With contributions by: Abreu, Maria C.; Acevedo-Rodríguez, Pedro; Agra, Maria F.; Almeida Jr., Eduardo B.; Almeida, Gracineide S.S.; Almeida, Rafael F.; Alves, Flávio M.; Alves, Marccus; Alves-Araujo, Anderson; Amaral, Maria C.E.; Amorim, André M.; Amorim, Bruno; Andrade, Ivanilza M.; Andreata, Regina H.P.; Andrino, Caroline O.; Anunciação, Elisete A.; Aona, Lidyanne Y.S.; Aranguren, Yani; Aranha Filho, João L.M.; Araújo, Andrea O.; Araújo, Ariclenes A.M.; Araújo, Diogo; Arbo, María M.; Assis, Leandro; Assis, Marta C.; Assunção, Vivian A.; Athiê-Souza, Sarah M.; Azevedo, Cecilia O.; Baitello, João B.; Barberena, Felipe F.V.A.; Barbosa, Maria R.V.; Barros, Fábio; Barros, Lucas A.V.; Barros, Michel J.F.; Baumgratz, José F.A.; Bernacci, Luis C.; Berry, Paul E.; Bigio, Narcísio C.; Biral, Leonardo; Bittrich, Volker; Borges, Rafael A.X.; Bortoluzzi, Roseli L.C.; Bove, Cláudia P.; Bovini, Massimo G.; Braga, João M.A.; Braz, Denise M.; Bringel Jr., João B.A.; Bruniera, Carla P.; Buturi, Camila V.; Cabral, Elza; Cabral, Fernanda N.; Caddah, Mayara K.; Caires, Claudenir S.; Calazans, Luana S.B.; Calió, Maria F.; Camargo, Rodrigo A.; Campbell, Lisa; Canto-Dorow, Thais S.; Carauta, Jorge P.P. †; Cardiel, José M.; Cardoso, Domingos B.O.S.; Cardoso, Leandro J.T.; Carneiro, Camila R.; Carneiro, Cláudia E.; Carneiro-Torres, Daniela S.; Carrijo, Tatiana T.; Caruzo, Maria B.R.; Carvalho, Maria L.S.; Carvalho-Silva, Micheline; Castello, Ana C.D.; Cavalheiro, Larissa; Cervi, Armando C. †; Chacon, Roberta G.; Chautems, Alain; Chiavegatto, Berenice; Chukr, Nádia S.; Coelho, Alexa A.O.P.; Coelho, Marcus A.N.; Coelho, Rubens L.G.; Cordeiro, Inês; Cordula, Elizabeth; Cornejo, Xavier; Côrtes, Ana L.A.; Costa, Andrea F.; Costa, Fabiane N.; Costa, Jorge A.S.; Costa, Leila C.; Costa-e-Silva, Maria B.; Costa-Lima, James L.; Cota, Maria R.C.; Couto, Ricardo S.; Daly, Douglas C.; De Stefano, Rodrigo D.; De Toni, Karen; Dematteis, Massimiliano; Dettke, Greta A.; Di Maio, Fernando R.; Dórea, Marcos C.; Duarte, Marília C.; Dutilh, Julie H.A.; Dutra, Valquíria F.; Echternacht, Lívia; Eggers, Lilian; Esteves, Gerleni; Ezcurra, Cecilia; Falcão Junior, Marcus J.A.; Feres, Fabíola; Fernandes, José M.; Ferreira, D.M.C.; Ferreira, Fabrício M.; Ferreira, Gabriel E.; Ferreira, Priscila P.A.; Ferreira, Silvana C.; Ferrucci, Maria S.; Fiaschi, Pedro; Filgueiras, Tarciso S.; Firens, Marcela; Flores, Andreia S.; Forero, Enrique; Forster, Wellington; Fortuna-Perez, Ana P.; Fortunato, Reneé H.; Fraga, Cláudio N.; França, Flávio; Francener, Augusto; Freitas, Joelcio; Freitas, Maria F.; Fritsch, Peter W.; Furtado, Samyra G.; Gaglioti, André L.; Garcia, Flávia C.P.; Germano Filho, Pedro; Giacomin, Leandro; Gil, André S.B.; Giulietti, Ana M.; Godoy, Silvana A.P. ; Goldenberg, Renato; Gomes da Costa, Géssica A.; Gomes, Mário; Gomes-Klein, Vera L.; Gonçalves, Eduardo Gomes; Graham, Shirley; Groppo, Milton; Guedes. Juliana S.; Guimarães, Leonardo R.S.; Guimarães, Paulo J.F.; Guimarães, Elsie F.; Gutierrez, Raul; Harley, Raymond; Hassemer, Gus...
