“Joyful” was Bruce Allen's experience working on Maine Mosses, a project born nearly 4 decades ago. This is the second and final part (find the first part here), with a large majority of species belonging to one of the largest moss groups in the world: the Hypnales. Thanks to Maine‘s moss diversity, this well illustrated guide will be helpful in much of northeastern North America. The quintessential guide if you are familiar with moss structure and identification procedures.