Any non-calcerous green encrusting algae

PHOTO CREDIT:https://theoutershores.com/bio/animals-plants-and-algae/marine-algae/green-algae-chlorophyta/

Other images:

Distinguishing features: Fleshy/spongey to the touch. Green looking in color. Grows synonymous to rocks, can be bumpy or flat.

Easily confused species and differentiation: UFAC

Extended Description: If you can’t delineate color, use UFAC.