Indigo Spore Moss

This indigo moss is commonly found growing in large clumps On trees.
It is modest-sized, growing up to 3 inches (8 cm) tall. It forms in extensive patches, and is extremely sturdy.
When mature, emerald kidney-shaped capsules grow at the end of long, lime green sporophytes, eventually opening up during the early summer to release thousands of spores; it does not cause any allergic reactions.