Results 11 to 20 of about 10,578 (195)

Drosera spirocalyx Rivadavia & Gonella

open access: yes, 2022
Published as part of Gonella, Paulo Minatel, Sano, Paulo Takeo, Rivadavia, Fernando & Fleischmann, Andreas, 2022, A synopsis of the genus Drosera (Droseraceae) in Brazil, pp.
Gonella, Paulo Minatel   +3 more
core   +27 more sources

Rivadavia labrador [PDF]

open access: yes, 1960
Acota Martinez Estrada: desde Rivadavia nadie ha sido aquí un pensador social si exceptuamos a Etcheverría, Gutiérrez y Alberdi. Su fervor a la verdad, su consagración a la obra nacional, su respeto a los derechos individuales y su pudor por el fuero popular dan al procer jerarquía de arquetipo monitor.
Ringuelet, Andrés
openaire   +2 more sources

Inside a duck‐billed dinosaur: Vertebral bone microstructure of Huallasaurus (Hadrosauridae), Upper Cretaceous of Patagonia [PDF]

open access: yesThe Anatomical Record, Volume 309, Issue 7, Page 1702-1712, July 2026.
Abstract Dinosaurs evolved a unique respiratory system with air sacs that contributed to their evolutionary success. Postcranial skeletal pneumaticity (PSP) has been used to infer the presence of air sac systems in some fossil archosaurs. While unambiguous evidence of PSP is well documented in pterosaurs and post‐Carnian saurischians, it remains absent
Tito Aureliano   +3 more
wiley   +2 more sources

Drosera magnifica Rivadavia & Gonella, sp. nov.

open access: yes, 2015
Drosera magnifica Rivadavia & Gonella, sp. nov. (Figs. 1–4) Type: — BRAZIL. Minas Gerais: Conselheiro Pena, Pico do Padre Ângelo, 1530 m, 28 November 2013, Gonella & Rivadavia 645 (holotype SPF!, isotypes BHCB!, MO!, P!, RB!, SPF!). Diagnosis: — Drosera magnifica differs from D. graminifolia and D.
Paulo Minatel Gonella   +2 more
openaire   +3 more sources

Un retrato desconocido de Rivadavia

open access: yesInvestigaciones y Ensayos, 2016
Hallazgo de una miniatura referida a Bernardino Rivadavia ejecutada por el mejor miniaturista de su tiempo. Presenta una fisonomía amable del prócer.
Isidoro J. Ruiz Moreno
doaj   +3 more sources

Utricularia rostrata A. Fleischm. & Rivadavia

open access: yes, 2022
Published as part of Guedes, Felipe Martins, Miranda, Vitor Fernandes Oliveira & Alves, Marccus, 2022, Diversity and distribution of Lentibulariaceae in Bahia state, Brazil: implications for phytogeography and conservation, pp.
Guedes, Felipe Martins   +2 more
openaire   +2 more sources

Catalog of the Castniidae (Lepidoptera) of Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Buenos Aires: types’ description and general and historical notes [PDF]

open access: yes, 2020
Se presenta un catálogo con 157 ejemplares de Castniidae pertenecientes a 12 géneros y 39 especies, conservados y preservados en el Museo Argentino de Ciencias Naturales Bernardino Rivadavia (MACN).
González, Jorge M.   +9 more
core   +1 more source

A lei brasileira de ensino Rivadávia Corrêa (1911): paradoxo de um certo liberalismo Brazilian educational law 'Rivadavia Correa' (1911): the paradox of liberalism

open access: yesEducação em Revista, 2012
A lei Rivadávia é uma lei educacional emblemática. A historiografia educacional brasileira costuma tratá-la ou como excrescência de curta duração, pois somente prevaleceu até 1915, ou ainda como legítima expressão de um Estado republicano liberal tout ...
Marlos Bessa Mendes da Rocha
doaj   +1 more source

First country record of Trachycephalus mesophaeus (Hensel, 1867) (Amphibia, Anura, Hylidae) in Argentina [PDF]

open access: yesCheck List, 2020
We report the first record of the Porto Alegre Golden-eyed Treefrog, Trachycephalus mesophaeus (Hensel, 1867), from Argentina based on a single specimen collected in the 1980s at Las Lomitas, province of Formosa, northeastern Argentina.
Jordi A. Garcia-Marsà   +2 more
doaj   +3 more sources

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