Description of Pseudanabaena sp. #2
Isolated from one intensive-monitoring site on Saguaro Lake (SS4)
bulletTrichome single, not forming a thallus
bulletTrichomes are dark green to blue-green in color
bulletCells distinctly placed from one another with conspicuous constrictions at crosswalls
bulletCylindrical cells are longer than broad (2-4 µm long)
bulletCells often barrel-shaped with rounded or oval ends
bulletTrichomes range from 1-3 µm in diameter
bulletSheath may be present
bulletFalse-branching may occur when sheath present
bulletNon-motile, except for hormogonia free from sheath

Pseudanabaena-Saguaro-1


  Pseudanabaena sp. #2
(Saguaro Lake MIB Producer)

(cell length 2-4 µm; width 1-3 µm)

Pseudanabaena-Saguaro-2



  Pseudanabaena sp. #2

(Saguaro Lake MIB Producer)

Pseudanabaena-Saguaro-3


  Pseudanabaena sp. #2

(Saguaro Lake MIB Producer)

Pseudanabaena-Saguaro-4




  Pseudanabaena sp. #2

(Saguaro Lake MIB Producer)