Results 1 to 10 of about 362 (94)
Recent advances on phylogenomics of gymnosperms and a new classification [PDF]
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
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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]
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
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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
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Pterophyllum (Cycadopsida) from Carnian beds in Poljane valley (Slovenia)
Johanna H.A. van Konjinenburg-van Cittert +2 more
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The review contains the analysis of the latest literature sourses reproductive processes in gymnosperms, namely gametophytes development, рollination, fertilization.
A. Odintsova, A. Rugusova
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Palynostratigraphy and Palaeoecology of the Shishtu Formation, Kuh-e-Tir, northwestern Kerman [PDF]
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
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Novel findings of late Cenomanian-Turonian Pachyophiid snakes, fishes and plants in the SE Bosnia-Herzegovina [PDF]
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
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The Jurassic fossil wood diversity from western Liaoning, NE China
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
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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
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
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