Kingdom: Bacteria     Phyllum: Cyanobacteria     Class: Cyanophyceae Nostoc Cyanobacteria Among Leptogium gelatinosum. Microscope photograph of nostic chains in Collema below.

Photographs: August 2009 Gougane Barra Co. Cork, SW Ireland.

Microscope photograph

Above: Micro photo of Nostic chains in Collema tenax var. vulgare