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Porphyrosiphon (Cyanophyceae)

 

Porphyrosiphon sp.
Photograph from 'algaekey' posted online

 

 

Porphyrosiphon Notarisii.
Sketch from Smith 1950 posted online

Smith, G.M. 1950. The fresh-water algae of the United States. McGraw-Hill (p. 578)

 

Home / Cyanobacteria / Filaments / Unbranched / Untapered / No Heterocysts / Visible_sheath / Porphyrosiphon / Images