unknown green leaf like structure

unknown green leaf like structure

Observation - unknown green leaf like structure. Description: Very small (about 0.5cm) in height. Growing on a tree trunk. Almost like a very tiny clover leaf unfolding, and a blue-green in colour. (sorry - not a very clear photo)

Very small (about 0.5cm) in height. Growing on a tree trunk. Almost like a very tiny clover leaf unfolding, and a blue-green in colour. (sorry - not a very clear photo)