Results 161 to 170 of about 39,574 (242)

Uncertainty in the timing of diversification of flowering plants rests with equivocal interpretation of their fossil record. [PDF]

R Soc Open Sci
Clark JW, Donoghue PCJ.
europepmc   +1 more source

Late Miocene speleothems show significant warming, temperate vegetation, and wildfires in Arctic Siberia. [PDF]

Sci Rep
Umbo S, Panitz S, Homann J, McCoy J, Pound M, Opel T, Lechleitner F, Vaks A, Osintzev A, Adrian I, Kononov A, Breitenbach SFM.   +11 more
europepmc   +1 more source

Ultrastructural Analysis of <i>Pseudanthus</i> (Picrodendraceae) Pollen Using Transmission Electron Microscopy: Intraspecific, Interspecific, Intrafamilial, and Interfamilial Comparisons. [PDF]

Plants (Basel)
Till A, Ulrich S, Cantrill DJ, Grímsson F.   +3 more
europepmc   +1 more source

Barremian tricolpate pollen from Portugal-New evidence for the age of eudicot-related angiosperms. [PDF]

Proc Natl Acad Sci U S A
Gravendyck J, Krencker FN, Riding JB, Coimbra R, Heimhofer U.   +4 more
europepmc   +1 more source

PlaceMyFossils: An Integrative Approach to Analyze and Visualize the Phylogenetic Placement of Fossils Using Backbone Trees. [PDF]

Syst Biol
Catalano SA, Escapa I, Pugh KD, Hammond AS, Goloboff P, Almécija S.   +5 more
europepmc   +1 more source

Morphology of the midgut and hindgut and pollen-feeding ecology of Eulasia arctos anatolica (Reitter, 1903) (Coleoptera: Glaphyridae). [PDF]

BMC Zool
Ersoy DE, Özyurt Koçakoğlu N, Arslan H, Candan S.   +3 more
europepmc   +1 more source

Ecological legacies and recent footprints of the Amazon's Lost City. [PDF]

Nat Commun
Bush MB, Sales RK, Neill D, Valencia BG, León-Yánez S, Stanley A, Sinkler W, Bennett I, Gomes BT, Land K, McMichael CNH.   +10 more
europepmc   +1 more source

Diverse Mesozoic thrips carrying pollen during the gymnosperm-to-angiosperm plant-host ecological shift. [PDF]

iScience
Peñalver E, Peña-Kairath C, Barrón E, Nel P, Nel A, Delclòs X, Peris D, Solórzano-Kraemer MM, Rodrigo A.   +8 more
europepmc   +1 more source

Pollen assemblages and distribution characteristics in surface sediments of karst caves on the Guizhou Plateau, southwestern China. [PDF]

PLoS One
Tang L, Liu G, Xu C, Wang Q, Li S, Fan Y, Zhao X.   +6 more
europepmc   +1 more source

Past aridity and dust drove biodiversity crises and altered pollination in the ancient gymnosperm Ephedra (Gnetales). [PDF]

Biol Rev Camb Philos Soc
Barbolini N, Meijer N, Hoorn C, Dupont-Nivet G, Han F, Krüger A, Yuan Q, Rohrmann A, Bolinder K, Rydin C.   +9 more
europepmc   +1 more source