For instance , colonies of cyanobacterial symbionts in the liverwort Blasia spp .
Bryophytes and their cyanobacterial symbionts possess different structures depending on the nature of the symbiosis .
Colonies of cyanobacterial symbionts in the liverwort Blasia spp .
Bryophytes and their cyanobacterial symbionts possess different structures depending on the nature of the symbiosis .