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Small patches of green slimy lichen with flat bluish-white apothecia (spore bearing structures) on damp tree trunks. These were seen growing along side Cartilage lichen (Ramalina farinaceae) as seen in pic 3.
Spotted on coastal banksia along the high tide mark- Snowy River estuary
The slimy thallus of this species is made up of cyanobacteria, which is the photobiont. Without the apothecia, this lichen can be mistaken for Nostoc where the photobiont is also cyanobacteria.
They formed small interesting black patches with blue dots, on the moist tree trunks.