 |
 |
MarBEF Data System |
 |
|
|
|
WoRMS taxon details
context source (ERMS)
Gkelis, S.; Ourailidis, I.; Panou, M.; Pappas, N. (2016). Cyanobacteria of Greece: an annotated checklist. <em>Biodiversity Data Journal.</em> 4: e10084., available online at https://doi.org/10.3897/bdj.4.e10084 [details]
basis of record
Guiry, M.D. & Guiry, G.M. (2024). AlgaeBase. <em>World-wide electronic publication, National University of Ireland, Galway.</em> searched on YYYY-MM-DD., available online at http://www.algaebase.org [details]
From regional or thematic species database
Description Trichomes free-floating, solitary, straight or slightly arcuate, narrowed towards ends, constricted at the cross-walls, with indistinct mucilaginous envelopes. Cells barrel-shaped, ± spherical or hemispherical, with aerotopes, ± isodiametric or sometimes shorter than wide, 4-8 x 8 μm in the trichome centre; apical cells narrowed, end cells slightly elongated, usually 6-8 μm long and conical-rounded. Heterocytes solitary, intercalary, spherical, 8-10.2 μm in diameter. Akinetes widely oval, with thick, colourless exospore, intercalary, solitary, distant from heterocytes, ±21-24 x 10-20 µm. [details]
Distribution In plankton of salty and brackish lakes, usually in warm water above 20°C; in estuary of Danube river, S Russia (river Don), in lakes in central and eastern Asia, Caspian Sea, Aral Sea, lake Issyk-kul and from Turkey; recorded also from Sweden (confirmation!). [details]
Remark Heterocysts, nitrogen fixing filamentous form [details]
|
|
|
|
|
Present 
