Ruy José Válka Alves
Instituição:
Universidade Federal do Rio de Janeiro
Centro:
Fórum de Ciência e Cultura
Unidade:
Museu Nacional
Departamento:
Departamento de Botânica/MN
Formação:
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Botanical Institute, Academy of Sciences of the Czech Republic
| Pós-Doutorado | 2007 - 2008
-
Botanical Institute, Academy of Sciences of the Czech Republic
Geobotany | Doutorado | 1990 - 1993
-
Czechoslovak Academy Of Sciences
Botanical Institute | Mestrado | 1988 - 1990
-
Faculdade de Humanidades Pedro II
Ciências Biológicas | Graduação | 1985 - 1988
Laboratórios:
Nuvens de Palavras:
Artigos:
(35.92% artigos com DOI)
Titulo | DOI | Ano |
---|---|---|
Vy?adují velozie oheň? | 2024 | |
Revisiting Utricularia triphylla Ule | 10.1002/fedr.202200051 | 2023 |
Welcome back, Barbacenia rogieri! | 10.1002/fedr.202000028 | 2021 |
The Brazilian Cerrado is becoming hotter and drier | 10.1111/gcb.15712 | 2021 |
Synopsis of the Brazilian genus Symphyllophyton (Gentianaceae) with four new species | 10.11646/phytotaxa.521.3.2 | 2021 |
Tillandsia mantiqueirae (Bromeliaceae), a New Species from Minas Gerais State, Brazil | 10.11646/phytotaxa.525.3.2 | 2021 |
AEDES AEGYPTI INVADES TRINDADE ISLAND, 1,140 KM FAR FROM THE BRAZILIAN COAST, IN SOUTH ATLANTIC | 2020 | |
Stachytarpheta sobraliana (Verbenaceae), a new species from the Serra de São José, Minas Gerais, Brazil | 10.11646/phytotaxa.415.5.5 | 2019 |
Open ocean nocturnal insect migration in the Brazilian South Atlantic with comments on flight endurance | 10.7717/peerj.7583 | 2019 |
Three new records of Remijia (Cinchoneae, Rubiaceae) for the Brazilian Amazon and a new altitudinal record for Venezuela | 10.1590/2175-7860201970050 | 2019 |
Brazilian legislation on genetic heritage harms Biodiversity Convention goals and threatens basic biology research and education | 10.1590/0001-3765201820180460 | 2018 |
The use of chloroplast genome sequences to solve phylogenetic incongruences in Polystachya Hook (Orchidaceae Juss) | 10.7717/peerj.4916 | 2018 |
Airborne palynomorphs on Trindade Island, South Atlantic Ocean, Brazil | 10.1007/s40415-018-0460-1 | 2018 |
THREE NEW SPECIES OF BARBACENIA (VELLOZIACEAE) FROM TOCANTINS, BRAZIL | 10.1017/S096042861800029X | 2018 |
Two New Species of the Carnivorous Genus Philcoxia (Plantaginaceae) from the Brazilian Cerrado | 10.1600/036364417x695574 | 2017 |
NATURALIZATION OF THE BODHI FIG TREE (Ficus religiosa L. - Moraceae) IN BRAZIL | 10.14393/BJ-v33n1a2017-34177 | 2017 |
The dead forest on Trindade Island was not monospecific, says the wood | 10.1163/22941932-20170183 | 2017 |
A new species of the genus Vellozia (Velloziaceae) from Minas Gerais, Brazil, with comments on endemism, distribution and conservation | 10.11646/phytotaxa.328.2.4 | 2017 |
World Scientists? Warning to Humanity: A Second Notice | 2017 | |
Floristic and taxonomic treatment of Croton subsect. Medea (Euphorbiaceae) from Brazilian campos rupestres |
10.11646/phytotaxa.263.3.1 | 2016 |
The genus Cora in the South Atlantic and the Mascarenes: Two novel taxa and inferred biogeographic relationships | 10.1639/0007-2745-118.3.293 | 2015 |
Structure Elucidation, Antimicrobial and Cytotoxic Activities of a Halimane Isolated from Vellozia kolbekii |
10.1002/cbdv.201500071 | 2015 |
Circumscribing campo rupestre megadiverse brazilian rocky montane savannas | 10.1590/1519-6984.23212 | 2014 |
Terpenos em cupins do gênero Nasutitermes (Isoptera, Termitidae, Nasutitermitinae) | 2014 | |
