Results 61 to 70 of about 919 (141)

Plant Macrofossils from the Takht Coal Mine, Minoodasht and its Dating, Relative abundance and Sørensen index in comparison with the other Florizones in Iran and Eurasia

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2015
Takht mine, SE Minoodasht contains well-preserved plant macrofossils belonging to 27 species allocated to 22 genera of various orders viz., Equisetales, Osmundales, Filicales, Peltaspermales, Bennettitales, Ginkgoales and Coniferales.
Fatemeh Vaez Javadi, Akbar Parvacideh,
doaj  

La colección de paleobotánica del Museo de Ciencias Naturales y Antropológicas "Juan Cornelio Moyano", Mendoza, Argentina. [PDF]

open access: yes, 2014
La Colección de Paleontología del Museo de Ciencias Naturales y Antropológicas “Juan Cornelio Moyano” de Mendoza (Argentina) se formó originalmente con los ejemplares que colectó el naturalista Carlos Rusconi en la provincia de Mendoza y otras áreas del ...
Devincenzi, Susana Mariel
core  

Complete plastid genomes from \u3ci\u3eOphioglossum californicum, Psilotum nudum,\u3c/i\u3e and \u3ci\u3eEquisetum hyemale\u3c/i\u3e reveal an ancestral land plant genome structure and resolve the position of Equisetales among monilophytes [PDF]

open access: yes, 2013
Background: Plastid genome structure and content is remarkably conserved in land plants. This widespread conservation has facilitated taxon-rich phylogenetic analyses that have resolved organismal relationships among many land plant groups.
Grewe, Felix   +4 more
core   +3 more sources

The Earliest Perfect Flower [PDF]

open access: yes, 2007
Despite of angiosperms in the Yixian Formation (>125 Ma, early Cretaceous), there is no perfect flower typical of angiosperms to date. Here we report _Euanthus dilaensis_ gen. et sp. nov as the earliest perfect flower known to date.
Shaolin Zheng, Xin Wang
core  

Ressources alimentaires non conventionnelles [PDF]

open access: yes, 2004
Unconventional Food Resources. Concepts of ethnobotany, ethnozoology and ethnoecology are defined and their respective development recounted. The geographic frame is afterwards specified: Tropical Africa.
Malaisse, F.
core  

Conifer from the Jurassic of east Antarctica [PDF]

open access: yes, 1967
The genus Nothodacriurn gen nov. is described, with one species, N. warrenii sp. nov., from the uppermost Beacon Group, of Jurassic age. Also described is the pollen cone M asculostrobus warrenii sp. nov., which may belong with N. warrenii.
Townrow, JA
core  

Flora Matritensis,1 (Pteridophyta) [PDF]

open access: yes, 1981
La flora pteridológica de la provincia de Madrid y comarcas limítrofes consta de 24 géneros, 54 especies, siete subespecies, dos formas y doce híbridos. La obra posee claves para determinar órdenes, géneros, especies, subespecies y formas.
Costa Talens, Manuel   +3 more
core  

Fascículo II. Plantas fósiles [PDF]

open access: yes, 1966
Los fósiles vegetales hallados en la Provincia de Buenos Aires, están principalmente representados por aquellos de la flora pérmica de la Sierra de Pillahuincó, ya que no se conocen otros restos vegetales en el Paleozoico ...
Menéndez, Carlos A.
core  

Evidence of the oldest extant vascular plant (horsetails) from the Indian Cenozoic. [PDF]

open access: yesPlant Divers, 2023
Kundu S   +4 more
europepmc   +1 more source

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