Abstract A new distribution map is provided for Nectria radicicola Gerlach & Nilsson. Hosts: Various. Information is given on the geographical distribution in Africa, Kenya, Morocco, Nigeria, South Africa, Tanzania, Asia, India, Iran, Iraq, Japan, Pakistan, Malaysia, Sabah, Sri Lanka, Australasia & Oceania, Australia, New South Wales, Victoria, Western Australia, Tasmania, New Zealand, Solomon Islands, Western Samoa, Europe, Austria, Belgium, Britain & Northern Ireland, Channel Islands, Cyprus, Czechoslovakia, Denmark, Finland, France, Germany, Irish Republic, Italy, Netherlands, Norway, Poland, Sweden, USSR, North America, Canada, Alberta, British Columbia, Manitoba, Nova Scotia, Ontario, USA, Maryland, Michigan, North Carolina, New York, Oregon, Pacific Northwest, Virginia, Washington, Wisconsin, Central America & West Indies, Costa Rica, Guatemala, Honduras, Jamaica, Panama, Colombia.