Results 71 to 80 of about 1,000 (170)

Euastrum and Micrasterias (family Desmidiaceae) in lentic tropical ecosystem, Brazil [PDF]

open access: yesBiota Neotropica, 2015
This study aimed to perform the taxonomic survey of Euastrum and Micrasterias in a lentic tropical environment, seeking to contribute to the knowledge on biodiversity and geographical distribution of the Zygnemaphyceae. Conducted at the Samambaia Reservoir, ten samples were collected in the dry season (24/09/10 and 04/11/10) and ten in the rainy season
Silva, Francielle Karla Lopes da   +1 more
openaire   +3 more sources

Taxonomic notes on the species of the genus Micrasterias (Desmidiaceae, Conjugatophyceae) from the Metropolitan Region of Salvador, Bahia, Brazil

open access: yesCheck List, 2018
We present the results of a taxonomic survey of the genus Micrasterias in the Metropolitan Region of Salvador (MRS), Bahia, northeastern Brazil during 2007–2010 and 2014–2015.
Maria Aparecida dos Santos   +2 more
semanticscholar   +1 more source

Phyco Data Base Booklet: Cosmarium & Euastrum of Palangka Raya, Indonesia

open access: yes, 2022
This booklet is an e-book version of the Phyco Data Base containing 10 species of microalgae of the genera Cosmarium Corda ex Ralfs 1848 and Euastrum Ehrenberg ex Ralfs 1848. The description and image of microalgae species in this booklet is based on the
Adam, Chaidir
core   +1 more source

Flutuação anual e interanual da riqueza de espécies de desmídias (Chlorophyta – Conjugatophyceae) em um lago de inundação amazônico de águas pretas (Lago Cutiuaú, Estado do Amazonas, Brasil) - DOI: 10.4025/actascibiolsci.v31i3.1050

open access: yesActa Scientiarum: Biological Sciences, 2009
Nesta pesquisa foi avaliada a flutuação sazonal e interanual da riqueza específica de desmídias ao longo de diferentes períodos do ciclo hidrológico de 2002 a 2004, em um lago de inundação de águas pretas da bacia do rio Negro, no Estado do Amazonas.
Sérgio Melo, Karla Ferreira Souza
doaj   +1 more source

Five new taxa and a new record of Euastrum (Desmidiaceae) from the Chapada Diamantina region, Bahia State, Brazil

open access: yesPhytotaxa, 2018
We describe five new taxa of Euastrum (E. abruptum var. chapadae, E. fissum var. nordestinum, E. marimbusense, E. ornatiscrobiculatum and E. praemorsum var. foersteri), and report a new record for the Northeastern Region of Brazil (E.
Fabiana de Matos Costa   +4 more
semanticscholar   +1 more source

New occurrences of Zygnematophyceae (Streptophyta) in subtropical lotic environments, Paraná, Brazil [PDF]

open access: yesHoehnea
The study aimed to identify and record Zygnematophyceae species, highlighting new occurrences in three river basins of western Paraná State (Paraná III, Piquiri, and Iguaçu).
Maria Clara Pilatti   +6 more
doaj   +2 more sources

FIGURES 1–8. Line drawings. 1. Cosmarium boeckii var. areolatum 2. C. clepsydra var. incrassatum 3. C. heptangulare 4. C. kanetsunae 5. C. pygmaeum 6. C. trinodulum 7. C. trinodulum var. brasiliense 8. C in Taxonomic notes on some Cosmarium species (Desmidiaceae, Zygnematophyceae) from Brazil

open access: yes, 2021
FIGURES 1–8. Line drawings. 1. Cosmarium boeckii var. areolatum 2. C. clepsydra var. incrassatum 3. C. heptangulare 4. C. kanetsunae 5. C. pygmaeum 6. C. trinodulum 7. C. trinodulum var. brasiliense 8. C. trinodulum var.
Moura, Carlos Wallace Do Nascimento   +2 more
core   +1 more source

FIGURES 20–26. 20, 21. Cosmarium pseudopyramidatum excavatum. 21 in New records of Cosmarium (Desmidiaceae) to Brazil

open access: yes, 2011
FIGURES 20–26. 20, 21. Cosmarium pseudopyramidatum excavatum. 21. Detail decoration of the cell wall. 22. 23. C. sphyridium. 24. C. succisum. 25, 26. C. subhammeri. 26. Detail the two higher grades, sub apical. Figures 20–24 (Bars = 10 µm); 25, 26 (Bars =
Bicudo, Carlos Eduardo De M.   +2 more
core   +1 more source

A comparison of Desmidiaceae between Bryant Bog and Livingston Bog.

open access: yes, 2001
Desmids are green algae from the order Zygnematales and the family Desmidiaceae. These algae are most abundant in soft or acidic water due to their adversity to calcium which makes bog-like areas desmid rich.
Novitski, Linda
core   +4 more sources

FIGURE 2, A–J in Staurastrum pantanale sp. nov. (Zygnematophyceae, Desmidiaceae), a new desmid species from the Brazilian Pantanal

open access: yes, 2013
FIGURE 2, A–J: Staurastrum pantanale sp. nov. A–E: LM images. A: Cell division; B: Frontal view; C: Detail of cell wall showing a crenate outline and acuminate isthmus; D: Vertical view and cell wall ornamentation detail; E: Detail of 2-furcate ...
Malone, Camila Francieli Da Silva   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy