Cyanobacteria and Chlorobi

Observations on Aphanizomenon flos-aquae

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Aphanizomenon flos-aquae Ralfs ex Bornet & Flahault 1886

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Byssus flos-aquae Linnaeus 1753
                   Conferva flos-aquae (Linnaeus) Roth 1806
                       Oscillatoria flos-aquae (Linnaeus) Lyngbye 1819
                       Nostoc papyraceum S.F.Gray 1821
                       Trichodesmium flos-aquae Ehrenberg 1830
                       Sphaerozyga flos-aquae (Linnaeus) Corda 1836
                       Limnochlide flos-aquae (Linnaeus) Kützing 1843
                       Micraloa flos-aquae (Linnaeus) Trevisan 1845
                       Trichormus flos-aquae (Linnaeus) Ralfs 1850
                       Aphanizomenon cyaneum Ralfs ex Bornet & Flahault 1888
                       Aphanizomenon holsaticum P.G.Richter 1891
                       Aphanizomenon americanum E.G.Reinhard 1896
                       Aphanizomenon flos-aquae f. holsaticum (P.G.Richter) Elenkin 1938
                       Aphanizomenon flos-aquae f. typicum Elenkin 1938

Sampling date 05/2011. Scale bar indicates 250 µm.

The cyanobacteria genus Aphanizomenon is well known as an ingredient of health food providing lots of vitamins and trace elements But some strains are toxic.

Place name: Creek in Oder valley 100 km north east of Berlin (Germany).
Latitude: 53.135032 Longitude: 14.348738

Microscope Zeiss Universal, camera Olympus C7070. DOF image.

Sampling date 08/2021. Scale bar indicates 2 cm.

Huge colonies, many of them were about 1cm long! The images below show details.

Place name: Wetland Seekamper Seewiesen in Schilksee (Kiel, Germany).
Latitude: 54.410447 Longitude: 10.159699

Camera Olympus OM-D M5 MKII.

Scale bars indicate 2 mm (1, 2), 0.5 mm (3, 4) and 100 µm (5, 6).

Six images of the huge colonies.
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!

Place name: Wetland Seekamper Seewiesen in Schilksee (Kiel, Germany).
Latitude: 54.410447 Longitude: 10.159699

Stereomicroscope Olympus SZX16, camera Olympus OM-D M5 MKII.

© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
For permission to use of (high resolution) images please contact postmaster@protisten.de.

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Observations on Aphanizomenon flos-aquae

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