Rediscovery of Living Land Snails on Trindade Island, Brazil | 10.4003/006.032.0102 | 2014 |
A new giant Vellozia (Velloziaceae) from Minas Gerais, Brazil with comments on the V. compacta complex and conservation | 10.11646/phytotaxa.172.1.2 | 2014 |
New records of Helicina inaequistriata (Gastropoda: Helicinidae) from Rio de Janeiro and São Paulo states, Brazil | 2014 | |
SIC VOS NON VOBIS: IN HONOUR TO THE BOTANIST PEDRO CARAUTA (1930 ? 2013) | 2014 | |
Two rediscoveries and one extinction for the flora of Trindade Island, Brazil | 10.3159/TORREY-D-12-00062.1 | 2013 |
Longevity of the Brazilian underground tree Jacaranda decurrens Cham. | 2013 | |
First report of naturalization of Houttuynia cordata Thunb. 1783 (Piperales: Saururaceae) in South America | 2013 | |
Revalidation of the genera Bia and Zuckertia (Euphorbiaceae) with B. capivarensis sp. nov. from Serra da Capivara, Brazil | 10.1111/j.1756-1051.2012.01616.x | 2013 |
A new species of Sporobolus (Poaceae, Chloridoideae) from Trindade Island, Brazil, with comments on the distribution of the genus in the South Atlantic |
10.11646/1132 | 2013 |
Latin shaken, not stirred | 2012 | |
Validation of the names Croton lenheirensis and Croton pradensis (Euphorbiaceae) | 10.3159/TORREY-D-12-00049.1 | 2012 |
A New Species and a Key for <I>Langsdorffia</I> (Balanophoraceae) | 10.1600/036364411X569606 | 2011 |
Association between Zelus versicolor (Herrich-Schäffer) (Hemiptera, Reduviidae, Harpactorinae) and Bidens rubifolia Kunth (Asterales, Asteraceae) | 2011 | |
REDISCOVERY OF CROTON JOSEPHINUS (EUPHORBIACEAE) IN MINAS GERAIS, BRAZIL | 10.1017/S0960428610000259 | 2011 |
Lentibulariaceae, Serra de São José, Minas Gerais, Brazil | 2011 | |
Protective effects of flavonoids and extract from Vellozia kolbekii Alves against oxidative stress induced by hydrogen peroxide in yeast | 10.1007/s11418-011-0585-z | 2011 |
Recensão crítica - os limites da Amazônia Azul ¿ As ilhas de São Pedro e São Paulo + Trindade de Antônio Marinho, Roberta Jansen e Simone Marinho Editora Casa da Palavra, Rio de Janeiro, RJ, Brasil | 10.5894/rgci309 | 2011 |
O fogo é sempre um vilão nos campos rupestres? | 2011 | |
A new species of Balanophoraceae from Brazil. | 2011 | |
The eradication of feral goats and its impact on plant biodiversity ? a milestone in the history of Trindade Island, Brazil. | 2011 | |
Vegetation strategy of Vellozia crinita (Velloziaceae) | 10.2478/s11756-010-0005-y | 2010 |
Pilea carautae (Urticaceae), a new and endemic species from South-eastern Brazil | 10.1007/s12225-010-9222-3 | 2010 |
Can campo rupestre vegetation be floristically delimited based on vascular plant genera? | 10.1007/s11258-009-9654-8 | 2010 |
Summit vascular flora of Serra de São José, Minas Gerais, Brazil | 2009 | |
Screening of the Odour-Activity and Bioactivity of the Essential Oils of Leaves and Flowers of Hyptis Passerina Mart. from the Brazilian Cerrado | 10.1590/S0103-50532009000200018 | 2009 |
Two new species of Croton L. (Euphorbiaceae) from campos rupestres of Minas Gerais State, Brazil | 10.3159/08-RA-121.1 | 2009 |
A letter from the past | 10.1038/462380a | 2009 |
Cambessedesia tiradentensis (Melastomataceae), a new species from Brazil | 2008 | |
Vascular epiphyte vegetation in rocky savannas of southeastern Brazil | 10.1111/j.0107-055X.2008.00190.x | 2008 |
Impacts of Cattle, Fire and Wind in Rocky Savannas, Southeastern Brazil | 2008 | |
