Results 81 to 90 of about 2,684 (228)

New records of Cosmarium Corda ex Ralfs (Desmidiaceae, Zygnematophyceae) in a tributary of the Itaipu Reservoir, Paraná, Brazil

Acta Botânica Brasílica, 2013
This work is part of a survey of the desmid flora in a tributary of the Itaipu Reservoir, in the state of Paraná, Brazil. The objective was to expand the knowledge base regarding the genus Cosmarium (Desmidiaceae, Zygnematophyceae).
Stefania Biolo, Norma Catarina Bueno, Natália Silveira Siqueira, Carina Moresco   +3 more
doaj  

Some critical remarks about new and rare to Polish flora desmids from the Suwałki Lakeland

Acta Societatis Botanicorum Poloniae, 2014
Species of desmids found in the Suwałki Lakeland are presented; these species are new and rare in the flora of Poland: Cosmarium contractum var. retusum (W. et G. S. West) W. Krieg. et Gerl., C. hammeri var. protuberans W. et G. S. West, C.
Grażyna M. Tomaszewicz, Elżbieta Skrzeczkowska   +1 more
doaj   +1 more source

Examination of the Cell Wall of Micrasterias Radiosa Var radiosa (Conjugatophyceae) by Transmission and Scanning Electron Microscopy [PDF]

, 1996
The cell wall of Micrasterias radiosa var. radiosa Ralfs 1848 (Conjugatophyceae) was examined by transmission and scanning electron microscopy. Previous electron microscopy of this taxon has not been performed; thus these are new observations.
Akin, Jennifer A., Meyer, Richard L.
core   +1 more source

Taxonomic notes on Dutch desmids. III

Cryptogamie. Algologie, 1993
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +3 more sources

Seventy Years of Phycology at The Ohio State University [PDF]

, 1973
Author Institution: Department of Botany, 1735 Neil Avenue, The Ohio State UniversityPhycology at The Ohio State University had its conception with a Proposed Algological Survey of Ohio by Professor William A. Kellerman in 1902. Seventy years of teaching
Taft, Clarence E.
core  

Rare species of fungi parasiting on algae. II. Parasites of Desmidiaceae

Acta Mycologica, 2014
Investigations carried out on the Desmidiaceae revealed the following species of fungi parasitizing on desmids: Myzocytium megastomum, Lagenidium closterii, Ancylistes closterii and Rhizophydium globosum. Legenidium closterii is new in Poland.
Joanna Z. Kadłubowska
doaj   +1 more source

Seasonal patterns and interannual variability of phytoplankton in Lake Stechlin [PDF]

, 2004
The paper presents results of detailed phytoplankton investigations in Lake Stechlin between 1994 and 2003. The analysis includes the picoplankton fraction (dominated by Cyanobium sp.) that regularly appears as a deep-layer chlorophyll maximum (DCM ...
Koschel, Rainer, Krienitz, Lothar, Padisák, Judit, Scheffler, Wolfram   +3 more
core  

DESMIDIALES (ZYGNEMATOPHYCEAE, STREPTOPHYTA) OF THE QUARRY POND ZAVODSKE – A HOTSPOT OF DESMIDS DIVERSITY IN CHERNIHIV POLESIE, UKRAINE

Biota. Human. Technology
Purpose. Study of the composition of desmids in Zavodske quarry pond (Chernihiv Polesie, Ukraine), preparation of the taxonomical list. Microphotographs illustrating the cells of desmid algae found Ukrainian and their dimensional characteristics are ...
Iryna Shyndanovina
doaj   +1 more source

A Checklist Of Desmids In Nigeria

Global Journal of Pure and Applied Sciences, 2002
The paper presents a checklist of diversity and distribution of desmid flora in Nigeria. Samples of desmids were collected by means of 55-micrometer mesh plankton net from different locations. There was a high diversity of desmids. A total of 478 taxa are listed in this report.
openaire   +3 more sources

Contribution to the Knowledge of Desmids (Zygnematophyceae, Streptophyta) in a Tropical Lake (Colombia)

Acta Biológica Colombiana
I here describe 24 taxa of desmids from the Colombian Oriental Plains (Orinoquía). Docidium undulatum var. dilatatum (Cleve) West  y G.S. West; Micrasterias arcuata var. robusta O. Borg; Micrasterias radiata var. gracillima. G.M.
John Charles Donato Rondón
doaj   +1 more source