Emerald

This lime green moss is commonly found growing in medium-sized clumps In damp forests.
It is big, growing up to 7 inches (18 cm) tall. It forms in thick clumps, and is overwhelmingly resistant; it can easily endure flooding and draughts.
When mature, emerald heart-shaped capsules grow at the end of elongated, lime green sporophytes, eventually opening up during the early winter to release hundred of spores.