It starts off with some of the lists of teams maintained by individuals and ends with a section on the available online lists of teams maintained by different morris organizations.
Participation is voluntary.
Morris Links is a compendium of all known morris links and Rich knows a lot of them. Arranged geographically by country, and further subdivided by county in England or state, province or region in other countries. Quite a good list and every bit as comprehensive as The WWW Virtual Library page. It goes a bit beyond it, in fact, in that it contains links to articles and websites that mention the morris. Mainly Morris Dancing has an excellent listing of UK and US sides.