Morphotype B
Oscillatoria subproboscieda

 

    Morph. Taxon Name Obs.Width Calyptra Granules DkRefr. Necridia Observed Description
2 B Oscillatoria subproboscieda 9-12 Yes Yes No Maybe Trichomes between 9-12 µm in width. Similar to morphotype A but wider and with more numerous granules. These granules may be gas vacuoles, providing protection from the high levels of ultraviolet light encountered in Antarctica

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