Morphotype I
Phormidium autumnale

 

    Morph. Taxon Name Obs.Width Calyptra Granules DkRefr. Necridia Observed Description
9 I Phormidium autumnale 4-6 Yes Yes No No Trichomes between 4-6 µm in width and often with a slight terminal hook. Variable position and quantity of granules. Terminal cell with a calyptra. Could be independent trichomes of Microcoleus vaginatus.

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