Walter is an avid experienced field botanist who focuses much of his botany explorations in Grey & Bruce Counties. He is a lifetime member of the Field Botanists of Ontario, a member of the Owen Sound Field Naturalists and the Hamilton Naturalists Club. Walter is the creator of the Ontario Wildflowers website as well as the Ontario Trees, Ontario Ferns and Ontario Grasses websites , the "go to" sites for those who are in the business of identifying wildflowers and other plants in the field. Official custodian of the Grey-Bruce Plant List, his botany explorations range from Newfoundland to Lake Superior and down into the Smokey Mountains. He is also a tracking and wilderness survival enthusiast.