Euphorbiaceae nativas de cerrado e campo rupestre da Serra de São José, Minas Gerais, Brasil | 2008 | |
Is Classical Taxonomy Obsolete? | 2007 | |
Angiosperm Disjunction ?Campos Rupestres ? Restingas? - a Re-evaluation. | 2007 | |
MELASTOMATACEAE DA SERRA DE SÃO JOSÉ, MINAS GERAIS | 2007 | |
Orchidaceae do Parque Estadual de Ibitipoca, Minas Gerais - Brasil | 2007 | |
A subtribo Pleurothallidinae (Orchidaceae) no Parque Estadual de Ibitipoca, Minas Gerais, Brasil | 2007 | |
Regeneração Natural do Morro Vermelho, Ilha da Trindade. | 2007 | |
Disjunções em Arthrocereus melanurus (Cactaceae) | 2007 | |
Zizyphus mautiriana Lam. (Rhamnaceae) and the Chemical Composition of its Floral Fecal Odor | 2005 | |
Two new white-flowered species of Pitcairnia from Brazil | 2004 | |
CONSTITUINTES QUÍMICOS VOLÁTEIS DAS FLORES E FOLHAS DO PAU-BRASIL (Caesalpinia echinata, Lam.) | 2004 | |
ILHA DA TRINDADE - PRIMEIRO REGISTRO PALEOBOTÂNICO | 2004 | |
RESTABELECIMENTO DE ESPÉCIES ENDÊMICAS DA ILHA DA TRINDADE | 2004 | |
Itaculumia vs. Habenaria (Orchidaceae) - Taxonomic Notes | 2003 | |
Ficus cyclophylla & F. tomentella na Contenção de Erosão da Ilha da Trindade | 2003 | |
Two new species of Nanuza (Velloziaceae) from Brazil. | 2002 | |
Espécie nova de Croton L. (Euphorbiaceae) do Estado de Minas Gerais, Brasil. | 2002 | |
Primary succession on quartzite cliffs in Minas Gerais, Brazil. | 2000 | |
Petrografia de Rochas da Ilha de Martin Vaz | 2000 | |
Uma nova espécies de Esterhazya J. C. Mikan (Scrophulariaceae) do Brasil | 1999 | |
Piperaceae da Ilha da Trindade | 1998 | |
Projeto Flora da Serra de São José - Museu Nacional & EFLEX - Ritápolis | 1997 | |
Calcareous Sand Fulgurites from Trinidad Island | 1997 | |
Plants In Peril: Stachytarpheta sellowiana | 1996 | |
Morphological Age Determination & Longevity In Some Vellozia Populations In Brazil | 1994 | |
Plant Species Endemism In Savanna Vegetation On Table Mountains (Campo Rupestre) In Brazil | 1993 | |
Penumbral Rock Communities In Campo Rupestre Sites In Brazil | 1993 | |
Some Vicariating Plant Communities In Brazil, Malaysia & Singapore | 1993 | |
Sarcoglottis Caudata (Orchidaceae) & Vellozia Kolbekii (Velloziaceae) - Two New Species From Minas Gerais, Brazil | 1992 | |
A New Species Of Pseudolaelia (Orchidaceae) From Minas Gerais, Brazil | 1991 | |
A New Species Of The Genus Eulophia R. Br. (Orchidaceae) From Minas Gerais, Brazil | 1991 | |
Liparis Beckeri & Pelexia Phallocallosa - Two New Species Of Brazilianorchidaceae | 1991 | |
Sova Kralici Synantropnim Druhem | 1991 | |
Celed Balanophoraceae V Brazilii | 1991 | |
A New Species Of Mesadenella Pabst & Garay (Orchidaceae - Spiranthi- Nae) | 1990 | |
The Orchidaceae Of Itacolomy State Park In Minas Gerais, Brazil | 1990 | |
Floral Morphology & Distribution In The Epidendrum Ellipticum Comlex (Orchidaceae) In Brazil . - | 1990 | |
Methods Of Floral Analysis In The Brazilian Orchidaceae | 1990 | |
Brazilske Rostliny Kamenitych Plani | 1990 | |
Niceni Tropicke Vegetace - Konec Amazonie ? | 1990 | |
Nota Sobre A Contribuicao de Naturalistas Tchecoslovacos Para O Conhecimento da Natureza Sul-Americana | 1990 | |
Velozie - Rostliny Vyzadujici Ohen | 1989 | |
Ornitofylni Kvety Brazilskych Rostlin | 1989 | |
Neprave Bromelie | 1988 | |
Heliofytni Raselyniste | 1988 | |
Amazonske Pralesy Soucasnosti | 1988 | |
Jake Jsou Vyhlidky Marmosetek ? | 1987 | |
Pohori Svateho Josefa | 1987 | |
O Stavu Orchideji A Jejich Sberu V Rio de Janeiru Lov Na Orchideje | 1986 |
Eventos:
(0.00% eventos com DOI)