Morphotype H
Oscillatoria koettlitzi

 

    Morph. Taxon Name Obs.Width Calyptra Granules DkRefr. Necridia Observed Description
8 H Oscillatoria koettlitzi 8-10 No Maybe Yes No Trichomes between 8-10 µm in width. Dense cells with a dark refractory surface and no apparent sheath. Terminal cells often capitate with no visible calyptra. Distinct constrictions at the cell walls. Necridia rare.

Click on any image below to enlarge. scalebar is 10 µm