Citrus leprosis (CL) is a serious threat to the citrus industry, especially for sweet oranges. For a long time, Citrus spp. were considered the only susceptible hosts. However, other plant species were also found either experimentally or naturally to be susceptible to Citrus leprosis virus C (CiLV-C). To assess the experimental host range of CiLV-C, a large number of plant species were inoculated with Brevipalpus phoenicis, viruliferous to CiLV-C, under experimental conditions. Out of the 140 tested species (43 families), 59 species (24 families) developed localized chlorotic and/or necrotic lesions upon inoculation of leaves with viruliferous mites, and 40 species (18 families) of them yielded positive results for CiLV-C detection in at least one of the following assays: ELISA, RT-PCR, transmission electron microscopy and immunfluorescence. For those that developed lesions and yielded negative results in CiLV-C detection assays, the results may be attributed to the small number of lesions and their necrotic state with very little viral material. The fact that a considerable number of plant species are susceptible to the virus after mite inoculation brings up implications for the epidemiology, quarantine and evolution of the citrus leprosis pathosystem.
The shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiversity patterns and processes, complicating biogeographical, ecological, and evolutionary studies. This deficit creates a significant taxonomic impediment to biodiversity research and conservation planning. The taxonomic impediment and the biodiversity crisis are widely recognized, highlighting the urgent need for reliable taxonomic data. Over the past decade, numerous countries worldwide have devoted considerable effort to Target 1 of the Global Strategy for Plant Conservation (GSPC), which called for the preparation of a working list of all known plant species by 2010 and an online world Flora by 2020. Brazil is a megadiverse country, home to more of the world's known plant species than any other country. Despite that, Flora Brasiliensis, concluded in 1906, was the last comprehensive treatment of the Brazilian flora. The lack of accurate estimates of the number of species of algae, fungi, and plants occurring in Brazil contributes to the prevailing taxonomic impediment and delays progress towards the GSPC targets. Over the past 12 years, a legion of taxonomists motivated to meet Target 1 of the GSPC, worked together to gather and integrate knowledge on the algal, plant, and fungal diversity of Brazil. Overall, a team of about 980 taxonomists joined efforts in a highly collaborative project that used cybertaxonomy to prepare an updated Flora of Brazil, showing the power of scientific collaboration to reach ambitious goals. This paper presents an overview of the Brazilian Flora 2020 and provides taxonomic and spatial updates on the algae, fungi, and plants found in one of the world's most biodiverse countries. We further identify collection gaps and summarize future goals that extend beyond 2020. Our results show that Brazil is home to 46,975 native species of algae, fungi, and plants, of which 19,669 are endemic to the country. The data compiled to date suggests that the Atlantic Rainforest might be the most diverse Brazilian domain for all plant groups except gymnosperms, which are most diverse in the Amazon. However, scientific knowledge of Brazilian diversity is still unequally distributed, with the Atlantic Rainforest and the Cerrado being the most intensively sampled and studied biomes in the country. In times of “scientific reductionism”, with botanical and mycological sciences suffering pervasive depreciation in recent decades, the first online Flora of Brazil 2020 significantly enhanced the quality and quantity of taxonomic data available for algae, fungi, and plants from Brazil. This project also made all the information freely available online, providing a firm foundation for future research and for the management, conservation, and sustainable use of the Brazilian funga and flora.
-(Flora of the Serra do Cipó, Minas Gerais: Ericaceae): The study of the family Ericaceae is part of the project of "Flora of the Serra do Cipó, Minas Gerais, Brazil". In that area, the family is represented by two genera, with their respective number of species: Agarista (8) and Gaylussacia (17), of which A. duartei, A. virgata, G. centunculifolia and G. vitis-idaea are endemics. Keys to genera and species, descriptions, illustrations and comments on their geographical distribution, habitat, phenology and morphological variability are presented.
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