O gênero Chara (Charophyceae, Characeae) das Regiões Metropolitanas de Salvador e de Feira de Santana, Bahia, Brasil

Ribeiro, Camila dos Anjos; Ramos, Geraldo José Peixoto; Bueno, Norma Catarina; Prado, João Fernando; Moura, Carlos Wallace do Nascimento

doi:10.1590/2175-7860201869432

Cited by 2 publications

(1 citation statement)

References 25 publications

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“…Para a análise em MO, o material foi clarificado com hipoclorito de sódio, lavado em água destilada e preparado sobre lâmina e lamínula. O protocolo de preparo dos oósporos para análise em MEV segue Ribeiro et al (2018). A terminologia empregada para descrever os oósporos em MEV segue John & Moore (1987) e Casanova (1991.…”

Section: Methodsunclassified

Notas taxonômicas sobre o gênero Nitella C. Agardh (Characeae) da Região Metropolitana de Feira de Santana, Estado da Bahia, Brasil

Ribeiro¹,

Bueno²,

Prado³

et al. 2021

Hoehnea

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RESUMO (Notas taxonômicas sobre o gênero Nitella C. Agardh (Characeae) da Região Metropolitana de Feira de Santana, Estado da Bahia, Brasil). A partir de um estudo florístico da Família Characeae na Região Metropolitana de Feira de Santana, Estado da Bahia, detectamos quatro espécies de Nitella, das quais duas são adições para o Estado: N. axillaris e N. praelonga, esta última, de ocorrência rara no Brasil, relatada pela primeira vez para o Nordeste brasileiro. Os materiais foram analisados através de microscopia fotônica e eletrônica de varredura. Para todas essas espécies fornecemos descrições, informações sobre hábitat, distribuição geográfica no Brasil e notas taxonômicas

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Section: Methodsunclassified

Notas taxonômicas sobre o gênero Nitella C. Agardh (Characeae) da Região Metropolitana de Feira de Santana, Estado da Bahia, Brasil

Ribeiro¹,

Bueno²,

Prado³

et al. 2021

Hoehnea

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The Charophytes (Charophyceae, Characeae) from Dagestan Aquatic Habitats, North Caucasus: Biogeographical and Barcoding Perspectives

Romanov,

Mallaliev,

Barinova

et al. 2023

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The charophytes in many regions of the world are still poorly understood. This hampers the synthesis of distributional and ecological datasets at worldwide and continental scales, as well as complicates the generalization of species concepts for widely distributed and local taxa. To fill in the blanks for charophytes in the Caucasus and to improve our knowledge of species distribution areas in Eurasia, a field survey and study of available specimens from Dagestan (North Caucasus, Russia) was conducted based on morphological observation using light and scanning electron microscopy and molecular genetic analyses allowing for the precise identification and testing of the presence of cryptic and undescribed taxa. Nineteen new localities for seven Chara species and one Tolypella species, seven new species, and one new genus were identified in the studied region, and one new species in the Caspian Sea region was found. Some species records changed the outline or filled in the gaps in species distribution data. The presence of species distributed mainly in central Eurasia (C. globata, C. neglecta) with mainly Mediterranean–Middle Eastern species (C. gymnophylla) is notable for this region, as well as for other studied regions of the Caucasus characterized by a mixture combination of species with different distribution patterns. Chara gymnophylla was frequent in Dagestan, similar to the Mediterranean and Middle Eastern regions. Small brackish waterbodies on the coast of the Caspian Sea, freshwater mountain rivers, small associated waterbodies, and water reservoirs are the main habitats of charophytes in the studied region. Based on habitat preference and distribution in the Caucasus, recommendations for the protection of some species were suggested. The lack of endemic species among charophytes from Dagestan and Caucasus contrasts with the flora of terrestrial magnoliophytes that is rich in species endemism.

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O gênero Chara (Charophyceae, Characeae) das Regiões Metropolitanas de Salvador e de Feira de Santana, Bahia, Brasil

Cited by 2 publications

References 25 publications

Notas taxonômicas sobre o gênero Nitella C. Agardh (Characeae) da Região Metropolitana de Feira de Santana, Estado da Bahia, Brasil

Notas taxonômicas sobre o gênero Nitella C. Agardh (Characeae) da Região Metropolitana de Feira de Santana, Estado da Bahia, Brasil

The Charophytes (Charophyceae, Characeae) from Dagestan Aquatic Habitats, North Caucasus: Biogeographical and Barcoding Perspectives

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