Open water and low marsh vegetation. As the only undeveloped shoreline on Bass Lake, the wetland provides a valuable ecosystem in terms of water quality and wildlife habitat. The majority of St. Pierre wetland is covered with low marsh vegetation (cattail, sedge, etc.). Tree and shrub species found on the site include aspen (Populus tremuloides), willow (Salix sp.), silver maple (Acer saccharinum), and red-ozier dogwood (Cornus sericea). There are also several areas of open water in characteristic of a cattail marsh.