 more sources

The evolutionary history of the ancient weevil family Belidae (Coleoptera: Curculionoidea) reveals the marks of Gondwana breakup and major floristic turnovers, including the rise of angiosperms [PDF]

open access: yeseLife
The rise of angiosperms to ecological dominance and the breakup of Gondwana during the Mesozoic marked major transitions in the evolutionary history of insect-plant interactions.
Xuankun Li   +11 more
doaj   +3 more sources

The value of research to selling the conservation of threatened species: the case of Cycas micronesica (Cycadopsida: Cycadales: Cycadaceae)

open access: yesJournal of Threatened Taxa, 2014
A case study is described wherein strong focus on research during the developing threats that caused the elevation of Cycas micronesica from Near Threatened to Endangered status illustrates how targeted research results may be used to aid in conservation
Thomas E. Marler, Anders J. Lindström
doaj   +3 more sources

Pterophyllum (Cycadopsida) from Carnian beds in Poljane valley (Slovenia)

open access: yesGeologija, 2001
Johanna H.A. van Konjinenburg-van Cittert   +2 more
doaj   +5 more sources

Peculiarities of the reproductive processes in the gymnosperms. Gametophytes’ development, pollination and fertilization

open access: yesБіологічні студії, 2013
The review contains the analysis of the latest literature sourses reproductive processes in gymnosperms, namely gametophytes development, рollination, fertilization.
A. Odintsova, A. Rugusova
doaj   +2 more sources

Palynostratigraphy and Palaeoecology of the Shishtu Formation, Kuh-e-Tir, northwestern Kerman [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2017
Introduction The triangular-shaped central Iran Microcontinent, being located almost in the middle of Iran, is bounded on the north and south by the Alborz Ranges and Makran Zone, respectively.
hossein hashemi   +2 more
doaj   +1 more source

Novel findings of late Cenomanian-Turonian Pachyophiid snakes, fishes and plants in the SE Bosnia-Herzegovina [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2022
New fossils from the Late Cenomanian-Turonian locality in the Bileća area are reported. The fossils include a diverse assemblage of snakelike reptile remains, fishes and plants.
Đurić Dragana   +5 more
doaj   +1 more source

The Jurassic fossil wood diversity from western Liaoning, NE China

open access: yesJournal of Palaeogeography, 2019
Western Liaoning is a unique region in China that bears diverse types of Jurassic plants, including leaves, fern rhizomes, and wood, providing significant proxy for vegetation and palaeoenvironment reconstruction of the well-known Yanliao Flora in East ...
Zi-Kun Jiang   +6 more
doaj   +1 more source

The Rhythms Of Seasonal Development Of Representatives Of Cycadopsida In Conditions Of Nbs Nasu Greenhouse

open access: yes, 2015
In this article the results of observations on the rhythms of seasonal development of Cycadopsida representatives from the collection of M.M. Grishko National botanical garden NAS of Ukraine are represented. The information about climatic conditions in natural habitats for all studied species is given.
Gaidarzhy O., Ivannikov R.
openaire   +2 more sources

LA FLORA TRIÁSICA DEL GRUPO EL TRANQUILO, PROVINCIA DE SANTA CRUZ, PATAGONIA. PARTE VII: CYCADOPHYTA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2010
Plants impressions of the Cycadopsida (sensu lato) from the Upper Triassic El Tranquilo Group are described. This plant group is limited to the genus Pseudoctenis and Pterophyllum and comprises: Pseudoctenis fissa Du Toit, Pseudoctenis spatulata Du Toit ...
Silvia Gnaedinger
doaj  

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