Organization Botanical Club of Canada

Dundee Naturalists' Association

Botanical Society of Edinburgh

Royal Society of Edinburgh (asst. librarian)

Queen's College, Kingston, Upper Canada

Botanical Society of Canada (founding member)

Dalhousie College and University, Halifax, Nova Scotia

Technological Institute of Halifax

Central Board of Agriculture of Nova Scotia

Journal of Agriculture / Nova Scotian Journal of Agriculture (editor)

Royal Society of Canada (charter member, president)

Nova Scotian Institute of Science